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Best HTML validation plugins for WordPress

The most popular HTML validation plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. HTML Validation leads with 300+ active installs. All 1 plugins tagged “html validation” 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 HTML validation plugins

  1. 1.
    HTML Validation

    The most installed HTML validation plugin, with 300+ active installs. Only 1 review so far, updated 2 months ago.

All 1 plugins tagged “html validation”