Aug 022018

Test WP Files Integrity Using Health Check Plugin Tools post shows you how to run a file integrity test in your site and more using a couple of tools.

Last Updated: September 11, 2022

Latest News: I updated the information.

The following tools are very basic but are very important. They will check to make sure the integrity of your WordPress installations core files are correct and not corrupted. You will also be able to test the e-mail functionality of your site using wp_mail() function.

There are other tools you can use to troubleshoot issues you come across in your site but for most of you running the basic test is more than enough and a starting point. Anything beyond that would require a developer and or someone with plenty of WordPress knowledge.

Health Check Tutorials:

Test WP Files Integrity Using Health Check Plugin Tools

Step 1 ) Go to Tools -> Site Health -> Tools as illustrated in the following image to run a couple of tools.

Health Check Tools

  • File integrity
  • Mail check
  • Plugin compatibility
  • PHP Info


File Integrity

Step 2 ) The following image allows you to click on Check the Files Integrity button to run a check on all core files.


Mail Check

Step 3 ) The following image allows you to test if the mail sending option in your site is working.

Mail Check Options

  • E-mail
  • Additional Message
  • Click on Send test mail button when you are ready to run the test.


Plugin Compatibility

Step 4 ) The following image allows you to click on Plugin compatibility button to run a check on all core files.

Plugin Compatibility Options

  • Plugin
  • Version
  • Minimum PHP
  • Highest supported PHP
  • Click on Check plugins button when you are ready to run the test.


The few test above can help you make sure the default functionality of your WordPress site is working as intended.

I will update this tutorial from time to time. Make sure you come back for the latest updates.

If you have any questions please let me know.


I have been working in IT since 1999 and I enjoy the challenges it brings me. I love developing websites with WordPress. I spend a lot of time helping out in forums. I have been writing tutorials since 2011. Now I am learning how to manage my own VPS "Virtual Private Server.

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