LiteSpeed Cache vs Image Optimizer – Optimize Images and Convert to WebP or AVIF: Which Is Faster for WordPress?

LiteSpeed Cache vs Image Optimizer – Optimize Images and Convert to WebP or AVIF - MakeWPFast
LiteSpeed Cache
B+
7M+ installs · 4.8/5 rating
View full benchmark →
Overall Winner
VS
Image Optimizer – Optimize Images and Convert to WebP or AVIF
A-
1M+ installs · 1.6/5 rating
View full benchmark →
Head-to-Head Benchmark
MetricLiteSpeed CacheImage Optimizer
⚡ Activation TTFB+-6 ms+-3 ms
⚡ Activation Memory+0 MB+0 MB
⚡ Activation Queries+1+18
🏠 Homepage TTFB+19 ms+0 ms
🏠 Homepage Memory+2 MB+0 MB
🏠 Homepage Queries+3+0
⚙️ WP Admin TTFB+0 ms+-10 ms
⚙️ WP Admin Memory+2 MB+0 MB
⚙️ WP Admin Queries+7+4

Feature-by-Feature Comparison

FeatureLiteSpeed CacheImage Optimizer – Optimize Images and Convert to WebP or AVIF
Active Installs7.0M+1.0M+
User Rating4.8/51.5/5
Speed ScoreA-C+
Tested Up ToWP 6.9.1WP 6.9.1
Requires PHP7.27.4
Last Updated2025-12-162026-02-01
Total Downloads124.0M+12.3M+
Verdict
FasterLitespeed-cache
More FeaturesLitespeed-cache
Overall WinnerLitespeed-cache
Full Reviews
LiteSpeed Cache Performance ReviewImage Optimizer – Optimize Images and Convert to WebP or AVIF Performance Review
⚡

Not sure which plugin is slowing you down?

WP Multitool's Slow Query Analyzer pinpoints exactly which plugins cause the most database load on your site.

Try WP Multitool →
Get WordPress Performance Tips

Plugin reviews, speed optimization guides, and error debugging — straight to your inbox.

No spam. Unsubscribe anytime. We respect your privacy.