How Image Optimizer – Optimize Images and Convert to WebP or AVIF Affects Your WordPress Speed
C+
Estimated Speed Score
Measured Performance
Tested Feb 2026 · How we test
+11 ms
TTFB Impact
+2 MB
Memory Impact
+45
DB Queries
Plugin Overview
Performance Analysis
Performance Impact
Image Optimizer – Optimize Images and Convert to WebP or AVIF receives an estimated speed score of C+. Our real benchmark tests measured the following impact when activating this plugin:
- TTFB impact: +11 ms
- Memory impact: +2.0 MB
- Additional DB queries: +45
Overall activation impact: high. This plugin adds significant overhead. Consider alternatives if performance is critical.
Maintenance Status
Last updated: 2026-02-01. Requires PHP 7.4+. Trusted by 1.0M+ active installations.
Benchmark data measured in an isolated Docker environment (WordPress 6.8, PHP 8.3, GeneratePress). See our full methodology.
Alternatives to Image Optimizer – Optimize Images and Convert to WebP or AVIF
| Plugin | Speed Score | Active Installs |
|---|---|---|
| LiteSpeed Cache | A- | 7M+ |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed | B- | 5M+ |
| Jetpack – WP Security, Backup, Speed, & Growth | B- | 3M+ |
Frequently Asked Questions
Does Image Optimizer – Optimize Images and Convert to WebP or AVIF slow down WordPress?
Image Optimizer – Optimize Images and Convert to WebP or AVIF has an estimated speed score of C+. It has a moderate impact. Monitor your site speed after installation.
Is Image Optimizer – Optimize Images and Convert to WebP or AVIF still maintained?
Image Optimizer – Optimize Images and Convert to WebP or AVIF was last updated on 2026-02-01. It has 1.0M+ active installations, indicating it is actively maintained and widely trusted.
What are the best alternatives to Image Optimizer – Optimize Images and Convert to WebP or 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.
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