PluginSift

Optimole – Optimize Images in Real Time vs Kraken.io Image Optimizer (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Optimole – Optimize Images in Real Time

Optimole – Optimize Images in Real Time

4.7(630)

200K+ active installs

Free

Updated Yesterday
View Optimole – Optimize Images in Real Time
VS
Kraken.io Image Optimizer

Kraken.io Image Optimizer

4.5(119)

10K+ active installs

Free

Updated 1 month ago
View Kraken.io Image Optimizer

Quick Verdict

As of April 2026, Optimole – Optimize Images in Real Time has a higher user rating (4.7/5 from 630 reviews) and leads in active installations (200K+ vs 10K+). Both are free WordPress plugins. Optimole – Optimize Images in Real Time has accumulated 7.8M+ total downloads while Kraken.io Image Optimizer has 399K+.

Detailed Comparison

Rating
4.7/5Optimole – Optimize Images in Real Time
◄
Kraken.io Image Optimizer4.5/5
Total Reviews
630Optimole – Optimize Images in Real Time
◄
Kraken.io Image Optimizer119
Active Installs
200K+Optimole – Optimize Images in Real Time
◄
Kraken.io Image Optimizer10K+
Total Downloads
7.8M+Optimole – Optimize Images in Real Time
◄
Kraken.io Image Optimizer399K+
Support Resolution
100%Optimole – Optimize Images in Real Time
Kraken.io Image OptimizerN/A
Last Updated
YesterdayOptimole – Optimize Images in Real Time
◄
Kraken.io Image Optimizer1 month ago
First Released
2018Optimole – Optimize Images in Real Time
Kraken.io Image Optimizer2014
Age
8 yearsOptimole – Optimize Images in Real Time
Kraken.io Image Optimizer12 years
WP Requires
5.5+Optimole – Optimize Images in Real Time
Kraken.io Image Optimizer4.9+
PHP Requires
7.4+Optimole – Optimize Images in Real Time
Kraken.io Image Optimizer5.6+
Business Model
FreeOptimole – Optimize Images in Real Time
Kraken.io Image OptimizerFree
Latest Version
4.2.4Optimole – Optimize Images in Real Time
Kraken.io Image Optimizer2.7.0

Rating Breakdown

Optimole – Optimize Images in Real Time

4.7/5(630 reviews)
5
90%
4
3%
3
1%
2
1%
1
6%

Kraken.io Image Optimizer

4.5/5(119 reviews)
5
84%
4
5%
3
1%
2
2%
1
8%

Recent Reviews

Optimole – Optimize Images in Real Time Reviews

by aks83z

Der Turbo für jede Page

Wenn man viele Skripte auf seiner Seite eingebunden haben muss, holt der Bilder Turbo die nötigen Punkte beim Page peed Ranking raus. Auch in der Basis Konfig

by Anlami

Optimole optimiert meine Seite Perfekt

einfaches gut zu verstehendes Plugin in Verbindung mit ChatGPT wurde meine Seite optimal optimiert!

by enejawp01

great

i really like this plugin, it allows you to post pictures without affecting quality or page speed

Kraken.io Image Optimizer Reviews

by blieben

Poor Quality

Not worth the time.

by David Artiss

Terrible Customer Service

As others are noting here, their customer service is terrible. In fact I’d use the word “non-existent”. After signing up with an account I decided that the service was no longer what I needed and cont

by yoavshai

Worst service I’ve encountered

Whatever you do, do not use this service. They will happily charge your credit cars, but when you try to reach them for support, they never respond. Their service is a disgrace.

Frequently Asked Questions

Is Optimole – Optimize Images in Real Time or Kraken.io Image Optimizer more popular?
Optimole – Optimize Images in Real Time has 200K+ active installations while Kraken.io Image Optimizer has 10K+. Optimole – Optimize Images in Real Time is the more widely-used plugin as of April 2026.
Which has better ratings — Optimole – Optimize Images in Real Time or Kraken.io Image Optimizer?
Optimole – Optimize Images in Real Time has a 4.7/5 rating from 630 reviews, while Kraken.io Image Optimizer has a 4.5/5 rating from 119 reviews.
Are Optimole – Optimize Images in Real Time and Kraken.io Image Optimizer free?
Optimole – Optimize Images in Real Time is free and Kraken.io Image Optimizer is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Optimole – Optimize Images in Real Time or Kraken.io Image Optimizer?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Optimole – Optimize Images in Real Time was last updated Yesterday and Kraken.io Image Optimizer was last updated 1 month ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.