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Best referral spam plugins for WordPress

The most popular referral spam plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Analytics Spam Blocker leads with 800+ active installs, ahead of WP referrer spam blacklist (fight 2040+ Referrer Spammers in (Google/Matomo) Analytics) (600+) and Block Referer Spam (500+). All 5 plugins tagged “referral spam” 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 5 referral spam plugins

  1. 1.
    Analytics Spam Blocker

    The most installed referral spam plugin, with 800+ active installs. Rated 3.9 from 14 reviews, updated 10 months ago. Tested only up to WordPress 6.9.11.

  2. 2.
    WP referrer spam blacklist (fight 2040+ Referrer Spammers in (Google/Matomo) Analytics)

    600+ active installs. Only 3 reviews so far, last updated 5 years ago. Tested only up to WordPress 5.6.23.

  3. 3.
    Block Referer Spam

    500+ active installs. Rated 3.4 from 21 reviews, updated 2 months ago.

  4. 4.
    Custom Referral Spam Blocker

    300+ active installs. Rated 4.0 from 10 reviews, last updated 9 years ago. Tested only up to WordPress 4.7.39.

  5. 5.
    Block Referral Spam

    200+ active installs. Rated 4.1 from 9 reviews, last updated 9 years ago. Tested only up to WordPress 4.8.34.

All 5 plugins tagged “referral spam”