Limited-Time Offer

Get Extra 20% off on FullCharge Yearly Plan — available for first 10 users only. Don’t miss out! 🚀

TrackWP

Best w3c validation plugins for WordPress

The most popular w3c validation plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. W3C validation auto check leads with 60+ active installs, ahead of (x)html easy validator (10+). All 2 plugins tagged “w3c 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 2 w3c validation plugins

  1. 1.
    W3C validation auto check

    The most installed w3c validation plugin, with 60+ active installs. Only 1 review so far, last updated 14 years ago. Tested only up to WordPress 3.3.2.

  2. 2.
    (x)html easy validator

    10+ active installs. Only 1 review so far, last updated 15 years ago. Tested only up to WordPress 3.2.1.

All 2 plugins tagged “w3c validation”