WP Smush
1M+ active installs · Rated 4.8/5 · Updated October 20, 2026
An image optimisation plugin that compresses and resizes images, enables lazy loading, converts to modern formats such as WebP and AVIF, and offers a global image CDN. It suits sites with many photos or media-heavy pages. A free version includes bulk compression, while a paid Pro plan adds stronger compression and the CDN.
Pros
- 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
- WebP, AVIF, resizing and the image CDN need Smush Pro
- Images are sent to the WPMU DEV API for compression
Topics: Speed Optimization plugins , Image Optimizer plugins
Mentioned in
- Best Image Optimizer WordPress Plugins (Free and Paid)
- Best Speed Optimization WordPress Plugins (Free And Paid)
- 20+ Must Have WordPress Plugins – Essential Plugins for Professional WordPress Websites
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