
A 502 bad gateway WordPress error is a proxy reporting that the process behind it died, vanished or sent a broken answer. Find out who sent it, then read the log line: a PHP fatal error is a 500, and a slow request is a 504.
The WordPress PHP version error is a pre-boot fatal, not an admin notice. Raise PHP in cPanel to clear it, but do not stop at the number in the message: WordPress enforces 7.4 and recommends 8.3 or greater.

Slow FFmpeg encoding on shared hosting is usually a CPU cap, not a bad command. Time one encode, divide user seconds by your plan’s cores, and you have the floor no flag can beat.

WooCommerce Black Friday hosting is decided by one number: entry processes divided by checkout execution time. Measure it in September, rehearse it in October, freeze the site in November.

Setting WP_POST_REVISIONS caps future growth only. To limit WordPress post revisions and actually shrink the database, you must also delete the rows already stored, because the constant removes none of them.
