{"id":772,"date":"2026-06-10T17:39:07","date_gmt":"2026-06-10T17:39:07","guid":{"rendered":"https:\/\/www.ahosting.net\/blog\/?p=772"},"modified":"2026-06-10T19:51:28","modified_gmt":"2026-06-10T19:51:28","slug":"wordpress-hosting-uptime-2026","status":"publish","type":"post","link":"https:\/\/www.ahosting.net\/blog\/wordpress-hosting-uptime-2026\/","title":{"rendered":"WordPress Hosting Uptime in 2026: What Your 99.9% SLA Actually Delivers"},"content":{"rendered":"\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"WordPress hosting uptime in 2026: dedicated IP vs shared IP \u2014 which delivers better availability?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Specifically, dedicated IP hosting delivers meaningfully higher real-world availability than shared IP hosting, even when both advertise the same 99.9% SLA. A shared IP means your site's reachability depends on every other site sharing that address. If a neighbor is hit by a DDoS attack, rate-limited by a search engine, or flagged for spam, your site can go offline or become unreachable through no fault of your own. Dedicated IP hosting eliminates that dependency entirely \u2014 your site's uptime is determined only by your server's performance, not your neighbors'. At AHosting, every WordPress hosting plan includes a dedicated IP at no extra cost, making this protection standard rather than a premium add-on.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"AHosting WordPress hosting uptime vs managed WordPress hosting: what does the CloudLinux stack actually change?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Fundamentally, AHosting's CloudLinux CageFS architecture provides per-account resource isolation that most managed WordPress hosts charge a premium to replicate. CloudLinux Lightweight Virtual Environments (LVEs) assign a defined PHP worker pool and CPU allocation to each account. No other site on the server can consume your allocated workers, which prevents the PHP 503 errors that typically occur on unprotected shared hosting during traffic spikes. Managed WordPress hosts achieve similar isolation through containerization, but typically require migration to their proprietary platform and restrict which plugins and configurations you can use. AHosting provides CloudLinux isolation on standard cPanel infrastructure, giving you resource protection without locking you into a closed ecosystem.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What WordPress hosting uptime problems most commonly hurt online stores in 2026?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Notably, the most damaging WordPress hosting uptime problems for online stores in 2026 are PHP worker exhaustion during checkout traffic, database query timeouts on product catalog pages, and shared IP reputation blocks that briefly make the entire store unreachable. PHP worker exhaustion is particularly destructive for WooCommerce because checkout and cart pages cannot be served from page cache \u2014 every transaction requires a live PHP worker. When all workers are allocated during a traffic spike, new checkout requests queue and time out, producing 503 errors that SLAs typically exclude. Stores processing more than 50 concurrent checkouts per hour should verify their host provides per-account PHP worker isolation rather than a shared pool.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does AHosting's 2026 CloudLinux CageFS configuration prevent PHP worker exhaustion downtime?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Specifically, AHosting's CloudLinux CageFS implementation assigns each hosting account its own Lightweight Virtual Environment with a defined PHP-FPM worker pool. This means another account's traffic spike cannot exhaust the PHP workers allocated to your account. On unprotected shared hosting, all accounts share a global PHP worker pool \u2014 when any account's traffic spikes, the entire pool is consumed and every site on the server begins returning 503 errors. CageFS prevents this at the OS level, not through application-layer throttling. The per-account isolation is enforced by the kernel, making it immune to plugin misconfigurations or WordPress errors that might circumvent software-level protections.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"When does WordPress hosting uptime fall below 99.9% for a WooCommerce store processing 100+ orders per day?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Typically, WordPress hosting uptime falls below 99.9% for a WooCommerce store at 100+ daily orders when the hosting plan's PHP worker allocation cannot handle concurrent checkout sessions without queuing. A store processing 100 orders per day sees concentrated traffic during business hours \u2014 at peak times, this translates to 8 to 15 simultaneous checkout sessions. If your hosting plan allocates fewer PHP workers than your peak concurrent session count, requests queue and eventually time out. This produces 503 and 504 errors that reduce real-world availability well below the 99.9% SLA, because SLAs measure network ping availability rather than application-layer PHP response availability. See the PHP worker section of this guide for a full breakdown of how to calculate your minimum worker requirement.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"When should a WordPress membership site with 500+ concurrent logged-in users upgrade from AHosting shared to VPS hosting for uptime?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Generally, a WordPress membership site should upgrade from AHosting shared hosting to VPS hosting before reaching 200 concurrent logged-in sessions, with 500 concurrent users representing the clear threshold for dedicated server consideration. Logged-in users on a membership site cannot be served from full-page cache \u2014 every page load requires a live PHP worker to validate session state and render personalized content. At 500 concurrent logged-in users, you need a PHP-FPM configuration with at least 40 to 60 workers to maintain response times under 300ms. VPS hosting on AHosting provides configurable PHP-FPM pools where you can set pm.max_children directly, eliminating the fixed worker allocations of shared plans. The AHosting VPS plans include cPanel access, so you can tune PHP-FPM settings without leaving the control panel you already know.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference in real downtime minutes between 99.9%, 99.95%, and 99.99% wordpress hosting uptime SLAs per year?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Precisely, the difference is significant: 99.9% SLA permits 526 minutes (8.76 hours) of downtime per year; 99.95% SLA permits 263 minutes (4.38 hours); and 99.99% SLA permits just 53 minutes per year. That means upgrading from a 99.9% to a 99.99% plan reduces your contractually permitted annual downtime by 473 minutes \u2014 nearly 8 hours. However, these figures only cover SLA-defined network availability. PHP 503 errors from worker exhaustion, database timeouts, and bad-neighbor IP events are excluded from all three tiers. The real availability gap between hosting tiers is often larger than the SLA numbers suggest, because infrastructure quality \u2014 dedicated IP, CloudLinux isolation, NVMe storage \u2014 determines the frequency of those uncovered outage types.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the AHosting True Availability Score and how does it measure WordPress hosting uptime beyond the 99.9% SLA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Specifically, the AHosting True Availability Score is a composite metric that adds three availability layers the standard SLA omits: network uptime percentage (what the SLA covers), PHP worker saturation rate (how often the account's worker pool is fully utilized), and shared-IP incident exposure (for plans without dedicated IP). A host that scores 99.9% on SLA-defined network uptime may still deliver 97 to 98% true availability if its shared IP infrastructure generates monthly DDoS-related blocks and its PHP worker pool saturates during business hours. AHosting's WordPress plans earn a higher True Availability Score by combining the 99.9% network SLA with per-account CloudLinux LVE isolation and standard dedicated IP, eliminating the two most common causes of non-SLA downtime.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I check if my WordPress hosting uptime problems are caused by my server or my plugins?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Fortunately, distinguishing server-caused from plugin-caused WordPress hosting uptime problems follows a reliable diagnostic sequence. First, check your server error logs in cPanel under Metrics then Errors \u2014 PHP fatal errors and 503 patterns appear here before they show in WordPress. Second, install the Query Monitor plugin and load your site while logged in \u2014 it shows PHP execution time, database query count, and memory usage per page load, which reveals whether a plugin is causing timeouts. Third, use UptimeRobot to monitor your site externally from multiple locations \u2014 if all locations report the same outage simultaneously, the cause is server-side; if only some regions report it, the cause may be DNS or CDN. Finally, switching to a default WordPress theme temporarily isolates theme-caused PHP errors from plugin conflicts.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is a good uptime percentage for WordPress hosting?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Generally, 99.9% uptime is the acceptable minimum for any WordPress site with an audience, while 99.95% or higher is recommended for WooCommerce stores or sites where downtime directly affects revenue. At 99.9%, your host is permitted to be unavailable for up to 8 hours and 45 minutes per year \u2014 roughly equivalent to one extended server maintenance window or two to three smaller incidents. For a blog or portfolio, this risk is manageable. For an e-commerce site or membership platform, the hidden cost is concentrated downtime during peak shopping hours, which may represent a disproportionate share of your monthly revenue. Review the full downtime comparison table in this post to calculate the real-world impact for your specific revenue level.\"\n      }\n    }\n  ]\n}\n<\/script>\n\n\n<div class=\"wp-block-aioseo-table-of-contents\"><ul><li><a class=\"aioseo-toc-item\" href=\"#why-uptime-guarantees-mislead\">Why WordPress Hosting Uptime Guarantees Don&#039;t Mean What You Think<\/a><ul><li><a class=\"aioseo-toc-item\" href=\"#uptime-network-vs-application\">WordPress Hosting Uptime: Network vs. Application Layer<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#sla-exclusion-clauses\">The SLA Exclusion Clauses Every Contract Uses<\/a><\/li><\/ul><\/li><li><a class=\"aioseo-toc-item\" href=\"#uptime-math\">WordPress Hosting Uptime Math: What Each SLA Tier Really Costs<\/a><ul><li><a class=\"aioseo-toc-item\" href=\"#uptime-sla-tiers-compared\">WordPress Hosting Uptime SLA Tiers: Annual Downtime Compared<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#woocommerce-downtime-factor\">The WooCommerce Factor: How E-Commerce Multiplies Downtime Loss<\/a><\/li><\/ul><\/li><li><a class=\"aioseo-toc-item\" href=\"#uptime-threats-sla-wont-cover\">Four Uptime Threats Your Hosting SLA Won&#039;t Cover<\/a><ul><li><a class=\"aioseo-toc-item\" href=\"#php-worker-exhaustion\">PHP Worker Exhaustion: How Shared Hosting Caps Your WordPress Uptime<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#shared-ip-bad-neighbor\">The Shared IP Bad-Neighbor Effect on Availability<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#database-query-timeouts\">Database Query Timeouts Under Concurrent Load<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#dns-ssl-gaps\">DNS Propagation Windows and SSL Expiry Gaps<\/a><\/li><\/ul><\/li><li><a class=\"aioseo-toc-item\" href=\"#ahosting-uptime-infrastructure\">How AHosting&#039;s Infrastructure Addresses Each Uptime Layer<\/a><ul><li><a class=\"aioseo-toc-item\" href=\"#dedicated-ip-standard\">Dedicated IP as Standard: Eliminating Shared-IP Downtime<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#cloudlinux-cagefs-isolation\">CloudLinux CageFS: Per-Account Isolation for Consistent Performance<\/a><\/li><\/ul><\/li><li><a class=\"aioseo-toc-item\" href=\"#verify-uptime\">Verifying WordPress Hosting Uptime: The Practical Monitoring Approach<\/a><ul><li><a class=\"aioseo-toc-item\" href=\"#uptimerobot-monitoring\">Independent Uptime Monitoring with UptimeRobot<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#sla-fine-print\">Five SLA Fine-Print Clauses That Determine What 99.9% Actually Means<\/a><\/li><\/ul><\/li><li><a class=\"aioseo-toc-item\" href=\"#faq-wordpress-hosting-uptime\">Frequently Asked Questions: WordPress Hosting Uptime<\/a><ul><li><a class=\"aioseo-toc-item\" href=\"#faq-dedicated-vs-shared-uptime\">WordPress hosting uptime in 2026: dedicated IP vs shared IP \u2014 which delivers better availability?<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#faq-ahosting-vs-managed\">AHosting WordPress hosting uptime vs managed WordPress hosting: what does the CloudLinux stack actually change?<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#faq-uptime-problems-2026\">What WordPress hosting uptime problems most commonly hurt online stores in 2026?<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#faq-ahosting-cloudlinux-2026\">How does AHosting&#039;s 2026 CloudLinux CageFS configuration prevent PHP worker exhaustion downtime?<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#faq-woocommerce-100-orders\">When does WordPress hosting uptime fall below 99.9% for a WooCommerce store processing 100+ orders per day?<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#faq-membership-500-users\">When should a WordPress membership site with 500+ concurrent logged-in users upgrade from AHosting shared to VPS hosting for uptime?<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#faq-sla-tier-minutes\">What is the difference in real downtime minutes between 99.9%, 99.95%, and 99.99% wordpress hosting uptime SLAs per year?<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#faq-true-availability-score\">What is the AHosting True Availability Score and how does it measure WordPress hosting uptime beyond the 99.9% SLA?<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#faq-diagnose-uptime-problem\">How do I check if my WordPress hosting uptime problems are caused by my server or my plugins?<\/a><\/li><li><a class=\"aioseo-toc-item\" href=\"#faq-good-uptime-percentage\">What is a good uptime percentage for WordPress hosting?<\/a><\/li><\/ul><\/li><\/ul><\/div>\n\n\n<div class=\"ah-tldr\">\n  <span class=\"ah-tldr-badge\">TL;DR<\/span>\n  <p>A 99.9% wordpress hosting uptime SLA permits up to 8 hours and 45 minutes of downtime per year \u2014 but PHP worker exhaustion and shared-IP events take WordPress sites offline without violating a single SLA term.<\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.ahosting.net\/blog\/wp-content\/uploads\/2026\/06\/Why_99.m4a\"><\/audio><figcaption class=\"wp-element-caption\">Listen: Complete audio guide to WordPress hosting uptime SLAs, PHP worker exhaustion, and infrastructure-level availability. By Matt Chrust, Director of Business Development, AHosting.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Every hosting company advertises WordPress hosting uptime as a headline metric \u2014 99.9% appears on more hosting sales pages than any other single number. However, the gap between what that percentage promises and what your WordPress site actually experiences in 2026 is wider than most site owners realize. The 99.9% SLA covers your server&#8217;s ability to respond to a network ping. It does not cover the PHP 503 errors that appear when your site&#8217;s worker pool is exhausted, the timeout errors when a noisy neighbor&#8217;s traffic spike overwhelms a shared database server, or the complete unavailability that happens when a DDoS attack targeting another site on your shared IP address pulls you offline along with it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding this gap matters more in 2026 than in any previous year. According to <a href=\"https:\/\/wordpress.org\/about\/requirements\/\" target=\"_blank\" rel=\"noopener\">WordPress server requirements<\/a>, the minimum recommended environment now includes PHP 8.1 or higher and MariaDB 10.6 or MySQL 8.0. Higher PHP versions mean more complex execution paths, larger memory footprints per request, and greater sensitivity to the PHP worker allocation decisions your host makes. Furthermore, Google&#8217;s Core Web Vitals framework directly penalizes intermittent slow responses \u2014 a series of 503 errors detected by Googlebot during a crawl can suppress your rankings for weeks, adding an SEO cost to what might otherwise seem like a minor technical inconvenience.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide breaks down the real mechanics of wordpress hosting uptime: the math behind SLA tiers, the four infrastructure variables no contract covers, how to evaluate a host&#8217;s actual stack against its advertised numbers, and the independent monitoring setup that tells you the truth about your site&#8217;s availability before you commit to a provider.<\/p>\n\n\n\n<h2 id=\"why-uptime-guarantees-mislead\" class=\"wp-block-heading\">Why WordPress Hosting Uptime Guarantees Don&#8217;t Mean What You Think<\/h2>\n\n\n\n<h3 id=\"uptime-network-vs-application\" class=\"wp-block-heading\">WordPress Hosting Uptime: Network vs. Application Layer<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">There are two distinct kinds of uptime at play for every WordPress site. Network uptime measures whether the server&#8217;s network interface returns a valid TCP response to an external ping. Application uptime measures whether a visitor loading your WordPress site receives a complete, rendered HTML page. Hosting SLAs measure only the first kind. Your site can be &#8220;up&#8221; at the network level and simultaneously serve nothing but white screens and 503 errors to every visitor \u2014 and your host is not in violation of a single contractual term.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The split happens at the PHP layer. When a visitor loads a WordPress page, the web server (Apache or LiteSpeed) hands the request to PHP-FPM for processing. PHP-FPM runs a pool of worker processes \u2014 each worker handles one uncached request at a time. If all workers in the pool are occupied, new requests wait in a queue. If the queue fills before a worker becomes available, the server returns a 503 Service Unavailable error. From a network monitoring perspective, the server responded \u2014 it returned a valid HTTP status code. From the visitor&#8217;s perspective, the site is completely down. From the SLA&#8217;s perspective, nothing happened.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Additionally, database query timeouts produce 504 errors through the same mechanism. WordPress generates between 40 and 80 database queries per page load on a standard installation \u2014 plugin-heavy sites routinely exceed 150. On shared database servers, those queries compete with every other site on the server. A traffic spike on one account can consume database connection capacity and cause timeouts on every account sharing that database server. The web server returned a response (a 504 timeout), so the SLA is technically satisfied.<\/p>\n\n\n\n<h3 id=\"sla-exclusion-clauses\" class=\"wp-block-heading\">The SLA Exclusion Clauses Every Contract Uses<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Standard hosting SLAs exclude several categories of downtime that represent the most common real-world causes of site unavailability. Scheduled maintenance windows are typically excluded from SLA calculations entirely, often with a provision allowing up to 4 hours of planned downtime per month. Force majeure clauses remove liability for network infrastructure failures outside the host&#8217;s direct control, including upstream provider outages and backbone routing issues. Most critically, application-layer failures \u2014 PHP errors, database connection failures, plugin conflicts causing fatal errors \u2014 are classified as customer-environment issues and excluded from SLA coverage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consequently, the effective availability guarantee of a 99.9% SLA may be considerably lower in practice. A host that experiences two hours of PHP worker saturation per month, one hour of database contention, and occasional shared-IP blocks from DDoS attacks targeting neighbors can deliver genuine end-user availability of 97 to 98% while maintaining full technical compliance with a 99.9% SLA. None of those events showed up as network-level failures. None of them triggered a compensation claim.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"WordPress Hosting Uptime 2026: What 99.9% SLA Actually Means\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/9GmfEz0JRA0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 id=\"uptime-math\" class=\"wp-block-heading\">WordPress Hosting Uptime Math: What Each SLA Tier Really Costs<\/h2>\n\n\n\n<h3 id=\"uptime-sla-tiers-compared\" class=\"wp-block-heading\">WordPress Hosting Uptime SLA Tiers: Annual Downtime Compared<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The raw math of uptime percentages reveals why the difference between SLA tiers matters more than it appears. A 99.9% SLA sounds very close to 100%. In annual hours, the gap is 8.76 hours of permitted downtime \u2014 roughly the equivalent of an entire business day your site can be offline before your host owes you any compensation. The table below uses a year of 8,760 hours to show what each tier actually permits.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>SLA Tier<\/th><th>Annual Downtime Permitted<\/th><th>Monthly Downtime Permitted<\/th><th>Typical Plan Type<\/th><\/tr><\/thead><tbody><tr><td>99.0%<\/td><td>87.6 hours<\/td><td>7.3 hours<\/td><td>Budget shared hosting<\/td><\/tr><tr><td>99.5%<\/td><td>43.8 hours<\/td><td>3.65 hours<\/td><td>Standard shared hosting<\/td><\/tr><tr><td><strong>99.9%<\/strong><\/td><td><strong>8.76 hours<\/strong><\/td><td><strong>43.8 minutes<\/strong><\/td><td><strong>Most shared and VPS plans<\/strong><\/td><\/tr><tr><td>99.95%<\/td><td>4.38 hours<\/td><td>21.9 minutes<\/td><td>Premium VPS<\/td><\/tr><tr><td>99.99%<\/td><td>52.6 minutes<\/td><td>4.38 minutes<\/td><td>Dedicated server<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore, the critical insight is not just the absolute downtime permitted \u2014 it is what category of hosting infrastructure each tier typically represents. A 99.99% SLA is almost exclusively associated with dedicated server infrastructure, where a single tenant controls all server resources and there are no shared PHP worker pools, no shared databases, and no shared IP addresses generating collateral damage. The infrastructure decisions that produce 99.99% reliability are also the decisions that eliminate the uncovered SLA vulnerabilities described in the next section.<\/p>\n\n\n\n<h3 id=\"woocommerce-downtime-factor\" class=\"wp-block-heading\">The WooCommerce Factor: How E-Commerce Multiplies Downtime Loss<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For WooCommerce stores, the downtime cost calculation requires a different model than for brochure sites. A brochure site primarily serves cached HTML pages \u2014 most page requests never touch PHP workers or the database because a cached version is served from memory or disk. WooCommerce checkout, cart, account, and product variation pages cannot be cached this way. Every WooCommerce transaction involves multiple PHP workers over the course of a checkout: one to render the product page, one to update the cart, one to load checkout, one to process the order. Downtime during a traffic spike means lost orders in real time, not just lost pageviews.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Moreover, WooCommerce stores face a concentrated downtime risk pattern. Traffic spikes from marketing campaigns, promotional emails, or social media posts arrive suddenly and saturate PHP worker pools faster than gradual organic traffic growth. A flash sale email sent to 10,000 subscribers at 10 AM can generate 500 concurrent store visitors within minutes \u2014 a load pattern that exceeds the PHP worker capacity of most shared hosting plans regardless of their SLA tier. Shared hosting plans designed for average traffic levels cannot handle this load pattern, and the resulting 503 errors are not covered by any SLA term.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Additionally, payment processor webhook timeouts during checkout create a secondary downtime category. If your PHP workers are saturated when a payment processor sends a webhook to confirm a transaction, the webhook request times out and the order is left in a pending state requiring manual resolution. This does not appear as site downtime in any monitoring tool, but it creates hours of manual administrative work and potential customer support escalations after every saturation event.<\/p>\n\n\n\n<div role=\"img\" aria-label=\"WordPress Hosting Uptime SLA Tiers: Annual Downtime Comparison Infographic by AHosting\">\n<svg viewBox=\"0 0 720 380\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:100%;max-width:720px;display:block;margin:32px auto;\">\n  <title>WordPress Hosting Uptime SLA Tiers \u2014 Annual Downtime Comparison<\/title>\n  <desc>Bar chart comparing annual permitted downtime across SLA tiers from 99.0% to 99.99%, showing how dedicated server plans dramatically reduce contractual downtime allowances.<\/desc>\n  <defs>\n    <linearGradient id=\"ahbg\" x1=\"0%\" y1=\"0%\" x2=\"0%\" y2=\"100%\">\n      <stop offset=\"0%\" style=\"stop-color:#0f172a;stop-opacity:1\"\/>\n      <stop offset=\"100%\" style=\"stop-color:#1e293b;stop-opacity:1\"\/>\n    <\/linearGradient>\n  <\/defs>\n  <!-- Background -->\n  <rect width=\"720\" height=\"380\" fill=\"url(#ahbg)\" rx=\"10\"\/>\n  <!-- Left accent bar -->\n  <rect x=\"0\" y=\"0\" width=\"5\" height=\"380\" fill=\"#2563eb\" rx=\"2\"\/>\n  <!-- Title -->\n  <text x=\"36\" y=\"34\" font-family=\"Arial, sans-serif\" font-size=\"14\" font-weight=\"700\" fill=\"#ffffff\">WordPress Hosting Uptime: Annual Downtime by SLA Tier<\/text>\n  <text x=\"36\" y=\"52\" font-family=\"Arial, sans-serif\" font-size=\"11\" fill=\"#94a3b8\">How many hours per year each SLA tier permits your site to be offline<\/text>\n  <!-- Column headers -->\n  <text x=\"36\" y=\"80\" font-family=\"Arial, sans-serif\" font-size=\"10\" font-weight=\"700\" fill=\"#94a3b8\" text-transform=\"uppercase\">SLA TIER<\/text>\n  <text x=\"160\" y=\"80\" font-family=\"Arial, sans-serif\" font-size=\"10\" font-weight=\"700\" fill=\"#94a3b8\">HOURS\/YEAR<\/text>\n  <text x=\"310\" y=\"80\" font-family=\"Arial, sans-serif\" font-size=\"10\" font-weight=\"700\" fill=\"#94a3b8\">BAR (proportional)<\/text>\n  <text x=\"590\" y=\"80\" font-family=\"Arial, sans-serif\" font-size=\"10\" font-weight=\"700\" fill=\"#94a3b8\">PLAN TYPE<\/text>\n  <!-- Divider -->\n  <line x1=\"36\" y1=\"88\" x2=\"698\" y2=\"88\" stroke=\"#334155\" stroke-width=\"1\"\/>\n  <!-- Row 1: 99.0% -->\n  <text x=\"36\" y=\"112\" font-family=\"Arial, sans-serif\" font-size=\"13\" font-weight=\"700\" fill=\"#f87171\">99.0%<\/text>\n  <text x=\"160\" y=\"112\" font-family=\"Arial, sans-serif\" font-size=\"13\" fill=\"#ffffff\">87.6 hrs<\/text>\n  <rect x=\"310\" y=\"100\" width=\"240\" height=\"16\" fill=\"#ef4444\" rx=\"3\"\/>\n  <text x=\"558\" y=\"112\" font-family=\"Arial, sans-serif\" font-size=\"11\" fill=\"#94a3b8\">Budget shared<\/text>\n  <!-- Row 2: 99.5% -->\n  <text x=\"36\" y=\"142\" font-family=\"Arial, sans-serif\" font-size=\"13\" font-weight=\"700\" fill=\"#fb923c\">99.5%<\/text>\n  <text x=\"160\" y=\"142\" font-family=\"Arial, sans-serif\" font-size=\"13\" fill=\"#ffffff\">43.8 hrs<\/text>\n  <rect x=\"310\" y=\"130\" width=\"120\" height=\"16\" fill=\"#f97316\" rx=\"3\"\/>\n  <text x=\"558\" y=\"142\" font-family=\"Arial, sans-serif\" font-size=\"11\" fill=\"#94a3b8\">Standard shared<\/text>\n  <!-- Row 3: 99.9% (highlighted) -->\n  <rect x=\"28\" y=\"152\" width=\"672\" height=\"28\" fill=\"#1e3a5f\" rx=\"4\"\/>\n  <text x=\"36\" y=\"171\" font-family=\"Arial, sans-serif\" font-size=\"13\" font-weight=\"700\" fill=\"#fbbf24\">99.9%<\/text>\n  <text x=\"160\" y=\"171\" font-family=\"Arial, sans-serif\" font-size=\"13\" font-weight=\"700\" fill=\"#fbbf24\">8.76 hrs<\/text>\n  <rect x=\"310\" y=\"159\" width=\"24\" height=\"16\" fill=\"#eab308\" rx=\"3\"\/>\n  <text x=\"338\" y=\"171\" font-family=\"Arial, sans-serif\" font-size=\"10\" fill=\"#fbbf24\">Most hosting plans advertise this<\/text>\n  <text x=\"558\" y=\"171\" font-family=\"Arial, sans-serif\" font-size=\"11\" fill=\"#94a3b8\">Shared \/ VPS<\/text>\n  <!-- Row 4: 99.95% -->\n  <text x=\"36\" y=\"204\" font-family=\"Arial, sans-serif\" font-size=\"13\" font-weight=\"700\" fill=\"#34d399\">99.95%<\/text>\n  <text x=\"160\" y=\"204\" font-family=\"Arial, sans-serif\" font-size=\"13\" fill=\"#ffffff\">4.38 hrs<\/text>\n  <rect x=\"310\" y=\"192\" width=\"12\" height=\"16\" fill=\"#10b981\" rx=\"3\"\/>\n  <text x=\"558\" y=\"204\" font-family=\"Arial, sans-serif\" font-size=\"11\" fill=\"#94a3b8\">Premium VPS<\/text>\n  <!-- Row 5: 99.99% -->\n  <text x=\"36\" y=\"234\" font-family=\"Arial, sans-serif\" font-size=\"13\" font-weight=\"700\" fill=\"#60a5fa\">99.99%<\/text>\n  <text x=\"160\" y=\"234\" font-family=\"Arial, sans-serif\" font-size=\"13\" fill=\"#ffffff\">52.6 min<\/text>\n  <rect x=\"310\" y=\"222\" width=\"4\" height=\"16\" fill=\"#2563eb\" rx=\"2\"\/>\n  <text x=\"320\" y=\"234\" font-family=\"Arial, sans-serif\" font-size=\"11\" fill=\"#60a5fa\">Dedicated server infrastructure<\/text>\n  <text x=\"558\" y=\"234\" font-family=\"Arial, sans-serif\" font-size=\"11\" fill=\"#94a3b8\">Dedicated server<\/text>\n  <!-- Divider -->\n  <line x1=\"36\" y1=\"248\" x2=\"698\" y2=\"248\" stroke=\"#334155\" stroke-width=\"1\"\/>\n  <!-- Key insight box -->\n  <rect x=\"36\" y=\"260\" width=\"648\" height=\"44\" fill=\"#1e293b\" rx=\"6\" stroke=\"#334155\" stroke-width=\"1\"\/>\n  <text x=\"52\" y=\"278\" font-family=\"Arial, sans-serif\" font-size=\"11\" fill=\"#94a3b8\">Note: These figures cover SLA-defined network downtime only. PHP worker exhaustion, shared-IP DDoS events,<\/text>\n  <text x=\"52\" y=\"294\" font-family=\"Arial, sans-serif\" font-size=\"11\" fill=\"#94a3b8\">and database timeouts reduce real-world availability further and are excluded from all SLA tiers above.<\/text>\n  <!-- Footer -->\n  <text x=\"36\" y=\"365\" font-family=\"Arial, sans-serif\" font-size=\"10\" fill=\"#64748b\">AHosting.net | Est. 2002 | ahosting.net<\/text>\n  <text x=\"660\" y=\"365\" font-family=\"Arial, sans-serif\" font-size=\"10\" fill=\"#64748b\" text-anchor=\"end\">AHosting<\/text>\n<\/svg>\n<\/div>\n\n\n\n<h2 id=\"uptime-threats-sla-wont-cover\" class=\"wp-block-heading\">Four Uptime Threats Your Hosting SLA Won&#8217;t Cover<\/h2>\n\n\n\n<h3 id=\"php-worker-exhaustion\" class=\"wp-block-heading\">PHP Worker Exhaustion: How Shared Hosting Caps Your WordPress Uptime<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PHP worker exhaustion is the most frequently misunderstood cause of WordPress hosting uptime degradation on shared plans. PHP-FPM manages a pool of background processes, each of which can handle exactly one uncached request at a time. When all processes in the pool are occupied, new requests wait. Standard shared hosting plans allocate a fixed number of PHP workers to each account \u2014 typically 4 to 8 for entry-level plans. When your site receives more than that many simultaneous dynamic requests, the excess requests produce 503 errors while waiting for a worker to become available.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Notably, the calculation of required PHP workers is not based on your total daily traffic \u2014 it is based on your peak concurrent dynamic request load. A site receiving 1,000 daily visitors mostly through search traffic may peak at only 3 to 5 concurrent requests during normal operation and never saturate a 4-worker pool. The same site hit by a Reddit thread or featured in a newsletter may receive 100 concurrent visitors in a 5-minute window, saturating any fixed worker pool immediately. Without per-account worker isolation, that spike also affects every other site sharing your PHP-FPM pool.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Furthermore, WordPress admin operations consume PHP workers in addition to frontend requests. Automated tasks \u2014 WP-Cron, plugin update checks, search index updates, backup processes \u2014 run as background PHP processes. If your cron jobs run at peak traffic hours, they reduce the workers available for frontend requests and lower the traffic threshold at which your site begins returning 503 errors. Properly scheduling automated tasks during off-peak hours and understanding your host&#8217;s worker allocation model is critical for maintaining consistent uptime on shared hosting. See the <a href=\"https:\/\/www.ahosting.net\/blog\/wordpress-hosting-security-2026-server-level-protection\/\" target=\"_blank\" rel=\"noopener\">WordPress hosting security guide<\/a> for details on how CloudLinux CageFS isolation affects resource allocation at the OS level.<\/p>\n\n\n\n<h3 id=\"shared-ip-bad-neighbor\" class=\"wp-block-heading\">The Shared IP Bad-Neighbor Effect on Availability<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Shared IP hosting means your WordPress site and potentially dozens of other sites all respond to requests from the same IP address. This creates a direct dependency between your site&#8217;s availability and every other site sharing your IP. Three specific scenarios cause collateral damage to sites on a shared IP. The first is a DDoS attack targeting a neighboring site \u2014 firewall rules applied to the IP address to block the attack traffic also block legitimate requests to your site. The second is email spam blacklisting \u2014 if a neighbor sends spam through the shared IP, major ISPs and email providers may block all traffic from that IP, making your site unreachable from those networks. The third is search engine IP penalties \u2014 if a neighbor engages in behavior that triggers a Google spam action, all sites on the shared IP may experience reduced crawl rates or temporary de-indexing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Specifically, DDoS-induced IP blocks are the most acute availability threat on shared IP infrastructure. Modern DDoS mitigation typically involves upstream traffic filtering at the network edge. When a firewall or CDN provider determines that traffic to a specific IP is malicious, all traffic to that IP is filtered \u2014 including traffic to your site that shares the address. Mitigation typically takes 15 minutes to several hours depending on the hosting provider&#8217;s incident response procedures. During that window, your site is completely unreachable, and no SLA clause covers it because the block originates from a third-party network, not from the hosting provider&#8217;s infrastructure. Your site continues to show green in any server-side uptime monitor while every visitor receives a connection timeout.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Accordingly, the correlation between dedicated IP hosting and real-world uptime is direct and measurable. The post <a href=\"https:\/\/www.ahosting.net\/blog\/dedicated-ip-wordpress-hosting-2026\/\" target=\"_blank\" rel=\"noopener\" title=\"\">on how WordPress hosting IP addresses affect AI search rankings<\/a> documents the broader implications of IP isolation, including how dedicated IP affects how AI crawlers access and cite your content.<\/p>\n\n\n\n<h3 id=\"database-query-timeouts\" class=\"wp-block-heading\">Database Query Timeouts Under Concurrent Load<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress generates 40 to 80 database queries per page load on standard installations, with complex sites using page builders, WooCommerce, and multiple plugins regularly exceeding 150 queries per load. On a shared database server, those queries execute in competition with queries from every other site using the same MySQL or MariaDB instance. The <a href=\"https:\/\/mariadb.com\/docs\/server\/server-management\/variables-and-modes\/server-system-variables\" target=\"_blank\" rel=\"noopener\" title=\"\">MariaDB system variables<\/a> that govern connection limits and query timeouts are configured server-wide, not per account \u2014 meaning one account&#8217;s burst of complex queries can consume connection slots needed by other accounts. When connections run out, WordPress receives a &#8220;Too many connections&#8221; error and renders a database connection failure page to visitors.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consequently, database-layer availability is one of the most difficult hosting quality metrics to evaluate before signing a contract. Hosting providers configure their database servers at a level of detail that is rarely disclosed in public marketing materials. Query timeout settings, max connection limits, InnoDB buffer pool size, and the number of accounts sharing each database server instance all affect how your WordPress site performs under concurrent load. The most reliable proxy for database infrastructure quality is the hosting type: shared plans always share database servers; VPS and dedicated server hosting provide dedicated database resources or at least guaranteed connection allocations.<\/p>\n\n\n\n<h3 id=\"dns-ssl-gaps\" class=\"wp-block-heading\">DNS Propagation Windows and SSL Expiry Gaps<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Two additional availability gaps fall entirely outside SLA coverage. DNS propagation gaps occur whenever your site&#8217;s DNS records change \u2014 including during host migrations, nameserver updates, or CDN configuration changes. During propagation, some visitors resolve your domain to the old IP address and others to the new one, creating a split-brain scenario where your site may appear available from some networks and completely unreachable from others. This window typically lasts 24 to 72 hours depending on your TTL settings, and it is never covered by any hosting SLA because the hosting provider&#8217;s infrastructure is functioning correctly throughout. Properly pre-reducing your DNS TTL to 300 seconds (5 minutes) at least 48 hours before any migration is the only technical mitigation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SSL certificate expiry is a point-of-failure that is both entirely preventable and surprisingly common. When an SSL certificate expires, every visitor&#8217;s browser displays a security warning, effectively making the site unusable. Let&#8217;s Encrypt certificates expire every 90 days, requiring automated renewal. Automation failures \u2014 caused by domain validation errors, DNS changes that break the ACME challenge, or hosting configuration changes \u2014 result in expired certificates and complete practical unavailability of the site despite the server being fully operational. Hosting providers that manage SSL certificates automatically as part of the hosting platform and actively monitor renewal status provide a meaningfully higher level of true availability than those that leave certificate management to the site owner.<\/p>\n\n\n\n<h2 id=\"ahosting-uptime-infrastructure\" class=\"wp-block-heading\">How AHosting&#8217;s Infrastructure Addresses Each Uptime Layer<\/h2>\n\n\n\n<h3 id=\"dedicated-ip-standard\" class=\"wp-block-heading\">Dedicated IP as Standard: Eliminating Shared-IP Downtime<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Every AHosting WordPress hosting plan includes a dedicated IP address at no additional cost \u2014 a feature that competing shared hosting providers charge $2 to $5 per month as an add-on. The dedicated IP means your site&#8217;s reachability depends only on your server&#8217;s performance, not on the behavior of other sites. DDoS attacks against neighboring accounts, email blacklisting events, and search engine IP penalties are all eliminated as availability risks. Your site has its own IP address, its own SSL certificate validation path, and its own network identity. No neighbor can pull it offline.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Furthermore, dedicated IP hosting provides a more stable crawl environment for search engines and AI crawlers. Googlebot, GPTBot, ClaudeBot, and PerplexityBot all resolve your domain to an IP address before making a connection. When your IP is shared with sites that generate spam or security incidents, crawler access rates for your site may drop as a collateral effect of upstream rate-limiting applied to the shared IP. A dedicated IP ensures your crawl allocation is independent and unaffected by your neighbors&#8217; behavior. This is particularly important for WordPress sites prioritizing AI search visibility, where consistent crawler access directly affects how often your content appears in AI-generated answers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AHosting has operated dedicated IP infrastructure since 2002, through the introduction of IPv6, the growth of content delivery networks, the rise of AI crawler traffic, and every major DDoS mitigation evolution in the industry. That 22-year track record represents a depth of operational experience that manifests in infrastructure decisions \u2014 like making dedicated IP standard rather than optional \u2014 that newer providers may not fully appreciate.<\/p>\n\n\n\n<h3 id=\"cloudlinux-cagefs-isolation\" class=\"wp-block-heading\">CloudLinux CageFS: Per-Account Isolation for Consistent Performance<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">AHosting&#8217;s hosting infrastructure runs CloudLinux OS with CageFS on all shared plans, providing Lightweight Virtual Environment (LVE) isolation that assigns per-account resource limits at the kernel level. Each account receives its own PHP-FPM worker pool, CPU allocation, and memory limits. When another account on the same server experiences a traffic spike, database storm, or runaway PHP process, it cannot consume resources from your account&#8217;s LVE allocation. Your WordPress site&#8217;s PHP workers remain available because they are isolated from the rest of the server population by the kernel scheduler, not by application-level throttling.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Specifically, CageFS provides the per-account isolation that turns a 99.9% network SLA into a meaningfully higher real-world availability figure. Without CageFS, shared hosting uptime degrades whenever any account on the server experiences unusual load. With CageFS, your account&#8217;s PHP workers are reserved for your traffic regardless of what other accounts are doing. The <a href=\"https:\/\/cloudlinux.com\/features\/\" target=\"_blank\" rel=\"noopener\" title=\"\">CloudLinux LVE documentation<\/a> details how per-account CPU, IO, memory, and process limits are enforced at the kernel level, independent of application-layer configurations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For WordPress sites needing resources beyond what shared hosting LVE allocations provide, upgrading to <a href=\"\/vps-hosting.html\" target=\"_blank\" rel=\"noopener\" title=\"\">AHosting VPS hosting<\/a> removes the fixed worker allocation entirely. On VPS plans, you configure PHP-FPM pm.max_children directly in your own PHP-FPM pool configuration via cPanel&#8217;s MultiPHP Manager. Your site&#8217;s PHP worker capacity is limited only by the VPS RAM and CPU allocation, not by a shared-server resource budget. For high-traffic sites, membership platforms, or WooCommerce stores approaching 50+ concurrent checkout sessions, VPS hosting with configurable PHP worker pools is the right architectural choice for consistent uptime.<\/p>\n\n\n\n<div class=\"ahuptm-wrap\" id=\"ahuptm-wrap\">\n  <style>\n    .ahuptm-wrap {\n      background: #f8fafc;\n      border: 1px solid #e2e8f0;\n      border-radius: 12px;\n      padding: 28px 32px 24px;\n      margin: 32px 0;\n      font-family: inherit;\n    }\n    .ahuptm-hd { margin-bottom: 24px; }\n    .ahuptm-title {\n      font-size: 1.1rem;\n      font-weight: 700;\n      color: #1e293b;\n      margin: 0 0 6px;\n    }\n    .ahuptm-sub {\n      font-size: 0.875rem;\n      color: #475569;\n      margin: 0;\n    }\n    .ahuptm-fields { display: flex; flex-direction: column; gap: 16px; }\n    .ahuptm-field { display: flex; flex-direction: column; gap: 6px; }\n    .ahuptm-field label {\n      font-size: 0.875rem;\n      font-weight: 600;\n      color: #334155;\n    }\n    .ahuptm-field input,\n    .ahuptm-field select {\n      padding: 10px 14px;\n      border: 1px solid #cbd5e1;\n      border-radius: 6px;\n      font-size: 0.95rem;\n      color: #1e293b;\n      background: #fff;\n      max-width: 360px;\n    }\n    .ahuptm-field input:focus,\n    .ahuptm-field select:focus {\n      outline: 2px solid #2563eb;\n      border-color: #2563eb;\n    }\n    .ahuptm-btn {\n      background: #2563eb;\n      color: #fff;\n      border: none;\n      padding: 12px 24px;\n      border-radius: 6px;\n      font-size: 0.95rem;\n      font-weight: 600;\n      cursor: pointer;\n      align-self: flex-start;\n      margin-top: 4px;\n    }\n    .ahuptm-btn:hover { background: #1d4ed8; }\n    .ahuptm-result {\n      margin-top: 24px;\n      padding-top: 24px;\n      border-top: 1px solid #e2e8f0;\n    }\n    .ahuptm-result-grid {\n      display: grid;\n      grid-template-columns: repeat(3, 1fr);\n      gap: 16px;\n      margin-bottom: 16px;\n    }\n    .ahuptm-stat {\n      background: #fff;\n      border: 1px solid #e2e8f0;\n      border-radius: 8px;\n      padding: 14px 16px;\n      display: flex;\n      flex-direction: column;\n      gap: 4px;\n    }\n    .ahuptm-stat-val {\n      font-size: 1.3rem;\n      font-weight: 700;\n      color: #2563eb;\n    }\n    .ahuptm-stat-lbl {\n      font-size: 0.8rem;\n      color: #475569;\n    }\n    .ahuptm-rec {\n      background: #eff6ff;\n      border-left: 4px solid #2563eb;\n      padding: 12px 16px;\n      border-radius: 0 6px 6px 0;\n      font-size: 0.9rem;\n      color: #1e293b;\n      line-height: 1.6;\n      margin-bottom: 16px;\n    }\n    .ahuptm-cta-btn {\n      background: #2563eb;\n      color: #fff !important;\n      padding: 12px 28px;\n      border-radius: 6px;\n      font-weight: 600;\n      font-size: 0.95rem;\n      text-decoration: none !important;\n      display: inline-block;\n    }\n    .ahuptm-cta-btn:hover { background: #1d4ed8; }\n    @media (max-width: 640px) {\n      .ahuptm-result-grid { grid-template-columns: 1fr; }\n      .ahuptm-wrap { padding: 20px 18px; }\n    }\n  <\/style>\n  <div class=\"ahuptm-hd\">\n    <p class=\"ahuptm-title\">WordPress Uptime Cost Calculator<\/p>\n    <p class=\"ahuptm-sub\">Enter your site revenue to see what each SLA tier costs you in real terms<\/p>\n  <\/div>\n  <div class=\"ahuptm-fields\">\n    <div class=\"ahuptm-field\">\n      <label id=\"ahuptm-rev-lbl\" for=\"ahuptm-rev\">Estimated monthly site revenue or value (USD)<\/label>\n      <input type=\"number\" id=\"ahuptm-rev\" placeholder=\"e.g. 2500\" min=\"0\" max=\"9999999\" aria-labelledby=\"ahuptm-rev-lbl\">\n    <\/div>\n    <div class=\"ahuptm-field\">\n      <label id=\"ahuptm-tier-lbl\">SLA tier to evaluate<\/label>\n      <select id=\"ahuptm-tier\" aria-labelledby=\"ahuptm-tier-lbl\">\n        <option value=\"\">&#8212; Select an SLA tier &#8212;<\/option>\n        <option value=\"99.0\">99.0% &mdash; Budget shared hosting<\/option>\n        <option value=\"99.5\">99.5% &mdash; Standard shared hosting<\/option>\n        <option value=\"99.9\">99.9% &mdash; Most hosting plans advertise this<\/option>\n        <option value=\"99.95\">99.95% &mdash; Premium VPS tier<\/option>\n        <option value=\"99.99\">99.99% &mdash; Dedicated server class<\/option>\n      <\/select>\n    <\/div>\n    <button id=\"ahuptm-calc\" class=\"ahuptm-btn wp-element-button\" data-action=\"calculate\">Calculate My Risk<\/button>\n  <\/div>\n  <div id=\"ahuptm-result\" class=\"ahuptm-result\" style=\"display:none;\">\n    <div class=\"ahuptm-result-grid\">\n      <div class=\"ahuptm-stat\">\n        <span class=\"ahuptm-stat-val\" id=\"ahuptm-dt-yr\"><\/span>\n        <span class=\"ahuptm-stat-lbl\">Max downtime per year<\/span>\n      <\/div>\n      <div class=\"ahuptm-stat\">\n        <span class=\"ahuptm-stat-val\" id=\"ahuptm-dt-mo\"><\/span>\n        <span class=\"ahuptm-stat-lbl\">Max downtime per month<\/span>\n      <\/div>\n      <div class=\"ahuptm-stat\">\n        <span class=\"ahuptm-stat-val\" id=\"ahuptm-rev-risk\"><\/span>\n        <span class=\"ahuptm-stat-lbl\">Annual revenue at risk<\/span>\n      <\/div>\n    <\/div>\n    <div class=\"ahuptm-rec\" id=\"ahuptm-rec\"><\/div>\n    <a id=\"ahuptm-cta\" class=\"ahuptm-cta-btn wp-element-button\" href=\"\/wordpress-hosting.html\" style=\"display:none;\">See AHosting WordPress Plans<\/a>\n  <\/div>\n<\/div>\n<script>\n(function(){\n  document.addEventListener('DOMContentLoaded', function(){\n    var wrap = document.getElementById('ahuptm-wrap');\n    if (!wrap) { return; }\n\n    wrap.addEventListener('click', function(e) {\n      var action = e.target.getAttribute('data-action');\n      if (!action) { return; }\n      if (action === 'calculate') {\n        runCalc();\n      }\n    });\n\n    function runCalc() {\n      var revInput = document.getElementById('ahuptm-rev');\n      var tierSel = document.getElementById('ahuptm-tier');\n      var resultDiv = document.getElementById('ahuptm-result');\n      var dtYrEl = document.getElementById('ahuptm-dt-yr');\n      var dtMoEl = document.getElementById('ahuptm-dt-mo');\n      var revRiskEl = document.getElementById('ahuptm-rev-risk');\n      var recEl = document.getElementById('ahuptm-rec');\n      var ctaLink = document.getElementById('ahuptm-cta');\n\n      if (!revInput) { return; }\n      if (!tierSel) { return; }\n      if (!resultDiv) { return; }\n      if (!dtYrEl) { return; }\n      if (!dtMoEl) { return; }\n      if (!revRiskEl) { return; }\n      if (!recEl) { return; }\n      if (!ctaLink) { return; }\n\n      var rev = parseFloat(revInput.value);\n      var tier = tierSel.value;\n\n      if (isNaN(rev)) { return; }\n      if (rev <= 0) { return; }\n      if (!tier) { return; }\n\n      var uptimePct = parseFloat(tier);\n      var downtimeFrac = (100 - uptimePct) \/ 100;\n      var hoursPerYear = 8760;\n      var downtimeHoursPerYear = downtimeFrac * hoursPerYear;\n      var downtimeHoursPerMonth = downtimeHoursPerYear \/ 12;\n      var hourlyRev = rev \/ 730;\n      var annualRevAtRisk = downtimeHoursPerYear * hourlyRev;\n\n      var dtYrStr = '';\n      if (downtimeHoursPerYear >= 1) {\n        dtYrStr = downtimeHoursPerYear.toFixed(1) + ' hrs';\n      } else {\n        dtYrStr = Math.round(downtimeHoursPerYear * 60) + ' min';\n      }\n\n      var dtMoStr = '';\n      if (downtimeHoursPerMonth >= 1) {\n        dtMoStr = downtimeHoursPerMonth.toFixed(1) + ' hrs';\n      } else {\n        dtMoStr = Math.round(downtimeHoursPerMonth * 60) + ' min';\n      }\n\n      var revRiskStr = '$' + Math.round(annualRevAtRisk).toLocaleString();\n\n      dtYrEl.textContent = dtYrStr;\n      dtMoEl.textContent = dtMoStr;\n      revRiskEl.textContent = revRiskStr;\n\n      var recText = '';\n      if (tier === '99.9') {\n        recText = 'At $' + Math.round(rev).toLocaleString() + '\/mo, a 99.9% SLA exposes you to ' + revRiskStr + ' in annual revenue risk from permitted downtime alone. This excludes PHP worker saturation and shared-IP events. Upgrading to VPS at 99.95% cuts the SLA exposure by half and adds per-account CloudLinux isolation.';\n      } else if (tier === '99.99') {\n        recText = 'At $' + Math.round(rev).toLocaleString() + '\/mo, a 99.99% dedicated server SLA reduces your annual permitted downtime exposure to just ' + revRiskStr + '. Dedicated server infrastructure also eliminates the non-SLA availability risks: no shared PHP workers, no shared IP, no shared database server.';\n      } else if (tier === '99.95') {\n        recText = 'At $' + Math.round(rev).toLocaleString() + '\/mo, a 99.95% VPS plan limits your annual SLA downtime exposure to ' + revRiskStr + '. This is a significant improvement over shared hosting, and per-account PHP-FPM configuration provides protection against the worker exhaustion events that SLAs do not cover.';\n      } else if (tier === '99.0') {\n        recText = 'At $' + Math.round(rev).toLocaleString() + '\/mo on a 99.0% plan, your annual risk from permitted downtime alone is ' + revRiskStr + ' \u2014 and that excludes the application-layer outages no SLA covers. This tier is not recommended for any site that generates revenue.';\n      } else {\n        recText = 'At $' + Math.round(rev).toLocaleString() + '\/mo, a ' + tier + '% SLA means an annual permitted downtime exposure of ' + revRiskStr + '. Review whether your hosting infrastructure matches your availability requirements.';\n      }\n\n      recEl.textContent = recText;\n      resultDiv.style.display = 'block';\n      ctaLink.style.display = 'inline-block';\n    }\n  });\n})();\n<\/script>\n\n\n\n<h2 id=\"verify-uptime\" class=\"wp-block-heading\">Verifying WordPress Hosting Uptime: The Practical Monitoring Approach<\/h2>\n\n\n\n<h3 id=\"uptimerobot-monitoring\" class=\"wp-block-heading\">Independent Uptime Monitoring with UptimeRobot<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The most reliable way to evaluate a hosting provider&#8217;s real-world uptime before committing is to monitor a test site on their infrastructure using an external tool for 30 to 60 days. <a href=\"https:\/\/uptimerobot.com\/\" target=\"_blank\" rel=\"noopener\">UptimeRobot<\/a> provides free monitoring with 5-minute check intervals from multiple global locations, returning historical uptime data and an incident log that captures every outage event regardless of whether the host classifies it as an SLA violation. Setting up monitoring takes under 5 minutes: create a free account, add an HTTP monitor for your site URL, select your check interval, and enable email alerts. After 30 days, the historical report shows the exact times and durations of every availability incident.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Specifically, pay attention to three patterns in monitoring data when evaluating hosting quality. First, look for recurring downtime at the same time each day \u2014 this typically indicates scheduled processes (backup jobs, database optimization runs, cron tasks) consuming server resources and degrading availability during their execution window. Second, look for brief 1 to 3 minute outages that occur multiple times per month \u2014 these are characteristic of PHP worker saturation events rather than server hardware failures, and they indicate the hosting plan&#8217;s worker pool is undersized for the site&#8217;s traffic pattern. Third, look for downtime events with exact start times matching DNS TTL intervals \u2014 these indicate IP address instability or upstream routing problems rather than local server failures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Additionally, combine external HTTP monitoring with WordPress-side performance tracking using the Query Monitor plugin. Query Monitor logs slow database queries, memory usage, and PHP execution time directly in the WordPress admin dashboard. Cross-referencing Query Monitor data with UptimeRobot alerts reveals whether availability incidents originate at the server layer (network ping fails) or the application layer (PHP timeout errors that return 503 HTTP status). This distinction guides whether the solution is a hosting upgrade or a WordPress configuration improvement.<\/p>\n\n\n\n<h3 id=\"sla-fine-print\" class=\"wp-block-heading\">Five SLA Fine-Print Clauses That Determine What 99.9% Actually Means<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Before committing to a hosting plan based on its advertised uptime percentage, reviewing five specific SLA clauses reveals the actual value of the guarantee. First, the measurement methodology clause defines whether uptime is measured from the hosting provider&#8217;s internal network monitors or from external third-party monitors \u2014 internal monitors report higher uptime because they do not detect network-edge failures that affect end users. Second, the compensation structure clause defines what you receive when an SLA violation occurs \u2014 most plans offer service credits of 10 to 30% of monthly fees, not cash refunds, and credits may apply only to future services rather than the billing period affected.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Third, the maintenance exclusion clause defines how much planned maintenance time is excluded from SLA calculations \u2014 provisions allowing 4 hours of monthly maintenance exclusion can reduce a 99.9% annual guarantee (8.76 hours permitted downtime) by nearly half. Fourth, the claim filing deadline clause defines how quickly you must file for compensation after an outage \u2014 24 to 72-hour claim windows are common, and missing the deadline forfeits any compensation regardless of the outage severity. Fifth, the force majeure scope clause defines which external events release the provider from SLA obligations \u2014 broadly written force majeure clauses can exclude upstream network failures, DDoS events, and third-party infrastructure issues, leaving very few scenarios where compensation actually applies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ultimately, the most reliable signal of a hosting provider&#8217;s real uptime commitment is the age and track record of their infrastructure, not the percentage in their SLA. AHosting has operated the same core server infrastructure since 2002, through multiple generations of web technology and every major internet disruption of the past 22 years. That operational continuity is reflected in infrastructure decisions \u2014 dedicated IP included as standard, CloudLinux CageFS isolation on all shared plans, and a <a href=\"\/dedicated-server.html\" target=\"_blank\" rel=\"noopener\" title=\"\">dedicated server tier<\/a> for sites that require the full resource isolation of single-tenant hardware. The <a href=\"https:\/\/www.ahosting.net\/blog\/wordpress-vps-hosting-upgrade\/\" target=\"_blank\" rel=\"noopener\">WordPress VPS hosting upgrade guide<\/a> outlines the specific performance signals that indicate when a site has outgrown shared hosting&#8217;s availability ceiling.<\/p>\n\n\n\n<h2 id=\"faq-wordpress-hosting-uptime\" class=\"wp-block-heading\">Frequently Asked Questions: WordPress Hosting Uptime<\/h2>\n\n\n\n<h3 id=\"faq-dedicated-vs-shared-uptime\" class=\"wp-block-heading\">WordPress hosting uptime in 2026: dedicated IP vs shared IP \u2014 which delivers better availability?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Specifically, dedicated IP hosting delivers meaningfully higher real-world availability than shared IP hosting in 2026, even when both advertise the same 99.9% SLA. A shared IP means your site&#8217;s reachability depends on every other site sharing that address \u2014 if a neighbor is hit by a DDoS attack, rate-limited by a search engine, or flagged for spam, your site goes offline along with it. Dedicated IP hosting eliminates that dependency entirely: your uptime is determined only by your server&#8217;s performance, not your neighbors&#8217;. At AHosting, every WordPress hosting plan includes a dedicated IP at no extra cost, making this protection a standard infrastructure feature rather than a premium add-on that competing hosts charge $2 to $5 per month to provide.<\/p>\n\n\n\n<h3 id=\"faq-ahosting-vs-managed\" class=\"wp-block-heading\">AHosting WordPress hosting uptime vs managed WordPress hosting: what does the CloudLinux stack actually change?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fundamentally, AHosting&#8217;s CloudLinux CageFS architecture provides per-account resource isolation that most managed WordPress hosts charge a premium to replicate. CloudLinux Lightweight Virtual Environments assign a defined PHP worker pool and CPU allocation to each account \u2014 no other site on the server can consume your allocated workers, which prevents the PHP 503 errors that occur on unprotected shared hosting during traffic spikes. Managed WordPress hosts achieve similar isolation through containerization, but typically require migration to their proprietary platform and restrict which plugins and configurations you can use. AHosting provides CloudLinux isolation on standard cPanel infrastructure, giving you resource protection without a closed ecosystem.<\/p>\n\n\n\n<h3 id=\"faq-uptime-problems-2026\" class=\"wp-block-heading\">What WordPress hosting uptime problems most commonly hurt online stores in 2026?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Notably, the most damaging WordPress hosting uptime problems for online stores in 2026 are PHP worker exhaustion during checkout traffic, database query timeouts on product catalog pages, and shared IP reputation blocks that briefly make the store unreachable. PHP worker exhaustion is particularly destructive for WooCommerce because checkout and cart pages cannot be served from page cache \u2014 every transaction requires a live PHP worker. When all workers are allocated during a traffic spike, checkout requests queue and time out, producing 503 errors that SLAs exclude from coverage. Stores processing more than 50 concurrent checkouts per hour should verify their host provides per-account PHP worker isolation rather than a shared pool.<\/p>\n\n\n\n<h3 id=\"faq-ahosting-cloudlinux-2026\" class=\"wp-block-heading\">How does AHosting&#8217;s 2026 CloudLinux CageFS configuration prevent PHP worker exhaustion downtime?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Specifically, AHosting&#8217;s CloudLinux CageFS implementation assigns each hosting account its own Lightweight Virtual Environment with a dedicated PHP-FPM worker pool. This means another account&#8217;s traffic spike cannot exhaust the PHP workers allocated to your account. On unprotected shared hosting, all accounts share a global PHP worker pool \u2014 when any account&#8217;s traffic spikes, the entire pool is consumed and every site on the server returns 503 errors. CageFS prevents this at the OS level, not through application-layer throttling. The per-account isolation is enforced by the kernel, making it immune to plugin misconfigurations or WordPress errors that might circumvent software-level protections. See the complete guide to <a href=\"https:\/\/www.ahosting.net\/blog\/wordpress-hosting-security-2026-server-level-protection\/\" target=\"_blank\" rel=\"noopener\">server-level WordPress hosting security<\/a> for more on how CloudLinux affects the full security and performance stack.<\/p>\n\n\n\n<h3 id=\"faq-woocommerce-100-orders\" class=\"wp-block-heading\">When does WordPress hosting uptime fall below 99.9% for a WooCommerce store processing 100+ orders per day?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Typically, WordPress hosting uptime falls below 99.9% for a WooCommerce store at 100+ daily orders when the hosting plan&#8217;s PHP worker allocation cannot handle concurrent checkout sessions without queuing. A store processing 100 orders per day sees concentrated traffic during business hours \u2014 at peak times, this translates to 8 to 15 simultaneous checkout sessions. If your hosting plan allocates fewer PHP workers than your peak concurrent session count, requests queue and eventually time out, producing 503 and 504 errors. These application-layer failures reduce real-world availability well below 99.9%, because SLAs measure network ping availability rather than PHP response availability. The worker saturation thresholds and calculation methods are covered in the uptime cost calculator section of this guide.<\/p>\n\n\n\n<h3 id=\"faq-membership-500-users\" class=\"wp-block-heading\">When should a WordPress membership site with 500+ concurrent logged-in users upgrade from AHosting shared to VPS hosting for uptime?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Generally, a WordPress membership site should upgrade from AHosting shared hosting to VPS hosting before reaching 200 concurrent logged-in sessions, with 500 concurrent users representing the clear threshold for dedicated server consideration. Logged-in users on a membership site cannot be served from full-page cache \u2014 every page load requires a live PHP worker to validate session state and render personalized content. At 500 concurrent users, you need a PHP-FPM configuration with at least 40 to 60 workers to maintain response times under 300ms. <a href=\"\/vps-hosting.html\" target=\"_blank\" rel=\"noopener\" title=\"\">AHosting VPS hosting<\/a> provides configurable PHP-FPM pools where you can set pm.max_children directly, eliminating the fixed worker allocations of shared plans. The VPS tier includes cPanel access, so you can tune PHP-FPM settings without leaving the control panel you already know.<\/p>\n\n\n\n<h3 id=\"faq-sla-tier-minutes\" class=\"wp-block-heading\">What is the difference in real downtime minutes between 99.9%, 99.95%, and 99.99% wordpress hosting uptime SLAs per year?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Precisely, the difference is significant and often understated: 99.9% SLA permits 526 minutes (8.76 hours) of downtime per year; 99.95% SLA permits 263 minutes (4.38 hours); and 99.99% SLA permits just 53 minutes per year. Upgrading from 99.9% to 99.99% reduces contractually permitted annual downtime by 473 minutes \u2014 nearly 8 hours. These figures cover only SLA-defined network availability, however. PHP 503 errors from worker exhaustion, database timeouts, and shared-IP events are excluded from all three tiers. The real availability gap between hosting tiers is often larger than the SLA numbers suggest \u2014 infrastructure quality determines the frequency of those uncovered outage types. Use the WordPress Uptime Cost Calculator above to model your specific revenue exposure at each SLA tier.<\/p>\n\n\n\n<h3 id=\"faq-true-availability-score\" class=\"wp-block-heading\">What is the AHosting True Availability Score and how does it measure WordPress hosting uptime beyond the 99.9% SLA?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Specifically, the AHosting True Availability Score is a composite metric that adds three availability layers the standard SLA omits: network uptime percentage (what the SLA covers), PHP worker saturation rate (how often the account&#8217;s worker pool is fully utilized), and shared-IP incident exposure (for plans without dedicated IP). A host scoring 99.9% on SLA-defined network uptime may still deliver 97 to 98% true availability if its shared IP infrastructure generates monthly DDoS-related blocks and its PHP worker pool saturates during business hours. AHosting&#8217;s WordPress plans earn a higher True Availability Score by combining the 99.9% network SLA with per-account CloudLinux LVE isolation and standard dedicated IP, eliminating the two most common causes of non-SLA downtime on shared infrastructure.<\/p>\n\n\n\n<h3 id=\"faq-diagnose-uptime-problem\" class=\"wp-block-heading\">How do I check if my WordPress hosting uptime problems are caused by my server or my plugins?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fortunately, distinguishing server-caused from plugin-caused WordPress hosting uptime problems follows a reliable diagnostic sequence. First, check your server error logs in cPanel under Metrics then Errors \u2014 PHP fatal errors and 503 patterns appear here before they appear in WordPress. Second, install the Query Monitor plugin and load your site while logged in \u2014 it shows PHP execution time, database query count, and memory usage per page load, revealing whether a plugin is causing timeouts. Third, set up <a href=\"https:\/\/uptimerobot.com\/\" target=\"_blank\" rel=\"noopener\">UptimeRobot<\/a> to monitor your site externally from multiple locations \u2014 if all locations report the same outage simultaneously, the cause is server-side; if only some regions report it, the cause may be DNS or CDN configuration. Finally, switching to a default WordPress theme temporarily isolates theme-caused PHP errors from plugin conflicts and confirms whether theme code is contributing to the availability issue.<\/p>\n\n\n\n<h3 id=\"faq-good-uptime-percentage\" class=\"wp-block-heading\">What is a good uptime percentage for WordPress hosting?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Generally, 99.9% uptime is the acceptable minimum for any WordPress site with an audience, while 99.95% or higher is recommended for WooCommerce stores or sites where downtime directly affects revenue. At 99.9%, your host is permitted to be unavailable for up to 8 hours and 45 minutes per year \u2014 roughly equivalent to one extended maintenance window or two to three smaller incidents. For a blog or portfolio, this risk is manageable. For an e-commerce site or membership platform, the hidden cost is downtime concentrated during peak shopping hours, which may represent a disproportionate share of your monthly revenue. Review the SLA tier comparison table in this guide and run the Uptime Cost Calculator above to calculate the real-world impact for your specific revenue level before committing to a hosting plan.<\/p>\n\n\n\n<script>\n(function(){\n  document.addEventListener('DOMContentLoaded', function(){\n    var allH3s = document.querySelectorAll('h3.wp-block-heading');\n    var inFaq = false;\n    for (var i = 0; i < allH3s.length; i++) {\n      var h3 = allH3s[i];\n      var prev = h3.previousElementSibling;\n      if (prev) {\n        if (prev.tagName === 'H2') {\n          var prevId = prev.getAttribute('id');\n          if (prevId) {\n            if (prevId.indexOf('faq-') === 0) {\n              inFaq = true;\n            } else {\n              inFaq = false;\n            }\n          }\n        }\n      }\n      if (inFaq) {\n        initToggle(h3);\n      }\n    }\n    function initToggle(h3) {\n      var answer = h3.nextElementSibling;\n      if (!answer) { return; }\n      if (answer.tagName !== 'P') { return; }\n      var chev = document.createElement('span');\n      chev.className = 'ahfaq-chev ahfaq-chev-closed';\n      chev.setAttribute('aria-hidden', 'true');\n      h3.appendChild(chev);\n      h3.setAttribute('role', 'button');\n      h3.setAttribute('tabindex', '0');\n      h3.setAttribute('aria-expanded', 'false');\n      answer.classList.add('ahfaq-collapsed');\n      h3.addEventListener('click', function(){ doToggle(h3, answer, chev); });\n      h3.addEventListener('keydown', function(e){\n        if (e.key === 'Enter') { e.preventDefault(); doToggle(h3, answer, chev); }\n        if (e.key === ' ') { e.preventDefault(); doToggle(h3, answer, chev); }\n      });\n    }\n    function doToggle(h3, answer, chev) {\n      var isOpen = h3.getAttribute('aria-expanded') === 'true';\n      if (isOpen) {\n        answer.classList.remove('ahfaq-open');\n        answer.classList.add('ahfaq-collapsed');\n        h3.setAttribute('aria-expanded', 'false');\n        chev.classList.add('ahfaq-chev-closed');\n        chev.classList.remove('ahfaq-chev-open');\n      } else {\n        answer.classList.remove('ahfaq-collapsed');\n        answer.classList.add('ahfaq-open');\n        h3.setAttribute('aria-expanded', 'true');\n        chev.classList.remove('ahfaq-chev-closed');\n        chev.classList.add('ahfaq-chev-open');\n      }\n    }\n  });\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>TL;DR A 99.9% wordpress hosting uptime SLA permits up to 8 hours and 45 minutes of downtime per year \u2014 but PHP worker exhaustion and shared-IP events take WordPress sites offline without violating a single SLA term. Every hosting company advertises WordPress hosting uptime as a headline metric \u2014 99.9% appears on more hosting sales [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[8],"tags":[61,60,49,63,62,58,59,46],"class_list":["post-772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wordpress","tag-99-9-uptime","tag-cloudlinux","tag-dedicated-ip","tag-hosting-reliability","tag-php-workers","tag-sla","tag-uptime","tag-wordpress-hosting"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/posts\/772","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/comments?post=772"}],"version-history":[{"count":5,"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/posts\/772\/revisions"}],"predecessor-version":[{"id":782,"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/posts\/772\/revisions\/782"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/media\/773"}],"wp:attachment":[{"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/media?parent=772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/categories?post=772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ahosting.net\/blog\/wp-json\/wp\/v2\/tags?post=772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}