HTTP 103 Early Hints vs 308 Permanent Redirect
HTTP 103 (Early Hints) is a 1xx Informational response, while 308 (Permanent Redirect) is a 3xx Redirection 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, 308 means that the resource has been permanently moved. Like 301, but guarantees the HTTP method will NOT be changed.
Descripción
Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
Cuándo lo verás
When a server wants the browser to start loading CSS/JS before the full response is ready.
Cómo solucionarlo
No fix needed. This optimization helps speed up page loading.
Descripción
The resource has been permanently moved. Like 301, but guarantees the HTTP method will NOT be changed.
Cuándo lo verás
For permanent URL changes where POST requests must remain POST.
Cómo solucionarlo
Update all references to the new URL. The HTTP method is preserved.
Diferencias clave
103 is a 1xx Informational response, while 308 is a 3xx Redirection 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 308: The resource has been permanently moved. Like 301, but guarantees the HTTP method will NOT be changed.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 308 when for permanent URL changes where POST requests must remain POST.
Cuándo usar cada uno
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 308 (Permanent Redirect): Update all references to the new URL. The HTTP method is preserved.