Robin image optimizer vs ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
These aren’t all alternatives to each other — they do different jobs — so this page compares popularity only, not features.
At a glance
Robin image optimizer leads the WordPress.org popular list today at #442, ahead of ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization at #1,800. Over the last 7 days Robin image optimizer held its place and ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization climbed 2 places. Robin image optimizer has the largest install base, roughly 10× the next: 100K+ active installs against 10K+ for ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization. Downloads this week: Robin image optimizer 30,001 and ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization 2,515. Ratings: Robin image optimizer 4.4★ from 130 and ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization 4.8★ from 144 reviews.
| Metric | Robin image optimizer | ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization |
|---|---|---|
| Popular rank today | #442 ▬ | #1,800 ▲ 2 |
| Active installs | 100K+ | 10K+ |
| Downloads, last 7 days | 30,001 | 2,515 |
| Rating | 4.4★ (130) | 4.8★ (144) |
| Last updated | Sep 10, 2026 | Aug 20, 2026 |
| Current version | 2.0.7 | 3.11.6 |
| Best rank on record | #431 | #1,799 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Aug 2018 | Dec 2018 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
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Frequently asked questions
Which is more popular, Robin image optimizer or ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization?
By active installs, Robin image optimizer: 100K+ sites run it against 10K+ for ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization, according to WordPress.org figures captured on September 13, 2026.
Which ranks higher on WordPress.org, Robin image optimizer or ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization?
Robin image optimizer, at #442 on the WordPress.org popular plugins list today, with ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization at #1,800. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are Robin image optimizer or ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization alternatives to each other?
Not all of them. Some of these plugins do different jobs and many sites run more than one. This page compares their popularity, not their features.
Where do these numbers come from?
WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.