How ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF Affects Your WordPress Speed

Estimated Speed Score

+-3 ms

TTFB Impact

+0 MB

Memory Impact

DB Queries

Low impact

Plugin Overview

Active Installs300K+

Rating4.5/5 (798)

Tested Up ToWP 6.9.1

Requires PHP7.4+

Last UpdatedJan 29, 2026

Downloads18.5M+

AuthorShortPixel

WP.orgView on WordPress.org

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ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF Speed Score - MakeWPFast

Performance Analysis

Performance Impact

ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF receives an estimated speed score of B. Our real benchmark tests measured the following impact when activating this plugin:

TTFB impact: +-3 ms
Memory impact: +0.0 MB
Additional DB queries: +2

Overall activation impact: low. This plugin adds minimal overhead to your WordPress site.

Maintenance Status

Last updated: 2026-01-29. Requires PHP 7.4+. Trusted by 300K+ active installations.

Benchmark data measured in an isolated Docker environment (WordPress 6.8, PHP 8.3, GeneratePress). See our full methodology.

Alternatives to ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF

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Frequently Asked Questions

Does ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF slow down WordPress?

ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF has an estimated speed score of B. It has a moderate impact. Monitor your site speed after installation.

Is ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF still maintained?

ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF was last updated on 2026-01-29. It has 300K+ active installations, indicating it is actively maintained and widely trusted.

What are the best alternatives to ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF?

Check our plugin reviews in the Performance category for alternatives. We compare plugins side-by-side on speed, features, and user ratings to help you find the best fit.