Smush Image Optimization – Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN vs ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF: Which Is Faster for WordPress?

Smush Image Optimization – Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN vs ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF - MakeWPFast
Smush Image Optimization – Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN
A
1M+ installs · 4.8/5 rating
Overall Winner
VS
ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
A
300K+ installs · 4.5/5 rating

Feature-by-Feature Comparison

FeatureSmush Image Optimization – Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDNShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
Active Installs1.0M+300K+
User Rating4.8/54.5/5
TTFB Impact-10ms-3ms
Memory Impact+0KB+0KB
Extra DB Queries+0+2
Speed ScoreAA
Tested Up ToWP 6.9.1WP 6.9.1
Requires PHP7.47.4
Last Updated2026-02-042026-01-29
Total Downloads64.2M+18.5M+
Verdict
FasterWp-smushit
More FeaturesWp-smushit
Overall WinnerWp-smushit
Full Reviews
Smush Image Optimization – Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN Performance ReviewShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF Performance Review
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Frequently Asked Questions

Which is faster, Smush Image Optimization u2013 Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN or ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF?
In our benchmark tests, Smush Image Optimization u2013 Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN adds only +-10ms to TTFB, while ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF adds +-3ms. Smush Image Optimization u2013 Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN is the faster choice.
Which uses less memory, Smush Image Optimization u2013 Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN or ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF?
Smush Image Optimization u2013 Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN adds +0KB to peak memory usage, while ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF adds +0KB.
How many extra database queries does each plugin add?
Smush Image Optimization u2013 Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN adds +0 queries per page load, while ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF adds +2 queries.
Which should I use, Smush Image Optimization u2013 Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN or ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF?
Based on our performance benchmarks and user ratings, Smush Image Optimization u2013 Optimize Images | Compress & Lazy Load Images | Convert WebP & AVIF | Image CDN is our overall recommendation. However, both are solid choices u2014 pick based on your specific needs.
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