📡 HTTP Status Codes

Complete reference for 50 HTTP status codes. What they mean, security implications, and how to fix them.

🔍
ℹī¸ Informational
100
Continue
Info
101
Switching Protocols
Medium
102
Processing
Info
103
Early Hints
Info
✅ Success
200
OK
Info
201
Created
Info
202
Accepted
Info
204
No Content
Info
206
Partial Content
Info
â†Ēī¸ Redirection
301
Moved Permanently
Low
302
Found
Low
303
See Other
Info
304
Not Modified
Info
307
Temporary Redirect
Low
308
Permanent Redirect
Low
⚠ī¸ Client Error
400
Bad Request
Low
401
Unauthorized
High
403
Forbidden
High
404
Not Found
Low
405
Method Not Allowed
Medium
406
Not Acceptable
Low
407
Proxy Auth Required
Medium
408
Request Timeout
Low
409
Conflict
Medium
410
Gone
Low
411
Length Required
Low
413
Payload Too Large
Medium
414
URI Too Long
Low
415
Unsupported Media Type
Low
418
I'm a Teapot
Info
422
Unprocessable Entity
Low
429
Too Many Requests
High
451
Unavailable For Legal Reasons
Medium
🔴 Server Error
500
Internal Server Error
Critical
501
Not Implemented
Medium
502
Bad Gateway
Critical
503
Service Unavailable
Critical
504
Gateway Timeout
Critical
505
HTTP Version Not Supported
Low
507
Insufficient Storage
High
508
Loop Detected
Medium
511
Network Auth Required
Medium
☁ī¸ Cloudflare
520
Web Server Error
High
521
Web Server Is Down
Critical
522
Connection Timed Out
Critical
523
Origin Is Unreachable
Critical
524
A Timeout Occurred
High
525
SSL Handshake Failed
High
526
Invalid SSL Certificate
High
530
Origin DNS Error
High
No status codes match your search.