How to Enable Debug Mode in WordPress

Debug mode is used to identify and troubleshoot critical errors on a WordPress website. By default, debug mode is disabled because it can slow down the website. We can enable or disable debug mode manually or by using plugins.

Manual Method to Enable Debug Mode in WordPress

1Access your WordPress files using an FTP client or your hosting control panel’s file manager.
2Locate the wp-config.php file, usually in the root directory.
3Open wp-config.php in a text editor.
4Find the line define( 'WP_DEBUG', false );.
5Change false to truedefine( 'WP_DEBUG', true );
6(Optional) Define additional constants for further debugging.
// Enable debug logging
define( 'WP_DEBUG_LOG', true );
// Enable displaying of errors and warnings
define( 'WP_DEBUG_DISPLAY', true );
// Enable logging of all queries and their execution time
define( 'SAVEQUERIES', true );
7Save the wp-config.php file.

Enable / Disable debug mode using WordPress plugins

1Go to Plugins > Add New in your WordPress dashboard.
2Search for “debug” and install/activate a plugin like “WP Debugging” or “Query Monitor“.
3Follow the plugin’s instructions to enable debug mode.

Important Tips Before Enabling Debug Mode

  • Don’t forget to backup website
  • Enabling debug mode can slow down your website. It’s recommended to disable it after the troubleshooting.
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Meet the author
Syam K.S. is a digital marketing professional and trainer in Kerala. With over 18 years of experience, he is one of the leading SEO experts in Kerala. Syam serves as the lead trainer for our Digital Marketing course and online SEO course.

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