wp.org search vs our merit ranking: “duplicate email”
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 “duplicate email”, we and wp.org disagree on the top plugin, and our order differs from theirs on 10 of the top 20. 5 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
Duplicate Killer – Prevent Duplicate Form Submissions shows at wp.org #5 but places #19 on merit, a gap of 14 places. Its 1K+ installs carry it up the search order; its 5.0★ average from 3 reviews, plus freshness and upkeep, place it lower on our volume-weighted scale.
Buried gem
Anti-Spam, Spam FireWall by CleanTalk places #11 on merit, 4.8★ from 3221 reviews, but shows at wp.org #20. A smaller install base keeps it further down the default search order than its quality signals alone would.
Delete Duplicate Posts 10K+ · 4.8★ (153)
wp.org #2 1 too low 2 
FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution 80K+ · 4.8★ (250)
wp.org #3 1 too low 3 
WP Duplicate Page 60K+ · 4.2★ (16) thin reviews
wp.org #1 2 too high 4 
Post SMTP – Complete Email Delivery and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App 300K+ · 4.7★ (528)
wp.org #4 5 
Admin and Site Enhancements (ASE) 200K+ · 5.0★ (423)
wp.org #6 1 too low 6 
WPvivid — Backup, Migration & Staging 900K+ · 4.9★ (1568)
wp.org #8 2 too low 7 
YayMail – WooCommerce Email Customizer 50K+ · 4.8★ (291)
wp.org #9 2 too low 8 
WP STAGING – Backups & Restore, Migration & Clone Plugin – Cloud Backups, Scheduled Backups 100K+ · 4.8★ (2470)
wp.org #14 6 too low 9 
Floating Chat Widget: Contact Chat Icons, Telegram Chat, Line Messenger, WeChat, Email, SMS, Call Button – Chaty 300K+ · 5.0★ (1244)
wp.org #13 4 too low 10 
Cart Abandonment Recovery for WooCommerce – Recover Lost Sales with Automated Emails 300K+ · 4.8★ (626) throws errorsnot PHP-current
wp.org #7 3 too high 11 Anti-Spam, Spam FireWall by CleanTalk 200K+ · 4.8★ (3221)
wp.org #20 9 too low 12 
Easy WP SMTP – WordPress SMTP and Email Logs: Gmail SMTP, Office 365, Outlook, Custom SMTP, and more 500K+ · 4.6★ (709)
wp.org #17 5 too low 13 
Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 40K+ · 4.8★ (90)
wp.org #15 2 too low 14 
Contact Form Email 8K+ · 4.3★ (102) not PHP-current
wp.org #11 3 too high 15 
LiteSpeed Cache 7M+ · 4.8★ (2778)
wp.org #23 8 too low 16 
PublishPress Revisions: Duplicate Posts, Submit, Approve and Schedule Content Changes 10K+ · 4.6★ (66)
wp.org #16 17 
Orbit Fox: Duplicate Page, Menu Icons, SVG Support, Cookie Notice, Custom Fonts & More 100K+ · 4.8★ (317) not PHP-current
wp.org #19 2 too low 18 
Mail Mint – Email Marketing, Automation & WooCommerce Emails with AI Assistance 4K+ · 4.7★ (125)
wp.org #21 3 too low 19 Duplicate Killer – Prevent Duplicate Form Submissions 1K+ · 5.0★ (3) thin reviews
wp.org #5 14 too high 20 
Noptin – Newsletter, New Post Notifications & Email Automation 10K+ · 4.5★ (120) throws errorsnot PHP-current
wp.org #24 4 too low 21 
Email Marketing Plugin – WP Email Capture 1K+ · 4.3★ (19) throws errorsnot PHP-current thin reviews
wp.org #12 9 too high 22 
Duplicate Title Validator 300+ · 5.0★ (4) not PHP-current thin reviews
wp.org #10 12 too high 23 
Pixeline’s Email Protector 900+ · 4.3★ (8) thin reviews
wp.org #18 5 too high 24 
Benchmark Email Lite 1K+ · 4.0★ (3) throws errorsnot PHP-current thin reviews
wp.org #22 2 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.