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wp.org search vs our merit ranking: “remote comment 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 “remote comment spam”, we agree with wp.org on the top plugin, and our order differs from theirs on 12 of the top 20.

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 the install base is organic or host-pushed, and its risk of being pulled.

Ranked above its merit

Comment Blacklist Updater shows at wp.org #9 but places #20 on merit, a gap of 11 places. Its 800+ installs carry it up the search order; its 4.8★ average from 4 reviews, plus freshness and upkeep, place it lower on our volume-weighted scale.

Buried gem

Advanced Database Cleaner – Optimize & Clean Database to Speed Up Site Performance places #8 on merit, 4.9★ from 1962 reviews, but shows at wp.org #14. A smaller install base keeps it further down the default search order than its quality signals alone would.

How this rank is calculated

Each plugin's merit score multiplies these inputs together: how recently it was updated, how current its "tested up to" WordPress version is, its install base (log scale, capped at 10 million), its support thread resolution rate, and a rating score. The rating score weights the star average by review volume against a sitewide prior, then scales it by the lower bound of the share of 4 and 5 star reviews. A plugin with 3.7 stars from tens of thousands of reviews can still outscore a 4.9 with a few dozen, because the small sample carries less certainty.

A health factor between 0.4 and 1.15 then adjusts that score for what wp.org's search can't see: PHP fatals or failed activations on a test install, PHP and WordPress compatibility, memory and page-speed footprint, suspicious review patterns, closure risk, and a large install base with very few reviews. Clean, adopted plugins earn a small lift.

A keyword ranking starts from wp.org's search order for the term, weighting each position by 1 divided by its place, then applies the merit correction and health factor above. Relevance to the keyword stays in the result, so the order can differ from the all-categories list on /best, which scores plugins with no search term.

Hover a row to see the main reason for its position.

merit plugin wp.org
1 Anti-Spam, Spam FireWall by CleanTalk 200K+ · 4.8★ (3223) wp.org #1 2 Wordfence Security – Firewall, Malware Scan, and Login Security 5M+ · 4.7★ (5042) wp.org #2 3 All-In-One Security (AIOS) – Security and Firewall 1M+ · 4.7★ (1720) wp.org #4 1 too low 4 Jetpack – AI Agents & MCP, Security, Backup & Analytics 3M+ · 3.7★ (2408) wp.org #3 1 too high 5 Titan Anti-spam & Security – Brute Force Protection, 2FA & Spam Filter 50K+ · 4.5★ (370) wp.org #5 6 Zero Spam for WordPress 20K+ · 4.1★ (143) wp.org #6 7 WPBruiser Security – No CAPTCHA Anti-Spam & Login Protection 10K+ · 4.6★ (213) wp.org #8 1 too low 8 Advanced Database Cleaner – Optimize & Clean Database to Speed Up Site Performance 100K+ · 4.9★ (1962) wp.org #14 6 too low 9 Strong Testimonials 80K+ · 4.8★ (614) wp.org #13 4 too low 10 Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms 5K+ · 4.8★ (50) wp.org #7 3 too high 11 WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 1M+ · 4.8★ (2617) wp.org #15 4 too low 12 Site Reviews 60K+ · 4.9★ (378) wp.org #16 4 too low 13 AI Engine – MCP Server & AI Chatbot for WordPress, with Claude, ChatGPT & Gemini 90K+ · 4.9★ (874) wp.org #19 6 too low 14 hCaptcha for WP 70K+ · 4.6★ (88) wp.org #12 2 too high 15 Sucuri Security – Auditing, Malware Scanner and Security Hardening 600K+ · 4.2★ (386) wp.org #20 5 too low 16 Anti-Spam Protection – No API Key, GDPR Friendly 1K+ · 5.0★ (12) wp.org #10 6 too high 17 WP fail2ban – Advanced Security 60K+ · 4.2★ (71) wp.org #24 7 too low 18 Vigilant – 100% Free Security Suite: Firewall, 2FA, Login, Headers, Scanner… 3K+ · 5.0★ (24) wp.org #22 4 too low 19 Login Security Captcha 10K+ · 4.9★ (20) wp.org #23 4 too low 20 Comment Blacklist Updater 800+ · 4.8★ (4) wp.org #9 11 too high 21 Disable Everything 30K+ · 5.0★ (6) wp.org #18 3 too high 22 Comment Blacklist Manager 500+ · 4.4★ (5) wp.org #11 11 too high 23 Kadence Central – Site Management, Backups, Security, and Reporting 30K+ · 4.2★ (5) wp.org #17 6 too high 24 Ultimate Comment Cleaner – Remove Spam & Unwanted Comments, Delete Comments in Bulk 10+ · 5.0★ (1) wp.org #21 3 too high

Merit ranking caps the install boost at 10M (wp.org leaves it uncapped), replaces the raw star average with a volume-weighted 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.