HTTP 103 Early Hints vs 201 Created
HTTP 103 (Early Hints) is a 1xx Informational response, while 201 (Created) is a 2xx Success 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, 201 means that the request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
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 request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
When You See It
After successfully creating a new user, post, order, or other resource via a REST API.
How to Fix
No fix needed. Check the Location header for the URL of the new resource.
Key Differences
103 is a 1xx Informational response, while 201 is a 2xx Success 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 201: The request succeeded and a new resource was created. Typically returned after POST or PUT requests that create a new entity.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 201 when after successfully creating a new user, post, order, or other resource via a REST API.
When to Use Which
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 201 (Created): No fix needed. Check the Location header for the URL of the new resource.