ShortPixel Image Optimizer vs WP Smush
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| Feature | ShortPixel Image Optimizer v6.6.1 · checked 23 Oct 2026 Free + paid · ★ 4.5/5 Visit Details | WP Smush v4.3.5 · checked 23 Oct 2026 Free + paid · ★ 4.8/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 300,000+ | 1M+ |
| Last updated | October 14, 2026 | October 20, 2026 |
| Editions | ShortPixel Image Optimizer | Smush · Smush Pro ($) |
| Pros | Compression, WebP and AVIF conversion; Bulk optimisation and resizing; Multisite support | Bulk and on-upload image compression at no cost; Lazy loading for images and embedded video; Works with common page builders, WooCommerce and caching plugins |
| Cons | Needs a ShortPixel account key; Optimisation uses a credit quota, paid above the free allowance; AI features have their own monthly quota | WebP, AVIF, resizing and the image CDN need Smush Pro; Images are sent to the WPMU DEV API for compression |
| Mentioned in our posts | 1 | 3 |
| More features | ||
| Other features | Image compression and conversion, Bulk optimisation, Custom optimisation page, Network settings for multisite, AI file renaming (monthly AI quota) ($), Buy more credits upsell ($) | Bulk compression of the media library, Lazy loading for images and embedded video, WebP and AVIF conversion (Pro) ($) |
| Integrations | ||
| E-commerce | WooCommerce | WooCommerce |
| Plugins | WPML, Gravity Forms, Yoast SEO | WP Rocket, Elementor, Divi, Gravity Forms |
| Other | ShortPixel API, Cloudflare API | WPMU DEV Smush API |
| Requires WordPress | 5.9.0 | 6.4 |
| Requires PHP | 7.4 | 7.4 |
| Tested up to | 7.1 | 7.1 |
| Phones home | Only if you agree | Only if you agree |
| External services | api.cloudflare.com, api.shortpixel.com | smushpro.wpmudev.com |
| Custom tables | 4 | 1 |