Planned maintenance

• Disruptive Maintenance Windows

General Troubleshooting

• Registrar: troubleshoot stalled domain transfers
• Troubleshoot common Cf-Polished statuses
• Troubleshoot Image Resizing problems
• Gathering information for troubleshooting sites
• Contacting Cloudflare Support
• Troubleshooting surges or spikes in web traffic

See all 10 articles

Website Under Attack

• Using Cloudflare Logs (ELS) to Investigate DDoS Traffic (Enterprise Only)

Restoring Visitor IPs

• Restoring original visitor IPs

HTTP Status Codes

• HTTP Status Codes
• 1xx Informational
• 2xx Success
• 3xx Redirection
• 4xx Client Error

Cloudflare Errors

• Troubleshooting Cloudflare 10XXX errors
• Troubleshooting Cloudflare 1XXX errors
• Troubleshooting Cloudflare 5XX errors

Performance

• HTTP/2 and Enhanced HTTP/2 Prioritization options may affect content loading on iOS/Safari devices