1
LiteSpeed Cache Included
CSS Combine and JS Combine, optionally including external and inline code.
94feature score
WordPress Caching & Speed Plugins with Combine files
Merges CSS/JS files. 11 of the 15 plugins we track include it.
2
xSpeed Cache Included
Combine CSS and JavaScript in the free plugin.
100feature score
3
WP Rocket Partial
Can combine JavaScript files; the old CSS combine option has been retired.
89feature score
4
NitroPack Paid version Starter
Combine CSS from Starter; intelligent JS combining on Plus.
87feature score
5
Hummingbird Included
Combine option per asset in Asset Optimization.
86feature score
6
W3 Total Cache Included
Minify module groups and combines CSS/JS files, with template-based grouping.
85feature score
7
WP-Optimize Included
Minify-and-merge mode combines CSS and JS files.
80feature score
8
WP Fastest Cache Included
Free Combine CSS and Combine JS; Premium adds Combine JS Plus.
73feature score
9
Autoptimize Included
Optional CSS/JS aggregation; off by default on new installs.
70feature score
10
Breeze Included
Separate Combine CSS and Combine JS options.
71feature score
11
Jetpack Boost Included
Concatenates JS and CSS files to reduce requests.
49feature score