HTTP 103 Early Hints vs 404 Not Found
HTTP 103 (Early Hints) is a 1xx Informational response, while 404 (Not Found) 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, 404 means that the server cannot find the requested resource. The URL may be wrong, the resource may have been deleted, or it may never have existed.
Descrição
Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
Quando você o vê
When a server wants the browser to start loading CSS/JS before the full response is ready.
Como corrigir
No fix needed. This optimization helps speed up page loading.
Descrição
The server cannot find the requested resource. The URL may be wrong, the resource may have been deleted, or it may never have existed.
Quando você o vê
When a URL is mistyped, a page has been deleted, or an API endpoint doesn't exist.
Como corrigir
Verify the URL is correct. Check for typos, case sensitivity, and trailing slashes.
Diferenças principais
103 is a 1xx Informational response, while 404 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 404: The server cannot find the requested resource. The URL may be wrong, the resource may have been deleted, or it may never have existed.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 404 when when a URL is mistyped, a page has been deleted, or an API endpoint doesn't exist.
Quando usar qual
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 404 (Not Found): Verify the URL is correct. Check for typos, case sensitivity, and trailing slashes.