Health Check & Troubleshooting


Dieses Plugin führt eine Reihe von Tests auf deiner WordPress-Installation aus, um häufige Konfigurationsfehler und bekannte Probleme zu finden. Auch erlaubt es Plugins und Themes, ihre eigenen Tests beizusteuern.

Es gibt auch einen Abschnitt zur Fehlerdiagnose, der dir ermöglicht, Informationen über deine WordPress-Installation und die Server-Konfiguration zu sammeln, die du dann einfach mit dem Support für Themes, Plugins oder im offiziellen Supportforum von teilen kannst.

Troubleshooting allows you to have a clean WordPress session, where all plugins are disabled, and a default theme is used, but only for your user until you disable it or log out.

The Tools section allows you to check that WordPress files have not been tampered with, that emails can be sent, and if your plugins are compatible with any PHP version updates in the future.

For a more extensive example of how to efficiently use the Health Check plugin, check out the support team handbook page about this plugin.

Feedback is welcome both through the forums, the GitHub project page, or on Slack in either #forums or #core-site-health.


  • The health check screen after the automated tests have gone over the system.
  • The debug information, with the copy and paste field expanded.
  • A selection of tools that can be ran on your site.
  • Troubleshooting mode enabled, showing your website Dashboard


I am unable to access my site after enabling troubleshooting

If you should find your self stuck in Troubleshooting Mode for any reason, you can easily disable it by clearing your cookies.

Are you unfamiliar with how to clear your cookies? No worries, you may also close all your browser windows, or perform a computer restart and it will clear this specific cookie automatically.

The PHP compatibility says this plugin only work with PHP version X?

The plugin is made to be a support tool for as many users as possible, this means it needs code that is written for older sites as well.

Werkzeuge, die auf PHP-Kompatibilität prüfen, können diesen und den tatsächlich verwendeten Code nicht unterscheiden und melden fälschlicherweise ein Problem.

Das Plugin wurde bisher mit jeder PHP-Version von 5.2 bis 7.3 getestet und funktioniert mit allen davon.


28. Juli 2022
Просто спасибо. Офигенно удобно делать диагностику на рабочем сайте
22. Juli 2022
Extension installée sur tous les sites que j'utilise pour vérifier que tout va bien!
21. Mai 2022
Halfway through using in troubleshooting mode it suddenly makes half the plugins unviewable. I cancel out of the health check troubleshoot mode and have to manually reinstate the plugins. Can't trust this plugin - needs more work.
11. März 2022
After enabling troubleshooting mode I began enabling plugins one by one. After the second one the list of plugins disappeared. I exited troubleshooting mode and all plugins were disabled for all users.
27. Januar 2022
When this plugin was installed, I had a Site Health Status message that said "Background updates are not working as expected." I deleted the plugin. Now my Site Health Status says "Great job! Your site currently passes all site health checks."
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Mitwirkende & Entwickler

„Health Check & Troubleshooting“ ist Open-Source-Software. Folgende Menschen haben an diesem Plugin mitgewirkt:


„Health Check & Troubleshooting“ wurde in 28 Sprachen übersetzt. Danke an die Übersetzerinnen und Übersetzer für ihre Mitwirkung.

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v1.5.0 (2022-09-10)

  • Added a custom filter for the Health Check plugin PHP Compatibility check.
  • Added functions which will try to disable cache solutions during troubleshooting.
  • Added ability to force changes if loopbacks fail during troubleshooting.
  • Changed how JavaScript is built and bundled in the plugin.
  • Changed the location of the phpinfo() check to the Tools section.
  • Changed how troubleshooting mode implements its conditional actions and filters when enabled.
  • Fixed styling issues for troubleshooting mode in WordPress 5.9.
  • Removed Site Health Status from the plugin, as they were implemented in WordPress 5.2.


  • Fix Troubleshooting Mode throwing errors in frontend on WordPress 5.5


  • Fixed hidden JavaScript warning when using troubleshooting mode on the Dashboard
  • Fixed plugin and theme lists staying hidden in troubleshooting mode on the Dashboard


  • Compatibility with WordPress 5.4


  • Fix missing headers for a loopback request in the debug section


  • Fixed SQL version checks for various MariaDB installs.
  • Fixed a warning being generated in logfiles for first-time users with no existing Site Health history.
  • Added missing translation function for the new PHP compatibility tool.


  • Fix a bug when viewing the Site Health page if enabling the Health Check plugin in troubleshooting mode.
  • Fix an inconsistency with how database versions are checked.
  • Fix the file comparison view on Windows systems if there are modified core files.
  • Fix a bug where some premium plugins could not be enabled in troubleshooting mode
  • Improved styles for older browsers.
  • Improved the PHP module checks to allow for constant checks as well. Should help with some edge case tests.
  • Improved the core file integrity checker.
  • Improved testing of WP_cron, now works properly for those running a „real cron“ outside of WordPress.
  • Improved the htaccess rule test to only run if using an Apache server that supports these.
  • Modify the Site Health grading indicator.
  • Modified strings to make them clearer.
  • Added server headers to the Debug information.
  • Added polyfills for core features from WordPress 5.2 so they work for older sites.
  • Added a link to the Site Health page from the plugin overview.
  • Added a custom capability, view_site_health_checks for the plugin.
  • Added support for parent/child theme output in the Debug screen.
  • Added system user information to the Debug information.
  • Added a Site Health test for timezone localization.
  • Added mbstring and json (again) as requirements to the list of PHP extensions.
  • Added a missing toggle to the list of plugins/themes to the troubleshooting dashboard widget.
  • Added bulk actions to enable or disable plugins when troubleshooting, or to initiate troubleshooting mode.
  • Added plugin compatibility checker ot the tools section.
  • Added a dashboard widget to show your Site Health status at a glance when logging in.
  • Added filters for Site Health test results.
  • Added WP-CLI support, you can now run wp health-check status for a list of test and their status.
  • Moved compatibility functions out of primary files and into a compat.php so they can be conditionally loaded.
  • Disable the Fatal Error (WSOD) protection in WordPress while in troubleshooting mode.