wp.org search vs our merit ranking: “defer css javascript”
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 “defer css javascript”, we agree with wp.org on the top plugin, and our order differs from theirs on 8 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
Page Optimize shows at wp.org #17 but places #24 on merit, a gap of 7 places. Its 200K+ installs carry it up the search order; its 3.0★ average from 5 reviews, plus freshness and upkeep, place it lower on our volume-weighted scale.
Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN 70K+ · 4.7★ (1488)
wp.org #1 2 
LiteSpeed Cache 7M+ · 4.8★ (2778)
wp.org #2 3 
Autoptimize 800K+ · 4.7★ (1428)
wp.org #4 1 too low 4 
W3 Total Cache 900K+ · 4.4★ (5420)
wp.org #5 ↑8 1 too low 5 
Jetpack Boost – Website Speed, Performance and Critical CSS 200K+ · 4.7★ (612)
wp.org #6 ↓1 1 too low 6 
CSS JS Manager, Async JavaScript, Defer Render Blocking CSS 1K+ · 4.8★ (90) throws errorsnot PHP-current
wp.org #3 3 too high 7 
WP Fastest Cache – WordPress Cache Plugin 1M+ · 4.9★ (4228)
wp.org #8 ↓1 1 too low 8 
Super Page Cache – Cloudflare Cache, Page Speed & Core Web Vitals 70K+ · 4.8★ (517)
wp.org #10 ↓1 2 too low 9 
Page Speed Optimizer: HTTP/2 Push, Async JavaScript, and Defer CSS 6K+ · 4.7★ (64)
wp.org #7 ↓1 2 too high 10 
Clearfy Cache – WordPress optimization plugin, Minify HTML, CSS & JS, Defer 40K+ · 4.7★ (339)
wp.org #12 ↓1 2 too low 11 
WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 1M+ · 4.8★ (2617)
wp.org #13 ↓3 2 too low 12 D Debloat – Remove Unused CSS, Optimize JS 30K+ · 4.8★ (41)
wp.org #9 ↑5 3 too high 13 
Embed Plus for YouTube Gallery, Livestream and Lazy Loading with Facades 100K+ · 4.6★ (572)
wp.org #16 3 too low 14 
Speed Optimizer – The All-In-One Performance-Boosting Plugin 1M+ · 4.2★ (641)
wp.org #11 ↓3 3 too high 15 
10Web Booster – Website speed optimization, Cache & Page Speed optimizer 60K+ · 4.6★ (405)
wp.org #21 ↑3 6 too low 16 
BerqWP – All-In-One Optimization for Core Web Vitals, Cache, CDN, Images, CSS & JavaScript 4K+ · 4.3★ (54)
wp.org #14 ↓2 2 too high 17 
LazyLoad Plugin – Lazy Load Images, Videos, and Iframes 100K+ · 4.2★ (139)
wp.org #20 3 too low 18 
WPSpeed – WordPress Speed, Cache & Performance Optimization (Core Web Vitals, PageSpeed 100) 2K+ · 4.9★ (40)
wp.org #22 ↓1 4 too low 19 
WP Coder – Insert & Manage Code Snippets 10K+ · 4.9★ (32)
wp.org #23 4 too low 20 
PageSpeed Ninja – Cache, Minify, Defer CSS JavaScript, Critical CSS, Optimize Images, Convert WebP 5K+ · 4.5★ (114) throws errorsnot PHP-currentclosure risk
wp.org #18 2 too high 21 
Easy Optimizer – PageSpeed, Cache & Core Web Vitals (Unused CSS, Delay JS, Lazy Load) 1K+ · 4.6★ (18) thin reviews
wp.org #15 6 too high 22 
LWS Optimize – All-in-One Speed Booster & Cache Tools 20K+ · 4.6★ (9) thin reviews
wp.org #19 3 too high 23 
SpeedyCache – Cache, Optimization, Performance 500K+ · 4.4★ (30) host-installed base
wp.org #24 ↓2 1 too low 24 P Page Optimize 200K+ · 3.0★ (5) host-installed base thin reviews
wp.org #17 7 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.