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High IssueServer Errors

504 Gateway Timeout

The gateway didn't receive a timely response from the upstream server.

What You're Seeing

  • "504 Gateway Timeout" error
  • Page takes very long then times out
  • Admin or import pages affected

Why This Happens

  • 1
    Script execution time exceeded
  • 2
    Slow database queries
  • 3
    External API calls timing out
  • 4
    Timeout settings too low

How We Fix It

Our senior engineers follow this systematic approach to resolve the issue quickly and permanently.

Adjust Timeouts: Increase timeout values in Nginx, Apache, and PHP configuration.

Optimize: Identify slow queries, add database indexes, cache API responses.

Preventing This Issue

Set appropriate timeout values, implement caching, optimize database queries, use background processing.

Related Guides

If you're experiencing this issue, you may also want to check these related problems:

  • 502 Bad Gateway Error - The 502 bad gateway error occurs when your server received an invalid response from an upstream server. This critical error is especially common with Nginx 502 errors and Cloudflare 502 issues. Understanding how to fix 502 bad gateway problems requires identifying whether it's a server, proxy, or CDN issue.
  • WordPress Memory Limit Exceeded - PHP running out of allocated memory, causing crashes or failed operations.

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Our senior engineers can diagnose and fix this issue in hours, not days. No monthly retainers, just expert fixes.

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