Troubleshooting
General Troubleshooting
- ★ Why isn't SSL working for my site?
- ★ I'm getting Google Crawler Errors. What should I do?
- Why do I see "A Parser-blocking, cross-origin script is invoked via document.write" in my browser console?
- How do I check my server's response directly without Cloudflare?
- Why doesn't my site display correctly when sharing to Facebook?
- How can I be notified about Cloudflare incidents?
Error Pages
- ★ Why am I getting a 503 Service Temporarily Unavailable error message?
- HTTP Status Codes
- What should I do after seeing a 502 or 504 gateway error on my site?
- Error 522: Connection timed out
- Error 521: Web server is down
- Error 520: Web server is returning an unknown error
Performance
Website Under Attack
Website Unavailable
Restoring Visitor IPs
- ★ How does Cloudflare handle HTTP Request headers?
- ★ Why should I install mod_cloudflare?
- ★ How do I restore original visitor IP with Apache 2.4?
- ★ How do I restore original visitor IP with Nginx?
- ★ How do I restore original visitor IP with EasyApache + cPanel?
- ★ How do I configure mod_cloudflare to restore visitor IPs when using Railgun?