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

Image Optimizer – Optimize Images and Convert to WebP or AVIF vs WP Fastest Cache – WordPress Cache Plugin - MakeWPFast
Image Optimizer – Optimize Images and Convert to WebP or AVIF
A-
1M+ installs · 1.6/5 rating
View full benchmark →
VS
WP Fastest Cache – WordPress Cache Plugin
A-
1M+ installs · 4.9/5 rating
View full benchmark →
Overall Winner
Head-to-Head Benchmark
MetricImage OptimizerWP Fastest Cache
⚡ Activation TTFB+-3 ms+0 ms
⚡ Activation Memory+0 MB+0 MB
⚡ Activation Queries+18+4
🏠 Homepage TTFB+0 ms+10 ms
🏠 Homepage Memory+0 MB+0 MB
🏠 Homepage Queries+0+4
⚙️ WP Admin TTFB+-10 ms+-9 ms
⚙️ WP Admin Memory+0 MB+0 MB
⚙️ WP Admin Queries+4+2

Feature-by-Feature Comparison

FeatureImage Optimizer – Optimize Images and Convert to WebP or AVIFWP Fastest Cache – WordPress Cache Plugin
Active Installs1.0M+1.0M+
User Rating1.5/54.9/5
Speed ScoreC+A-
Tested Up ToWP 6.9.1WP 6.9.1
Requires PHP7.4N/A
Last Updated2026-02-012026-02-10
Total Downloads12.3M+63.1M+
Verdict
FasterWp-fastest-cache
More FeaturesWp-fastest-cache
Overall WinnerWp-fastest-cache

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 →

Frequently Asked Questions

Which is faster, Image Optimizer – Optimize Images and Convert to WebP or AVIF or WP Fastest Cache – WordPress Cache Plugin?
Based on our heuristic analysis, WP Fastest Cache – WordPress Cache Plugin scores better on speed metrics.
Which should I use, Image Optimizer – Optimize Images and Convert to WebP or AVIF or WP Fastest Cache – WordPress Cache Plugin?
WP Fastest Cache – WordPress Cache Plugin is our overall recommendation based on speed, features, and user ratings.
Get WordPress Performance Tips

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

No spam. Unsubscribe anytime. We respect your privacy.