Cloudflare error: what it means and how to fix it
A Cloudflare error page almost always means Cloudflare is fine but couldn't get a proper answer from your own server. The number says which part failed.
Cloudflare error 522: connection timed out
Error 522: Cloudflare couldn't connect to your server in time. The server is overloaded or offline, or a firewall is silently dropping Cloudflare.
Cloudflare error 521: web server is down
Error 521: your server refused Cloudflare's connection. The web server is stopped or a firewall is blocking Cloudflare. Start it, allow Cloudflare.
Cloudflare error 520
Error 520: your server sent Cloudflare an empty or unexpected response. Usually a crash, a security plugin blocking Cloudflare, or response headers too large.
Cloudflare error 524: a timeout occurred
Error 524: your server accepted the request but took longer than Cloudflare's 125-second limit to answer. Find the slow page and the slow step in it.
Cloudflare error 523: origin is unreachable
Error 523: Cloudflare can't find a route to your server. Usually the IP address in your DNS records is wrong or out of date, or the host's network is down.
Cloudflare 502 Bad Gateway
A Cloudflare-branded 502 usually means your own server returned the 502 and Cloudflare passed it on. Fix the app behind your web server, not Cloudflare.
Cloudflare Ray ID error
The Ray ID isn't the error. It's a reference number for the request that failed. Use it with the error code to find that exact request in Cloudflare.
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