ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization

80 Quality Score

Active Installs

18/30

With 10,000 active installs and a low relative score, this is a niche player compared to mainstream alternatives like Smush or Imagify that each cross 1 million installs.

Update Freshness

25/25

Last updated on 2026-06-19 and tested against WordPress 7.0, the plugin is clearly being actively maintained by its developers.

User Rating

14/15

A 96/100 score from 144 ratings signals strong satisfaction from the small user base that has tried it.

Support Health

8/15

Zero public support threads means there is no trackable record of responsiveness, so you are relying on paid channels and documentation rather than community help.

WP Compatibility

15/15

Tested with WordPress 7.0 and requiring only PHP 5.6.40 and WordPress 4.7, the compatibility profile is broad and unlikely to break older sites.

Scores higher than 78% of indexed plugins

About

Start serving properly sized, smart cropped & optimized images, plus CSS, JS and fonts from our CDN with a click; Automatic AVIF & WebP support.

Active Installs 10k+

Rating ★★★★½ 4.8/5

Last Updated 2026-08-20 2:21pm GMT

Requires WordPress 4.7+

Tested Up To 7.1

Requires PHP 5.6.40+

Security History

11 known vulnerabilities, all patched

11 Medium

Most recent: August 15, 2026

View details ▸

ShortPixel Adaptive Images <= 3.11.5 - Missing Authorization to Authenticated (Subscriber+) Third-Party Plugin Option Modification via 'causer' Parameter Medium

August 15, 2026 Patched in ["3.11.6"] CVE-2026-15345

ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization <= 3.11.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting Medium

June 29, 2026 Patched in ["3.11.4"] CVE-2026-57342

ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization <= 3.11.4 - Unauthenticated Arbitrary File Deletion Medium

June 25, 2026 Patched in ["3.11.5"] CVE-2026-56066

ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization <= 3.10.4 - Authenticated (Administrator+) Stored Cross-Site Scripting via API URL Medium

August 1, 2025 Patched in ["3.10.5"] CVE-2025-6626

ShortPixel Adaptive Images <= 3.10.0 - Missing Authorization Medium

April 1, 2025 Patched in ["3.10.1"] CVE-2025-30853

ShortPixel Adaptive Images <= 3.8.3 - Authenticated (Admin+) Server-Side Request Forgery Medium

May 10, 2024 Patched in ["3.8.4"] CVE-2024-35172

ShortPixel Adaptive Images <= 3.8.3 - Cross-Site Request Forgery Medium

May 9, 2024 Patched in ["3.8.4"] CVE-2024-4689

ShortPixel Adaptive Images <= 3.8.2 - Missing Authorization in activate_ai_handler and deactivate_ai_handler Medium

April 2, 2024 Patched in ["3.8.3"] CVE-2024-31230

ShortPixel Adaptive Images <= 3.7.1 - Cross-Site Request Forgery via shortpixel_ai_handle_page_action Medium

May 8, 2023 Patched in ["3.7.2"] CVE-2023-32512

ShortPixel Adaptive Images <= 3.6.1 - Reflected Cross-Site Scripting Medium

February 2, 2023 Patched in ["3.6.2"] CVE-2023-0334

ShortPixel Adaptive Images <= 3.3.1 - Subscriber+ Arbitrary Settings Update Medium

April 25, 2022 Patched in ["3.4.0"] CVE-2022-29417

What It Does

ShortPixel Adaptive Images rewrites your existing image URLs to serve properly sized, smart-cropped versions from its CDN, with automatic AVIF and WebP output for supporting browsers. It also offloads CSS, JavaScript, and fonts to the same CDN and includes lazy loading. In practice, you install it, toggle a few options, and your images start loading faster and lighter without manually re-uploading anything.

Who It's For

This plugin suits image-heavy sites such as photography portfolios, real estate listings, e-commerce stores, food blogs, and travel sites where image weight is the main performance bottleneck. It is also a fit for agencies or site owners who want a hands-off CDN-style setup without configuring a separate service or rewriting theme code.

Who Should Skip It

If you are already running a full CDN or image service like Cloudflare Images, Jetpack Site Accelerator, or a comparable stack, ShortPixel's URL rewriting will overlap and may double up on work. Small sites with only a handful of low-resolution images will not see enough gain to justify the dependency on a third-party CDN.

The Bottom Line

ShortPixel Adaptive Images earns a 79.81/100 quality score, which looks solid on paper but is dragged down by limited reach and zero public support history. It is a credible choice if you need a CDN-driven image optimization stack and are willing to pay for the service tier that comes with it. For most WordPress users, the more established alternatives listed above offer stronger community trust at a similar feature level.

Related Plugins

Smush – Lazy Load, WebP & CDN 89/100

Pick Smush if you want a free, broadly trusted all-rounder with a million-plus installs and a familiar interface, even if it lacks ShortPixel's CDN-style asset offloading.

EWWW Image Optimizer 89/100

Choose EWWW if you want to optimize images locally on your own server rather than routing them through an external CDN.

WebP Converter for Media 88/100

Pick WebP Converter for Media if your only goal is serving WebP or AVIF copies and you want a lighter plugin with 500,000 installs behind it.

Imagify Image Optimization 87/100

Choose Imagify if you are already in the WP Rocket ecosystem and want image optimization, WebP, and AVIF bundled with familiar tooling.