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wp.org search vs our merit ranking: “block spam”

wp.org orders by popularity, so a plugin a host bundled onto millions of sites, or a big-brand one that's slow and mediocre, can sit at the top. Our ranking is built to answer a different question: which of these is actually worth installing. How this works →

For “block spam”, we agree with wp.org on the top plugin, and our order differs from theirs on 9 of the top 20. 3 plugins are pushed down for signals wp.org ignores: errors, a host-installed base, or removal risk.

wp.org search ranks on

Install count (uncapped), the raw star average, freshness, and support. Popularity dominates, so the biggest install base usually wins regardless of how it got there.

We add

A cap on the install boost, volume-weighted ratings, and signals wp.org can't see: whether it throws errors on current PHP, whether the install base is organic or host-pushed, and its risk of being pulled.

Ranked above its merit

Dam Spam shows at wp.org #11 but places #22 on merit, a gap of 11 places. Its 3K+ installs carry it up the search order; its 4.3★ average from 4 reviews, plus freshness and upkeep, place it lower on our volume-weighted scale.

Buried gem

All-In-One Security (AIOS) – Security and Firewall places #8 on merit, 4.7★ from 1720 reviews, but shows at wp.org #12. A smaller install base keeps it further down the default search order than its quality signals alone would.

merit plugin wp.org
1 Anti-Spam, Spam FireWall by CleanTalk 200K+ · 4.8★ (3220) wp.org #1 2 Akismet Anti-spam: Spam Protection 5M+ · 4.7★ (1187) wp.org #2 ↑1 3 Spam Protection | Maspik 30K+ · 4.7★ (87) wp.org #3 ↓1 4 Wordfence Security – Firewall, Malware Scan, and Login Security 5M+ · 4.7★ (5039) wp.org #4 5 WP Armour – Honeypot Anti Spam 400K+ · 5.0★ (1471) wp.org #6 1 too low 6 Jetpack – AI Agents & MCP, Security, Backup & Analytics 3M+ · 3.7★ (2408) wp.org #5 1 too high 7 Titan Anti-spam & Security – Brute Force Protection, 2FA & Spam Filter 50K+ · 4.5★ (370) wp.org #8 ↓1 1 too low 8 All-In-One Security (AIOS) – Security and Firewall 1M+ · 4.7★ (1720) wp.org #12 ↓1 4 too low 9 ActiveLayer Anti-Spam: Spam Protection for Forms & Comments 10K+ · 4.9★ (10) wp.org #7 ↑2 2 too high 10 Gravity Forms Zero Spam 100K+ · 4.3★ (24) wp.org #9 ↓1 1 too high 11 oopspam Anti-Spam: Spam Protection for WordPress Forms & Comments (No CAPTCHA) 6K+ · 4.9★ (51) wp.org #14 3 too low 12 Zero Spam for WordPress 20K+ · 4.1★ (143) wp.org #10 ↑3 2 too high 13 iQ Block Country 20K+ · 3.9★ (166) wp.org #16 3 too low 14 WPBruiser Security – No CAPTCHA Anti-Spam & Login Protection 10K+ · 4.6★ (213) wp.org #24 10 too low 15 Antispam Bee 700K+ · 4.8★ (226) wp.org #22 ↑1 7 too low 16 Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms 4K+ · 4.8★ (50) wp.org #20 ↑4 4 too low 17 Anti-spam Reloaded 1K+ · 5.0★ (14) wp.org #17 18 Anti-Spam Protection – No API Key, GDPR Friendly 1K+ · 5.0★ (12) wp.org #21 ↑1 3 too low 19 Block Specific Spam Woo Orders 1K+ · 5.0★ (10) wp.org #13 ↓1 6 too high 20 T Throws SPAM Away 10K+ · 5.0★ (6) wp.org #15 5 too high 21 SilentShield – Captcha & Anti-Spam for WordPress (CF7, WPForms, Elementor, WooCommerce) 10K+ · 4.7★ (24) wp.org #23 ↓2 2 too low 22 Dam Spam 3K+ · 4.3★ (4) wp.org #11 ↓1 11 too high 23 Block Referer Spam 500+ · 3.4★ (21) wp.org #18 5 too high 24 En Spam 500+ · 4.1★ (7) wp.org #19 ↑1 5 too high

Merit ranking caps the install boost at 1M (wp.org leaves it uncapped), replaces the raw star average with a volume-weighted Bayesian score and a Wilson lower bound, and keeps wp.org's own freshness and compatibility decays. Method from the plugin-directory source; see Meta Trac #8298. Positions are tracked daily from the first visit to a keyword, so the small arrows show movement since tracking began.