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# My site shows a 503 "Service Unavailable" error

![](https://hodi.host/images/kb/166_Capture-decran-2025-02-18-a-09.42.59.png)

If you get a **503 error**, it means the server is not ready to process the request.

### What are the most common causes?
Most often, this error is due to server overload or server maintenance.

### How can I fix it?
You can first [**check server status**](https://hodi.host/serverstatus.php), to make sure no maintenance is currently reported.

You can also **[check resource usage](https://help.hodi.host/en/article/how-do-i-monitor-my-cpu-and-ram-usage-in-cpanel-1v67vyk/) **as a 503 error is often a sign of RAM saturation on your server.