1
LiteSpeed Cache Included
Lossless/lossy compression processed by QUIC.cloud within a free monthly quota.
94feature score
WordPress Caching & Speed Plugins with Image compression
Compresses uploaded images. 12 of the 15 plugins we track include it.
2
xSpeed Cache Paid version Pro
WebP/AVIF conversion, bulk conversion and AI Smart Image are Pro.
100feature score
3
FlyingPress Included
Built-in lossy or lossless image compression (added in v5.3).
97feature score
4
WP Rocket Via add-on
Compression is provided by the separate Imagify plugin (free tier, paid plans).
89feature score
5
NitroPack Paid version Starter
Lossy and lossless image compression from Starter.
87feature score
6
Hummingbird Via add-on
Handled by WPMU DEV's sister plugin Smush (free, with Pro tier).
86feature score
7
W3 Total Cache Partial
Image Converter changes format via BoldGrid API; no separate compression of originals.
85feature score
8
WP-Optimize Included
Lossy/lossless compression with bulk and auto-compress.
80feature score
9
WP Fastest Cache Paid version Premium
Premium compresses JPEG and PNG images while keeping quality.
73feature score
10
Autoptimize Included
Optional on-the-fly optimisation via ShortPixel's CDN; usage limits apply.
70feature score
11
Jetpack Boost Included
Image CDN resizes and compresses images; quality controls on paid plan.
49feature score
12
Cache Enabler Via add-on
Compression via KeyCDN's separate Optimus plugin (freemium).
36feature score