Best system check plugins for WordPress
The most popular system check plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. RSFirewall! leads with 4K+ active installs. All 1 plugins tagged “System Check” 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.
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Top 1 system check plugins
- 1.
RSFirewall!The most installed system check plugin, with 4K+ active installs. Rated 5.0 from 5 reviews, updated 6 days ago.