Cloudflare error 524: a timeout occurred
Cloudflare connected to your origin, but the application took longer than Cloudflare's 100-second limit (on most plans) to send a response.
Where it failed: the origin behind Cloudflare
What visitors see
Cloudflare's "A timeout occurred" page with a Ray ID, after about 100 seconds.
Usual causes
- A slow database query or report.
- A long task (an import, an export, a backup) run inside a web request.
- A hanging call to another service.
How to tell which one it is
- 524 means the connection worked and the answer was slow; 522 means the connection itself never opened.
What to do
- Make the request faster or move the long work to a background job that the page polls.
- Serve long-running endpoints from a hostname that is not proxied by Cloudflare (DNS only), if they truly need more than 100 seconds.
Check the site now
The Down Checker names the layer that failed (DNS, connection, TLS or the server) and decodes the error page it gets.
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