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Category: JavaScript libraries

Underscore.js

Based on 218 real audits

40
Avg. Performance
88
Avg. Accessibility
85
Avg. Best Practices
91
Avg. SEO
67
Avg. Security
74
Avg. Composite
40 /100
Avg. Performance
477 ms
Avg. TTFB
74 /100
Avg. Composite
218
Sites Audited

How Underscore.js sites compare

Underscore.js sites tend to score below average on performance (40/100), compared to the global average of 65/100.

Recent Audits

View adoption trends → See all 200 websites using Underscore.js →
SitePerformanceGradeAudited
toptechplumbingtx.com32C2026-10-15
www.randaroofing.com39B2026-10-12
svennouwen.nl91A2026-10-06
svennouwen.nl94A2026-10-06
www.allisongruder.com64B2026-10-02
Svennouwen.nl96A2026-10-01
svennouwen.nl93A2026-09-30
svennouwen.nl85B2026-09-30
svennouwen.nl77B2026-09-30
pagellapolitica.it41B2026-09-26

Commonly Used With

Sites that use Underscore.js also commonly use:

Open Graph Miscellaneous 179jQuery JavaScript libraries 152Google Search Console Analytics 151Google Tag Manager Tag managers 148core-js JavaScript libraries 128Google Analytics Analytics 120Microsoft Analytics 108HSTS Security 89Priority Hints Performance 82Facebook Analytics 70

Compare with...

Underscore.js vs Open GraphUnderscore.js vs jQueryUnderscore.js vs Google Search ConsoleUnderscore.js vs Google Tag ManagerUnderscore.js vs core-jsUnderscore.js vs Google AnalyticsUnderscore.js vs MicrosoftUnderscore.js vs HSTSUnderscore.js vs Priority HintsUnderscore.js vs Facebook

FAQ

What is the average Lighthouse performance score for Underscore.js sites?
Based on 218 real audits, Underscore.js sites score an average of 40/100 on Lighthouse performance.
How does Underscore.js compare on web security?
Underscore.js sites score an average security grade of 67/100 in BeaverCheck audits.
What is the average page load time for Underscore.js websites?
The average Time to First Byte (TTFB) for Underscore.js sites is 477ms based on 218 audits.
How can I improve my Underscore.js site's performance?
Run a free audit on BeaverCheck to get specific recommendations for your Underscore.js site. Common issues include render-blocking resources, unoptimized images, and missing caching headers.

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