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Best client side comment form validation plugins for WordPress

The most popular client side comment form validation plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Comment Form Js Validation leads with 2K+ active installs, ahead of Comment Form Validation (100+) and WP Comment Form Js Validation (10+). All 4 plugins tagged “Client side comment form 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 4 client side comment form validation plugins

  1. 1.
    Comment Form Js Validation

    The most installed client side comment form validation plugin, with 2K+ active installs. Rated 5.0 from 5 reviews, last updated 2 years ago. Tested only up to WordPress 6.4.14.

  2. 2.
    Comment Form Validation

    100+ active installs. Only 2 reviews so far, last updated 6 years ago. Tested only up to WordPress 5.5.24.

  3. 3.
    WP Comment Form Js Validation

    10+ active installs. Only 2 reviews so far, last updated 6 years ago. Tested only up to WordPress 5.2.30.

  4. 4.
    WP Advance Comment Form Validation

    10+ active installs. No reviews yet, last updated 8 years ago. Tested only up to WordPress 4.9.35.

All 4 plugins tagged “Client side comment form validation”