Kraken.io Image Optimizer vs Cloudinary – Deliver Images and Videos… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Kraken.io Image Optimizer
10K+ active installs
Free
Cloudinary – Deliver Images and Videos…
5.0K+ active installs
Free
Quick Verdict
As of April 2026, Kraken.io Image Optimizer has a higher user rating (4.5/5 from 119 reviews) and leads in active installations (10K+ vs 5.0K+). Both are free WordPress plugins. Kraken.io Image Optimizer has accumulated 399K+ total downloads while Cloudinary – Deliver Images and Videos… has 423K+.
Detailed Comparison
| Metric | Kraken.io Image Optimizer | Cloudinary – Deliver Images and Videos… | |
|---|---|---|---|
| Rating | 4.5/5 | ◄ | 4/5 |
| Total Reviews | 119 | ◄ | 64 |
| Active Installs | 10K+ | ◄ | 5.0K+ |
| Total Downloads | 399K+ | ► | 423K+ |
| Support Resolution | N/A | 100% | |
| Last Updated | 4 weeks ago | ◄ | 1 month ago |
| First Released | 2014 | 2013 | |
| Age | 12 years | 13 years | |
| WP Requires | 4.9+ | 4.7+ | |
| PHP Requires | 5.6+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 2.7.0 | 3.3.2 |
Rating Breakdown
Kraken.io Image Optimizer
Cloudinary – Deliver Images and Videos…
Download Trends
Over the past 30 days, Kraken.io Image Optimizer averaged approximately 208 daily downloads while Cloudinary – Deliver Images and Videos… averaged 159.
Recent Reviews
Kraken.io Image Optimizer Reviews
Poor Quality
Not worth the time.
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
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.
Cloudinary – Deliver Images and Videos… Reviews
Cloudinary Feature Request: Keep Original Images on Server, Serve Optimized
I would like to propose a new feature: retain only the original images on the server while continuing to serve both variant sizes and the original size optimized for visitors on the website. This e
Very good
Thank you
Good, but lags with lots of images
Overall the plugin is working well for me. The one issue I’m having is when trying to import a large set of images (about 1500) from Cloudinary to WordPress using the Cloudinary DAM media library-
More Image Optimizer Worth Comparing
Top alternatives in the same category as Kraken.io Image Optimizer and Cloudinary – Deliver Images and Videos…
Automatically optimize images: bulk compression, lazy loading, WebP/AVIF conversion. With CloudFront image CDN to boost Core Web Vitals & conversions!
Effective image compression and optimization during the upload process. Smart, automatic and reliable.
Replace 50+ WordPress Plugins: Free Theme Builder, Code Snippets, Image Optimizer (WebP/AVIF), SMTP Email, Security Hardening, Performance & More
Frequently Asked Questions
Is Kraken.io Image Optimizer or Cloudinary – Deliver Images and Videos… more popular?
Which has better ratings — Kraken.io Image Optimizer or Cloudinary – Deliver Images and Videos…?
Are Kraken.io Image Optimizer and Cloudinary – Deliver Images and Videos… free?
Which plugin has better support — Kraken.io Image Optimizer or Cloudinary – Deliver Images and Videos…?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.