WordPress plugin comparison
ShortPixel Adaptive Images vs UltraCache
At a glance
- ShortPixel Adaptive Images has more active installs: 10K+, against 20+ for UltraCache.
- On a typical day, ShortPixel Adaptive Images is downloaded about 116 times, UltraCache about 3.
- UltraCache is rated higher: 5.0 out of 5 from 3 reviews, against 4.8 from 145 reviews.
- UltraCache was updated more recently: Aug 21, 2026, against Aug 20, 2026 for ShortPixel Adaptive Images.
- Both are tested up to WordPress 7.1.4.
- ShortPixel Adaptive Images has been around longer: since 2018, against 2026 for UltraCache.
Line by line
ShortPixel Adaptive Images leads on 4 of 6 comparable lines.
| Metric |  ShortPixel Adaptive Images |  UltraCache |
|---|---|---|
| Popular rank | #1,845 | #27,900 |
| Active installs | 10K+ | 20+ |
| Downloads, last 30 days | 3.6K | 67 |
| Rating | 4.8(145) | 5.0(3) |
| Support threads resolved | – | – |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.86 | ×0.24 |
| Last release | 2 months ago | 2 months ago |
| Requires PHP | 5.6.40 | 8.1 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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