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Category: JavaScript libraries

Underscore.js

Based on 173 real audits

38
Avg. Performance
87
Avg. Accessibility
83
Avg. Best Practices
90
Avg. SEO
64
Avg. Security
72
Avg. Composite
38 /100
Avg. Performance
420 ms
Avg. TTFB
72 /100
Avg. Composite
173
Sites Audited

How Underscore.js sites compare

Underscore.js sites tend to score below average on performance (38/100), compared to the global average of 65/100.

Recent Audits

See all 172 websites using Underscore.js →
SitePerformanceGradeAudited
plunketts.net35C2026-05-26
enjoycbd.es34C2026-05-13
impactcommerce.com39B2026-05-12
Psifos-participa.uchile.cl/psifos42C2026-05-10
www.pathofexile.com41C2026-05-10
Bissell.com8C2026-05-10
nea.org48C2026-04-23
uhc.com26C2026-04-22
kantar.com36D2026-04-22
gnavi.co.jp25D2026-04-22

Commonly Used With

Sites that use Underscore.js also commonly use:

Open Graph Miscellaneous 140Google Search Console Analytics 134Google Tag Manager Tag managers 131jQuery JavaScript libraries 118Google Analytics Analytics 105core-js JavaScript libraries 99Microsoft Analytics 97Facebook Analytics 64HSTS Security 63Priority Hints Performance 54

Compare with...

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

FAQ

What is the average Lighthouse performance score for Underscore.js sites?
Based on 173 real audits, Underscore.js sites score an average of 38/100 on Lighthouse performance.
How does Underscore.js compare on web security?
Underscore.js sites score an average security grade of 64/100 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 420ms based on 173 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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