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Best system diagnostics plugins for WordPress

The most popular system diagnostics plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Health Monitor leads with 50+ active installs. All 1 plugins tagged “system diagnostics” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 1 system diagnostics plugins

  1. 1.
    Health Monitor

    The most installed system diagnostics plugin, with 50+ active installs. No reviews yet, updated 1 week ago.

All 1 plugins tagged “system diagnostics”