WordPress plugin comparison

Adaptive Images for WordPress vs Kraken.io Image Optimizer

Adaptive Images for WordPress

by Takis Bouyouris

3K+ installs4.7

Kraken.io Image Optimizer

by Kraken.io

10K+ installs4.5

At a glance

Kraken.io Image Optimizer has more active installs: 10K+, against 3K+ for Adaptive Images for WordPress.
On a typical day, Kraken.io Image Optimizer is downloaded about 97 times, Adaptive Images for WordPress about 25.
Adaptive Images for WordPress is rated higher: 4.7 out of 5 from 56 reviews, against 4.5 from 119 reviews.
Kraken.io Image Optimizer was updated more recently: Jun 22, 2026, against Oct 15, 2024 for Adaptive Images for WordPress.
Kraken.io Image Optimizer is tested with a newer WordPress: 7.0.8, against 6.6.11 for Adaptive Images for WordPress.
Kraken.io Image Optimizer has been around longer: since 2014, against 2015 for Adaptive Images for WordPress.

Kraken.io Image Optimizer leads on 6 of 7 comparable lines.

Metric	Adaptive Images for WordPress	Kraken.io Image Optimizer
Popular rank	#3,832	#1,581
Active installs	3K+	10K+
Downloads, last 30 days	962	4.3K
Rating	4.7(56)	4.5(119)
Support threads resolved	–	–
Tested up to	6.6.11	7.0.8
Search multiplier	×0.14	×0.83
Last release	2 years ago	4 months ago
Requires PHP	–	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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