How do I fix a "504 Gateway Timeout" error? Print

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A 504 means a request took too long for the backend to finish. It usually points to a slow query, large import, or external API call.

Identify the slow action — a big import, backup, or report often triggers it. Break large jobs into smaller batches.
In cPanel MultiPHP INI Editor, raise max_execution_time and max_input_time for long scripts.
Optimize slow database queries and clear bloated tables (e.g. WordPress transients).
If an external API your site calls is down, the wait causes the timeout — add a shorter timeout in your code.
Clear caches to rule out a stored error.

If short, simple pages also time out, open a ticket with details.

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