Live from WordPress.org · Sep 29, 2026
Best Spam Blocker Plugins for WordPress
11 plugins are tagged “spam blocker” on WordPress.org. We rank them by active installs and score every one on update freshness, compatibility, ratings and support — so you can pick a safe one in seconds. The most popular right now is Zero Spam for WordPress with 20K+ active installs.
Top Spam Blocker plugins, head to head
All comparisons →How we rank
Popularity first, then a health check you can trust
Plugins are ordered the way WordPress.org ranks them for this category. Next to each one you’ll see its health score, so a popular-but-neglected option never sneaks into your stack.
- 25 Update freshness
- 20 Works with the latest WordPress
- 25 Rating, weighted by review count
- 15 Support threads resolved
- 15 Active installs
Popular plugins categories
FAQ
Quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 29, 2026
What is the most popular spam blocker plugin for WordPress?
Zero Spam for WordPress is the most popular spam blocker plugin with 20K+ active installs and a 4.1/5 rating on WordPress.org.
How many spam blocker plugins are on WordPress.org?
There are currently 11 plugins tagged “spam blocker” in the official WordPress.org plugin directory.
Which spam blocker plugin has the best rating?
Among the most-installed options, oopspam Anti-Spam: Spam Protection for WordPress Forms & Comments (No CAPTCHA) has the highest rating at 4.9/5 from 49 reviews.
Are these spam blocker plugins actively maintained?
4 of the top 11 spam blocker plugins were updated in the last 30 days. Check each plugin’s health score for update freshness, WordPress compatibility and support responsiveness.
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