HTTP 410 Gone vs 411 Length Required
Both HTTP 410 (Gone) and 411 (Length Required) belong to the 4xx Client Error category. 410 indicates that the resource is permanently gone and will not be available again. Unlike 404, this is intentional and permanent. Meanwhile, 411 means that the server refuses to accept the request without a Content-Length header.
Description
The resource is permanently gone and will not be available again. Unlike 404, this is intentional and permanent.
When You See It
When a resource has been deliberately removed and should be de-indexed by search engines.
How to Fix
Remove references to this URL. Search engines will de-index the page.
Description
The server refuses to accept the request without a Content-Length header.
When You See It
When sending a request body without specifying Content-Length.
How to Fix
Include a Content-Length header in your request.
Key Differences
HTTP 410: The resource is permanently gone and will not be available again. Unlike 404, this is intentional and permanent.
HTTP 411: The server refuses to accept the request without a Content-Length header.
You encounter 410 when when a resource has been deliberately removed and should be de-indexed by search engines.
You encounter 411 when when sending a request body without specifying Content-Length.
When to Use Which
For 410 (Gone): Remove references to this URL. Search engines will de-index the page. For 411 (Length Required): Include a Content-Length header in your request.