HTTP 103 Early Hints vs 524 A Timeout Occurred
HTTP 103 (Early Hints) is a 1xx Informational response, while 524 (A Timeout Occurred) 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, 524 means that cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time.
描述
Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
何时出现
When a server wants the browser to start loading CSS/JS before the full response is ready.
如何修复
No fix needed. This optimization helps speed up page loading.
描述
Cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time.
何时出现
When a request to the origin takes longer than Cloudflare's 100-second timeout.
如何修复
Optimize slow endpoints. Move long-running tasks to background jobs.
主要区别
103 is a 1xx Informational response, while 524 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 524: Cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 524 when when a request to the origin takes longer than Cloudflare's 100-second timeout.
何时使用哪个
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 524 (A Timeout Occurred): Optimize slow endpoints. Move long-running tasks to background jobs.