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
C+
1M+ installs · 1.5/5 rating
VS
WP Fastest Cache – WordPress Cache Plugin
A-
1M+ installs · 4.9/5 rating
Overall Winner

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
Full Reviews
Image Optimizer – Optimize Images and Convert to WebP or AVIF Performance ReviewWP Fastest Cache – WordPress Cache Plugin Performance Review

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.
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