HTTP 103 Early Hints vs 423 Locked
HTTP 103 (Early Hints) is a 1xx Informational response, while 423 (Locked) is a 4xx Client Error response. 103 indicates that used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response. In contrast, 423 means that the resource is locked and cannot be modified (WebDAV).
Description
Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
When You See It
When a server wants the browser to start loading CSS/JS before the full response is ready.
How to Fix
No fix needed. This optimization helps speed up page loading.
Description
The resource is locked and cannot be modified (WebDAV).
When You See It
When trying to edit a file that another user has locked in WebDAV.
How to Fix
Wait for the lock to be released, or request the lock owner to unlock it.
Key Differences
103 is a 1xx Informational response, while 423 is a 4xx Client Error response.
HTTP 103: Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
HTTP 423: The resource is locked and cannot be modified (WebDAV).
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 423 when when trying to edit a file that another user has locked in WebDAV.
When to Use Which
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 423 (Locked): Wait for the lock to be released, or request the lock owner to unlock it.