1
LiteSpeed Cache Included
Load CSS Asynchronously generates critical CSS via QUIC.cloud.
94feature score
WordPress Caching & Speed Plugins with Critical CSS
Inlines above-the-fold CSS. 9 of the 15 plugins we track include it.
2
xSpeed Cache Paid version Pro
Critical CSS generation is Pro-only.
100feature score
3
FlyingPress Included
Inlines the generated used CSS in the page head for first render.
97feature score
4
WP Rocket Included
Load CSS asynchronously generates critical CSS per page, with fallback CSS.
89feature score
5
NitroPack Paid version Starter
Generates critical CSS in the cloud; part of Starter's CSS optimisation.
87feature score
6
Hummingbird Paid version Pro
Automatic critical CSS generation, incl. separate mobile CSS.
86feature score
7
W3 Total Cache Partial Pro
Pro's Eliminate Render-Blocking CSS inlines minified CSS; no true critical CSS generation.
85feature score
8
Autoptimize Included
Inline & defer CSS; manual rules free, automatic via criticalcss.com key or Pro.
70feature score
9
Jetpack Boost Included
Manual generation free; automatic regeneration on paid plan.
49feature score