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Best block spam comments plugins for WordPress

The most popular block spam comments plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. TomS reCAPTCHA leads with 500+ active installs, ahead of Block Spam Comments (10+) and Radical (10+). All 4 plugins tagged “block spam comments” 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 block spam comments plugins

  1. 1.
    TomS reCAPTCHA

    The most installed block spam comments plugin, with 500+ active installs. Only 1 review so far, last updated 3 years ago. Tested only up to WordPress 6.2.15.

  2. 2.
    Block Spam Comments

    10+ active installs. Only 2 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.1.42.

  3. 3.
    Radical

    10+ active installs. No reviews yet, last updated 4 years ago. Tested only up to WordPress 5.8.19.

  4. 4.
    TomS Vaptcha

    Fewer than 10 active installs. No reviews yet, last updated 4 years ago. Tested only up to WordPress 5.9.20.

All 4 plugins tagged “block spam comments”