Image Optimizer vs CDN Enabler 2026

At a glance

Plugin A

Image Optimizer – Optimize Images and Convert to WebP or AVIF

Automatically resize, optimize, and convert images to WebP and AVIF. Compress images in bulk or on upload to boost your WordPress site performance.

Rating

1.7/5

Active Installs 1.0M+

Author Elementor

Version v1.7.5

Last Updated Jun 2026

Source WordPress.org ↗

Plugin B

CDN Enabler

A content delivery network (CDN) integration plugin for WordPress that rewrites URLs, like for CSS, JavaScript, and images, to be served by a CDN.

Rating

4.1/5

Active Installs 10K+

Author KeyCDN

Version v2.0.8

Last Updated Mar 2026

Source WordPress.org ↗

Full Comparison

📊 Data-Driven Review

Technical Specs

Image Optimizer vs CDN Enabler: Key Statistics
Metric	Image Optimizer	CDN Enabler
Requires WP	6.7+	5.1+
Requires PHP	7.4+	5.6+
Tested up to WP	7.0	6.9.4
Plugin age	2 yrs	11 yrs

Quick Verdict

CDN Enabler is the clear winner for WordPress site owners who need a reliable, well-rated CDN integration tool. With 76% of users giving it 5 stars, it earns far more trust than Image Optimizer, which receives 77% 1-star ratings. Image Optimizer has 1.0M+ installs, but its user satisfaction is exceptionally low. For image optimization tasks like convert webp wordpress, you should look elsewhere. For serving CSS, JS, and images from a CDN, CDN Enabler is the safe, data-backed choice.

Feature Comparison: Image Optimizer vs CDN Enabler

Functional feature comparison between Image Optimizer and CDN Enabler
Feature	Image Optimizer	CDN Enabler
Primary Function	Resize, optimize, and convert images to WebP and AVIF	Rewrite URLs for CSS, JavaScript, and images to be served by a CDN
Image Format Conversion	Converts to WebP and AVIF	Does not convert image formats
Bulk Processing	Compress images in bulk or on upload	Not applicable; rewrites existing URLs
Automatic Resizing	Automatically resizes images on upload	No image resizing capability
CSS/JS URL Rewriting	Not applicable	Rewrites URLs for CSS and JavaScript
Image URL Rewriting	Not applicable	Rewrites image URLs for CDN delivery
Performance Goal	Reduce image file sizes locally	Offload static assets to a CDN server

Who Should Use Image Optimizer

Sites that must convert images to modern formats quickly. If you want to know how to convert images to webp in wordpress, this plugin offers that conversion plus AVIF support, though user satisfaction is very low.
Teams who need auto resize images on upload wordpress functionality built into a single plugin, saving time on manual resizing for each new image.
Anyone exploring the best convert avif plugin wordpress options. Image Optimizer supports AVIF conversion, but its 12% 5-star rating suggests you should test it thoroughly before committing.

Who Should Use CDN Enabler

Site owners who want to serve css js from cdn wordpress without complex setup. CDN Enabler rewrites those URLs automatically, and 76% of users rate it 5 stars.
Developers looking for a best cdn plugin for wordpress that focuses solely on CDN integration. It handles CSS, JavaScript, and image URL rewriting in one lightweight plugin.
Anyone needing cdn integration wordpress for an existing CDN service. The plugin simply rewrites URLs; you bring your own CDN provider, and it works.

Community & Support

CDN Enabler earns strong community trust. 76% of its reviews are 5-star, while only 20% are 1-star. This distribution indicates that most users find the plugin works as advertised. Image Optimizer shows the opposite pattern: 77% of its reviews are 1-star, and just 12% are 5-star. With such a high rate of negative feedback, users report significant issues with the plugin's performance or reliability. Neither plugin has enough recent support ticket data to draw conclusions about response times.

Verdict: Image Optimizer or CDN Enabler for WordPress sites?

Pick Image Optimizer if you need a plugin that handles image compression and WebP/AVIF conversion in one place. Its 1.0M+ install base shows many people have tried it for bulk convert images to webp wordpress tasks. However, its 77% 1-star rating is a major red flag.

Pick CDN Enabler if you want a proven, lightweight tool for CDN integration. With 76% 5-star reviews and a focused feature set, it reliably rewrites URLs for CSS, JavaScript, and images. CDN Enabler wins this comparison because its user satisfaction data is decisively better. For image compression for woocommerce product images or format conversion, you should seek a different, higher-rated plugin than Image Optimizer.

How this comparison was made

This comparison is AI-generated from live WordPress.org data. Install counts, ratings, versions and support statistics sync weekly, so the numbers on this page stay current. Content passes automated quality checks before publishing, and pages below our quality threshold are held for human review.

Read our full methodology

Frequently Asked Questions

Q How many people use Image Optimizer compared to CDN Enabler?

Image Optimizer has 1.0M+ active installs while CDN Enabler has 10K+, meaning Image Optimizer is used on more sites.

Q Which has better user ratings — Image Optimizer or CDN Enabler?

CDN Enabler averages 4.1/5 from 51 reviews, while Image Optimizer averages 1.7/5 from 77 reviews — CDN Enabler has the higher average rating.

Q Which is more actively maintained — Image Optimizer or CDN Enabler?

Image Optimizer was last updated on Jun 2, 2026 and CDN Enabler on Mar 2, 2026, so Image Optimizer received the more recent update.

Q Are Image Optimizer and CDN Enabler both free?

Yes — both Image Optimizer and CDN Enabler are free to install from the official WordPress.org plugin directory. Some features may require a paid upgrade offered by the plugin author.

Q Is Image Optimizer or CDN Enabler better for WordPress sites?

Image Optimizer is better if your main goal is to speed up images by compressing them and converting to WebP or AVIF formats. CDN Enabler is better if you want to offload your entire site's static files like CSS and JavaScript to a content delivery network. For most sites, you would actually use both together since they solve different problems.

Q Which is easier to set up for a WordPress beginner — Image Optimizer or CDN Enabler?

Image Optimizer is easier for a beginner because it works automatically on upload with no external accounts or configuration needed. CDN Enabler requires you to first sign up for a separate CDN service and then enter its URL into the plugin settings, which adds a step. Most users find Image Optimizer works right out of the box.

Q What is the biggest feature difference between Image Optimizer and CDN Enabler?

Image Optimizer focuses on compressing and converting your existing images to modern formats like WebP and AVIF on your own server. CDN Enabler does not touch your images at all, instead it rewrites your site's URLs to serve CSS, JS, and images from a separate CDN network. One shrinks file sizes, the other changes where files are served from.

Q Can you switch from Image Optimizer to CDN Enabler (or the other way) without losing data?

Yes, you can switch between them because they work on completely different layers of your site. Image Optimizer stores its compressed copies of your images in your media library, and those will remain even if you deactivate it. CDN Enabler only changes the URLs that point to your files, so turning it off simply restores your original links with zero data loss.

Q Which type of site should choose Image Optimizer, and which should choose CDN Enabler?

Choose Image Optimizer if you run an image-heavy site like a WooCommerce store or a photography portfolio where large product photos slow down your pages. Choose CDN Enabler if your site has a global audience and you need to serve CSS, JavaScript, and images from servers closer to your visitors. A high-traffic blog with lots of images would benefit most from installing both.