HTTP

HTTP 103 Early Hints vs 530 Site Frozen

HTTP 103 (Early Hints) is a 1xx Informational response, while 530 (Site Frozen) 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, 530 means that cloudflare-specific. Used by Pantheon hosting to indicate a frozen site.

Description

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

When You See It

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

How to Fix

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

Description

Cloudflare-specific. Used by Pantheon hosting to indicate a frozen site.

When You See It

When a site on Pantheon hosting has been frozen due to inactivity.

How to Fix

Reactivate the site on the hosting platform.

Key Differences

1.

103 is a 1xx Informational response, while 530 is a 5xx Server 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 530: Cloudflare-specific. Used by Pantheon hosting to indicate a frozen site.

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 530 when when a site on Pantheon hosting has been frozen due to inactivity.

When to Use Which

For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 530 (Site Frozen): Reactivate the site on the hosting platform.

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