HTTP

HTTP 524 A Timeout Occurred vs 530 Site Frozen

Both HTTP 524 (A Timeout Occurred) and 530 (Site Frozen) belong to the 5xx Server Error category. 524 indicates that cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time. Meanwhile, 530 means that cloudflare-specific. Used by Pantheon hosting to indicate a frozen site.

Description

Cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time.

When You See It

When a request to the origin takes longer than Cloudflare's 100-second timeout.

How to Fix

Optimize slow endpoints. Move long-running tasks to background jobs.

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.

HTTP 524: Cloudflare-specific. A TCP connection was established but the origin didn't respond with an HTTP response in time.

2.

HTTP 530: Cloudflare-specific. Used by Pantheon hosting to indicate a frozen site.

3.

You encounter 524 when when a request to the origin takes longer than Cloudflare's 100-second timeout.

4.

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

When to Use Which

For 524 (A Timeout Occurred): Optimize slow endpoints. Move long-running tasks to background jobs. For 530 (Site Frozen): Reactivate the site on the hosting platform.

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