If you have an error in your Server Side Include directive, you'll likely see this error message.

[an error occurred while processing this directive]

If you do not see any error message, then most likely, SSI is not enabled for your hosting account.

Enter an SSI directive below and click the button.

This tool will perform most basic validation only.

When including a file, double check the path to the file. When using scripts, ensure the script is working properly. These errors can not be detected by this tool.