Cloudflare Error 524
Critical
A timeout occurred
Cloudflare established a TCP connection but timed out waiting for the HTTP response (default 100s). Indicates a slow origin backend.
Impact: Website completely inaccessible
Responsibility
Origin Server
This error originates from your origin server. Check origin load and logs.
Common Causes
- Origin executed a long-running database query or heavy script
- Backend application deadlocked
- Origin failed to send any HTTP response data within 100 seconds
Troubleshooting Guide
1
Optimize Backend Processing
If a large file or heavy report is expected to take time, do not process it over a blocking HTTP request. Use background jobs and a progress poll instead.