Site Speed Library

Free database of tech, plugins, themes ranked by their impact on real-world Core Web Vitals. Discover alternatives and make data-driven-decisions.

17K
Tools & technologies Scored
+8K
WordPress Plugins Included
50k
Real-World Site Field Scores
TechnologyImpactField ScoreDomain CountDetails
WP

WordPress Theme

33

slow

4,020

sites measured

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HG

Web Form

19

slow

198

sites measured

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HG

Table Plugin

100

fast

1,922

sites measured

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HG

Image Optimization

72

average

41

sites measured

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HG

Caching Plugin

38

slow

290

sites measured

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HG

Caching Plugin

38

slow

290

sites measured

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HG

Caching Plugin

38

slow

290

sites measured

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HG

Caching Plugin

38

slow

290

sites measured

View Details
HG

Caching Plugin

38

slow

290

sites measured

View Details