HTTP 103 Early Hints vs 301 Moved Permanently
HTTP 103 (Early Hints) is a 1xx Informational response, while 301 (Moved Permanently) 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, 301 means that the resource has been permanently moved to a new URL. All future requests should use the new URL. Search engines will transfer link equity to the new URL.
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 to a new URL. All future requests should use the new URL. Search engines will transfer link equity to the new URL.
Cuándo lo verás
After domain migrations, URL restructuring, or when consolidating duplicate URLs.
Cómo solucionarlo
Update links and bookmarks to the new URL in the Location header. For SEO, this is the preferred redirect for permanent moves.
Diferencias clave
103 is a 1xx Informational response, while 301 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 301: The resource has been permanently moved to a new URL. All future requests should use the new URL. Search engines will transfer link equity to the new URL.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 301 when after domain migrations, URL restructuring, or when consolidating duplicate URLs.
Cuándo usar cada uno
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 301 (Moved Permanently): Update links and bookmarks to the new URL in the Location header. For SEO, this is the preferred redirect for permanent moves.