Page Optimize vs WP Smush

Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.

Feature Page Optimize v0.6.4 · checked 23 Oct 2026 Free · ★ 3.0/5 Visit Details WP Smush v4.3.5 · checked 23 Oct 2026 Free + paid · ★ 4.8/5 Visit Details
At a glance
Active installs 200,000+ 1M+
Last updated October 19, 2026 October 20, 2026
Editions Page Optimize Smush · Smush Pro ($)
Pros Combines CSS and JavaScript into fewer requests; Long browser cache headers on combined files; Free, from Automattic Bulk and on-upload image compression at no cost; Lazy loading for images and embedded video; Works with common page builders, WooCommerce and caching plugins
Cons Does not cache full pages; CSS minification is off by default; Development is limited to a small plugin; check compatibility with your theme WebP, AVIF, resizing and the image CDN need Smush Pro; Images are sent to the WPMU DEV API for compression
Mentioned in our posts — 3
Features (Speed Optimization plugins checklist)
Page cache No —
Browser cache Yes —
Minify CSS/JS Yes —
CDN No Yes
Object cache No —
Database cleanup No —
Free version Yes Yes
More features
Other features CSS concatenation, JavaScript concatenation, Scheduled cleanup of combined cache files, Skips optimization in the Divi front-end builder Bulk compression of the media library, Lazy loading for images and embedded video, WebP and AVIF conversion (Pro) ($)
Integrations
E-commerce — WooCommerce
Plugins Divi, Jetpack WP Rocket, Elementor, Divi, Gravity Forms
Other — WPMU DEV Smush API
Requires WordPress 5.3 6.4
Requires PHP 7.4 7.4
Tested up to 7.0 7.1
Phones home No Only if you agree
External services — smushpro.wpmudev.com
Custom tables — 1