Census › Plugin profiles › ShortPixel Image Optimizer
ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
Figures from the Plugin Directory Census · as of 28 Aug 2026
300,000
Active installs, lower bound
Group: 100,000 to 999,999 installs
8
Days since the last release
Group median: 12
4.5
out of 5, from 819 ratings
Group median: 4.7 (10+ ratings)
100.0%
Support threads marked resolved, two months
Group: 68.2%
Full profile on wordpress.orgShow on the mapCompare with your own plugins
What is ShortPixel Image Optimizer and who is behind it?
ShortPixel Image Optimizer is a WordPress plugin in the “Speed and caching” field, made by ShortPixel. It has been listed in the directory since 5 Nov 2014, so for 11 years. ShortPixel has 7 plugins with at least 10,000 installs in the census. With 300,000 to 399,999 active installs it belongs to the 100,000 to 999,999 installs group; its last release came 8 days before the reference date, and it is tested up to WordPress 7.1.
This is how the author describes the plugin on wordpress.org:
“Optimize images & PDFs smartly. Create and compress next-gen WebP and AVIF formats. Smart crop and resize.”
Self-description on wordpress.org, retrieved on 10 Sept 2026
When was ShortPixel Image Optimizer last released?
The last release of ShortPixel Image Optimizer came 8 days before the reference date; the group median is 12 days.
How many installs does ShortPixel Image Optimizer have?
ShortPixel Image Optimizer had 300,000 to 399,999 active installs on the reference date. Within its group, 88 plugins had a higher band and 50 plugins the same band.
The API reports installs only as a lower bound with one significant figure: 300,000 means at least 300,000 and at most 399,999.
Which WordPress version is ShortPixel Image Optimizer tested with?
No directory notice: tested up to WordPress 7.1, while core stood at 7.1 on the reference date. The notice appears once the field falls below 6.9; that applied to 8.0% of the group.
How does ShortPixel Image Optimizer compare with its group?
The group holds 399 listed plugins. 28.3% of them had a more recent last release than ShortPixel Image Optimizer; 5.3% had no release for more than 365 days.
| Figure | ShortPixel Image Optimizer | Group, 399 plugins |
|---|---|---|
| Days since the last release | 8 | median 12 |
| Rating | 4.5 (819) | median 4.7 (10+ ratings) |
| Support threads marked resolved | 100.0% | 68.2% |
| Tested up to | 7.1 | 47.6% on 7.1 |
| Requires PHP | 7.4 | most often 7.4 (41.6%) |
All values on the reference date
| Slug | shortpixel-image-optimiser |
|---|---|
| Author | ShortPixel |
| Active installs | 300,000 to 399,999 |
| Last release | 8 days before the reference date |
| Tested up to | WordPress 7.1 · core on the reference date: 7.1 |
| Requires WordPress | 4.8 |
| Requires PHP | 7.4 |
| Rating | 4.5 out of 5 from 819 ratings |
| Support threads, two months | 1 of 1 marked resolved |
| Listed since | 5 Nov 2014 |
| Total downloads | 19,813,203, updates included |
| Tags | compress-images, convert-webp, image-optimization, optimize-images, resize |
Tags
| Tag | Plugins with 10,000+ installs and this tag | Rank by installs | Median days since release |
|---|---|---|---|
| compress-images | 11 | 4 | 8 |
| convert-webp | 7 | 5 | 9 |
| image-optimization | 13 | 5 | 8 |
| optimize-images | 8 | 4 | 9 |
| resize | 5 | 2 | 8 |
Rank 1 has the highest installation band among plugins with 10,000+ installs and this tag; equal bands share a rank.
Class of 2014
ShortPixel Image Optimizer has been listed since 5 Nov 2014. Of the 190 plugins with 10,000+ installs added in 2014, 78.4% released within the 365 days before the reference date.
Same group, shared tags
Not a recommendation; the same figures for comparison. Alphabetical.
| Plugin | Active installs | Last release | Rating |
|---|---|---|---|
| Converter for Media | 500,000 to 599,999 | 9 days before the reference date | 4.9 (1,097) |
| Imsanity | 200,000 to 299,999 | 8 days before the reference date | 4.9 (292) |
| Optimole | 200,000 to 299,999 | 2 days before the reference date | 4.7 (638) |
| reSmush.it | 100,000 to 199,999 | 8 days before the reference date | 4.3 (165) |
| Robin Image Optimizer | 100,000 to 199,999 | 8 days before the reference date | 4.4 (129) |
| TinyPNG | 100,000 to 199,999 | 3 days before the reference date | 4.5 (176) |
Do you maintain ShortPixel Image Optimizer?
If you maintain ShortPixel Image Optimizer, you can link to this profile, for example from your readme or your website. Both snippets show this badge:
HTML
<a href="https://hafenstudios.com/en/census/plugins/shortpixel-image-optimiser/"><img src="https://hafenstudios.com/census/plugins/badge-en.svg" alt="ShortPixel Image Optimizer in the Plugin Directory Census 01/2026" width="220" height="40"></a>
Markdown
[](https://hafenstudios.com/en/census/plugins/shortpixel-image-optimiser/)
The image is loaded from hafenstudios.com; as with every request, our server records the usual access data, which is deleted after 14 days. If you prefer not to, use a plain text link.
A value is wrong? Write to moin@hafenstudios.com; a documented correction leads to a new version.
How to cite
hafenstudios (2026): ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF, profile in the Plugin Directory Census 01/2026, reference date 28 Aug 2026. https://hafenstudios.com/en/census/plugins/shortpixel-image-optimiser/
Source and status
All values come from the full pull of the public wordpress.org API on 28 Aug 2026 (reference time 21:56:30 UTC). The analysis and text on this page are available under CC BY 4.0; the raw values come from the public wordpress.org API and are in the raw data. How the count was made is set out in the method, what the fields do not say under limits. hafenstudios builds WordPress plugins itself, see the conflict of interest. Corrections to moin@hafenstudios.com; a documented correction leads to a new version. From issue 02 this page will also show the change since the previous reference date. Collected and prepared by Horst Wenzel.
Plugin names and trademarks belong to their owners. hafenstudios is not affiliated with the authors named here.
