
Site Health recommends a persistent object cache when your site crosses a size line, not when it is slow. Any one of seven counters is enough: a multisite network, more than 500 autoloaded options or 100,000 bytes of them, or 1,000 rows in the posts, comments, options, terms or users table. Revisions and media count as posts, so small sites trip it often. An object cache also needs a cache server, and a plugin alone cannot provide one. Decide first whether your traffic is the kind an object cache speeds up.
WP-Cron is not a real cron job — it fires only on page loads, making reliable WordPress cron jobs hosting dependent on your host’s PHP worker architecture. On shared servers, AHosting recommends replacing WP-Cron with a real server cron via cPanel to eliminate the entry-process collision that causes 508 errors during traffic spikes.

A 99.9% wordpress hosting uptime SLA permits up to 8 hours and 45 minutes of downtime per year — but PHP worker exhaustion and shared-IP events take WordPress sites offline without violating a single SLA term.

WordPress reseller hosting gives every client their own isolated cPanel account and PHP-FPM pool — but only if the host runs CloudLinux CageFS and allocates per-account resources. Here is the infrastructure checklist for 2026.

WordPress email deliverability hosting failures almost always start with a shared IP address, not your plugin settings. A dedicated IP, correct reverse DNS, and SPF/DKIM/DMARC records fix the root cause. AHosting includes a dedicated IP on every WordPress plan at no extra cost.
