414
URI Too Long
4xx Client error
Class
RFC 9110 §15.5.15
Defined in
What does HTTP 414 mean?
The URL is longer than the server is willing to process. Servers usually limit URLs to around 8 KB. Very long query strings — huge filter combinations, data stuffed into GET parameters or redirect loops that keep appending parameters — trigger it.
4xx Client error: The request has a problem the client can fix: wrong URL, missing credentials, bad data or too many requests.
Common causes of a 414 error
- Too much data in query parameters.
- A redirect loop that appends to the URL.
How to fix 414 URI Too Long
- Send large data in a POST body instead.
- Fix redirect loops.
414 and SEO
Long, parameter-heavy URLs are also bad for crawling; keep URLs short and canonical.
Example response
HTTP/1.1 414 URI Too LongRelated status codes
- 413 Content Too Large — The request body is larger than the server allows.
- 400 Bad Request — The server cannot process the request because it is malformed.
- 431 Request Header Fields Too Large — The request headers, or a single header, are too large.
Check which status code a URL returns with the HTTP header checker.
All HTTP status codesSearch the full list of status codes from 100 to 599 with their meanings and SEO impact.
Open the full list Frequently asked questions
What does status code 414 mean?
414 URI Too Long: The URL is longer than the server is willing to process.
How do I fix a 414 error?
Send large data in a POST body instead. Fix redirect loops.
Does 414 affect SEO?
Long, parameter-heavy URLs are also bad for crawling; keep URLs short and canonical.