ShortPixel Image Optimizer vs WP-Optimize
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | ShortPixel Image Optimizer v6.6.1 · checked 23 Oct 2026 Free + paid · ★ 4.5/5 Visit Details | WP-Optimize v4.7.0 · checked 23 Oct 2026 Free · ★ 4.8/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 300,000+ | 1M+ |
| Last updated | October 14, 2026 | September 21, 2026 |
| Editions | ShortPixel Image Optimizer | WP-Optimize · WP-Optimize Premium ($) |
| Pros | Compression, WebP and AVIF conversion; Bulk optimisation and resizing; Multisite support | Page, browser and minified-asset caching in the free edition; Database cleanup for revisions, spam, tables and more; Image compression and WebP conversion |
| Cons | Needs a ShortPixel account key; Optimisation uses a credit quota, paid above the free allowance; AI features have their own monthly quota | Unused CSS, Google Fonts hosting and Cloudflare purge are paid; Image compression relies on the reSmush.it service; Many scheduled background jobs run on the site |
| Mentioned in our posts | 1 | 1 |
| More features | ||
| Other features | Image compression and conversion, Bulk optimisation, Custom optimisation page, Network settings for multisite, AI file renaming (monthly AI quota) ($), Buy more credits upsell ($) | Image compression through reSmush.it, WebP conversion of compressed images, Scheduled page cache preload, 404 error log with daily pruning, Gzip compression test, Spam comment review link, Unused CSS removal ($), Local hosting of Google Fonts ($) |
| Integrations | ||
| E-commerce | WooCommerce | — |
| Plugins | WPML, Gravity Forms, Yoast SEO | — |
| Other | ShortPixel API, Cloudflare API | reSmush.it, checkgzipcompression.com, Cloudflare ($) |
| Requires WordPress | 5.9.0 | 4.9 |
| Requires PHP | 7.4 | 7.2 |
| Tested up to | 7.1 | 7.1 |
| Phones home | Only if you agree | No |
| External services | api.cloudflare.com, api.shortpixel.com | checkgzipcompression.com, api.resmush.it, plugins.svn.wordpress.org, teamupdraft.com |
| Custom tables | 4 | — |