WordPress plugin comparison

ShortPixel Image Optimizer vs Image Optimizer, Resizer and CDN

ShortPixel Image Optimizer

by ShortPixel

300K+ installs4.5

Image Optimizer, Resizer and CDN

by Sirv CDN and Image Hosting

900+ installs4.9

At a glance

ShortPixel Image Optimizer has more active installs: 300K+, against 900+ for Image Optimizer, Resizer and CDN.
On a typical day, ShortPixel Image Optimizer is downloaded about 2,623 times, Image Optimizer, Resizer and CDN about 96.
Image Optimizer, Resizer and CDN is rated higher: 4.9 out of 5 from 265 reviews, against 4.5 from 830 reviews.
Image Optimizer, Resizer and CDN was updated more recently: Oct 31, 2026, against Oct 14, 2026 for ShortPixel Image Optimizer.
Both are tested up to WordPress 7.1.4.
ShortPixel Image Optimizer has been around longer: since 2014, against 2015 for Image Optimizer, Resizer and CDN.

ShortPixel Image Optimizer leads on 4 of 6 comparable lines.

Metric	ShortPixel Image Optimizer	Image Optimizer, Resizer and CDN
Popular rank	#193	#7,007
Active installs	300K+	900+
Downloads, last 30 days	235.3K	2.4K
Rating	4.5(830)	4.9(265)
Support threads resolved	100%	–
Tested up to	7.1.4	7.1.4
Search multiplier	×1.70	×0.61
Last release	27 days ago	9 days ago
Requires PHP	7.4	5.6

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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