Imsanity vs WP-Optimize
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Imsanity v2.9.4 · checked 23 Oct 2026 Free · ★ 4.9/5 Visit Details | WP-Optimize v4.7.0 · checked 23 Oct 2026 Free · ★ 4.8/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 200,000+ | 1M+ |
| Last updated | August 20, 2026 | September 21, 2026 |
| Editions | Imsanity | WP-Optimize · WP-Optimize Premium ($) |
| Pros | Resizes uploads automatically, with no action from the contributor; Separate size limits for Media Library and other uploads; Bulk resize and per-image resize from the Media Library | Page, browser and minified-asset caching in the free edition; Database cleanup for revisions, spam, tables and more; Image compression and WebP conversion |
| Cons | Replaces the original, so the full-size file cannot be recovered; Uses the standard WordPress resize, so output is not heavily optimised; No paid edition; support is through the WordPress.org forum | Unused CSS, Google Fonts hosting and Cloudflare purge are paid; Image compression relies on the reSmush.it service; Many scheduled background jobs run on the site |
| Mentioned in our posts | 1 | 1 |
| More features | ||
| Other features | Resizes oversized images at upload, before WordPress processes them, Separate maximum width and height for Media Library, other, and all uploads, JPG quality setting applied to resized images, Optional conversion of BMP files to JPG, Bulk resize of existing Media Library images, Resize or remove original from the Media Library list view | Image compression through reSmush.it, WebP conversion of compressed images, Scheduled page cache preload, 404 error log with daily pruning, Gzip compression test, Spam comment review link, Unused CSS removal ($), Local hosting of Google Fonts ($) |
| Integrations | ||
| Other | — | reSmush.it, checkgzipcompression.com, Cloudflare ($) |
| Requires WordPress | 6.8 | 4.9 |
| Requires PHP | 7.4 | 7.2 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | No |
| External services | — | checkgzipcompression.com, api.resmush.it, plugins.svn.wordpress.org, teamupdraft.com |