HTTP

HTTP 103 Early Hints vs 415 Unsupported Media Type

HTTP 103 (Early Hints) is a 1xx Informational response, while 415 (Unsupported Media Type) 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, 415 means that the server refuses to accept the request because the Content-Type is not supported.

Mô tả

Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.

Khi bạn thấy mã này

When a server wants the browser to start loading CSS/JS before the full response is ready.

Cách khắc phục

No fix needed. This optimization helps speed up page loading.

Mô tả

The server refuses to accept the request because the Content-Type is not supported.

Khi bạn thấy mã này

When sending JSON to an endpoint that only accepts XML, or missing the Content-Type header.

Cách khắc phục

Set the correct Content-Type header matching the data format you're sending.

Sự khác biệt chính

1.

103 is a 1xx Informational response, while 415 is a 4xx Client Error 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 415: The server refuses to accept the request because the Content-Type is not supported.

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 415 when when sending JSON to an endpoint that only accepts XML, or missing the Content-Type header.

Khi nào dùng cái nào

For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 415 (Unsupported Media Type): Set the correct Content-Type header matching the data format you're sending.

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