Guides from the NOC

The connection opened and closed with nothing in it. That points at a backend that never replied, and there is one log line that names the cause exactly.

The connection opened, the request went out, and the server closed it without sending a response. Here is how to find out which layer hung up, and why.

WooCommerce import or database restore stalling with 'maximum execution time exceeded'? Learn which of four timeout layers is really at fault and how to fix it.

Edited a PHP file but the site still shows the old version? Learn how PHP OPcache caches compiled code, why it goes stale, and how to clear it safely.

Site throwing Cloudflare error 524 'A timeout occurred'? Learn why the origin is too slow to respond and how to fix wp-cron, slow queries, and hung APIs.

Seeing a 504 Gateway Timeout on your site or API? Learn which layer - Cloudflare, Nginx, Apache, or PHP-FPM - is stalling, and fix each cause step by step.

Seeing a 502 Bad Gateway error on your site? Learn what's really failing behind the scenes - PHP-FPM, LiteSpeed, Cloudflare - and fix it step by step.

Site showing 503 Service Unavailable? Learn what's really crashing behind the scenes - PHP-FPM, Apache limits, plugins - and fix it step by step.

Getting MySQL error 1040 Too Many Connections on your WordPress site or VPS? Learn how to diagnose the real cause and fix it safely, step by step.