HTTP 504 Gateway Timeout vs 530 Site Frozen
Both HTTP 504 (Gateway Timeout) and 530 (Site Frozen) belong to the 5xx Server Error category. 504 indicates that the server, acting as a gateway or proxy, did not receive a timely response from the upstream server. Meanwhile, 530 means that cloudflare-specific. Used by Pantheon hosting to indicate a frozen site.
Description
The server, acting as a gateway or proxy, did not receive a timely response from the upstream server.
When You See It
When an upstream server is too slow to respond within the proxy's timeout window.
How to Fix
Increase proxy timeout settings. Optimize upstream server performance. Check for long-running queries.
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
HTTP 504: The server, acting as a gateway or proxy, did not receive a timely response from the upstream server.
HTTP 530: Cloudflare-specific. Used by Pantheon hosting to indicate a frozen site.
You encounter 504 when when an upstream server is too slow to respond within the proxy's timeout window.
You encounter 530 when when a site on Pantheon hosting has been frozen due to inactivity.
When to Use Which
For 504 (Gateway Timeout): Increase proxy timeout settings. Optimize upstream server performance. Check for long-running queries. For 530 (Site Frozen): Reactivate the site on the hosting platform.