HTTP 103 Early Hints vs 504 Gateway Timeout
HTTP 103 (Early Hints) is a 1xx Informational response, while 504 (Gateway Timeout) is a 5xx Server 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, 504 means that the server, acting as a gateway or proxy, did not receive a timely response from the upstream server.
Описание
Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
Когда вы это видите
When a server wants the browser to start loading CSS/JS before the full response is ready.
Как исправить
No fix needed. This optimization helps speed up page loading.
Описание
The server, acting as a gateway or proxy, did not receive a timely response from the upstream server.
Когда вы это видите
When an upstream server is too slow to respond within the proxy's timeout window.
Как исправить
Increase proxy timeout settings. Optimize upstream server performance. Check for long-running queries.
Ключевые различия
103 is a 1xx Informational response, while 504 is a 5xx Server 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 504: The server, acting as a gateway or proxy, did not receive a timely response from the upstream server.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 504 when when an upstream server is too slow to respond within the proxy's timeout window.
Когда что использовать
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 504 (Gateway Timeout): Increase proxy timeout settings. Optimize upstream server performance. Check for long-running queries.