HTTP

HTTP 103 Early Hints vs 302 Found

HTTP 103 (Early Hints) is a 1xx Informational response, while 302 (Found) 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, 302 means that the resource temporarily resides at a different URL. The client should continue using the original URL for future requests.

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

The resource temporarily resides at a different URL. The client should continue using the original URL for future requests.

何时出现

During A/B testing, temporary maintenance pages, or geo-based redirects.

如何修复

Follow the Location header. Note: browsers may change POST to GET on redirect.

主要区别

1.

103 is a 1xx Informational response, while 302 is a 3xx Redirection response.

2.

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.

3.

HTTP 302: The resource temporarily resides at a different URL. The client should continue using the original URL for future requests.

4.

You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.

5.

You encounter 302 when during A/B testing, temporary maintenance pages, or geo-based redirects.

何时使用哪个

For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 302 (Found): Follow the Location header. Note: browsers may change POST to GET on redirect.

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