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Facebook vs Underscore.js

Based on 1405 and 173 real audits

View Facebook details | View Underscore.js details
MetricFacebookUnderscore.jsWinner
Performance3838Tie
Accessibility8987Facebook
Best Practices8483Facebook
SEO9090Tie
Security6764Facebook
TTFB281ms420msFacebook
Composite7272Tie
Performance
Facebook
38
Underscore.js
38
Accessibility
Facebook
89
Underscore.js
87
Security
Facebook
67
Underscore.js
64
SEO
Facebook
90
Underscore.js
90
Composite
Facebook
72
Underscore.js
72

Facebook outperforms Underscore.js in 4 of 7 categories, with a stronger composite score (72 vs 72). Underscore.js leads in no categories.

When to choose Facebook

Choose Facebook when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose Underscore.js

Underscore.js doesn't clearly lead Facebook in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.

How this comparison was built

Scores are medians across 1405 audited Facebook sites and 173 audited Underscore.js sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, Facebook or Underscore.js?
Based on real BeaverCheck audits, Facebook sites score higher on Lighthouse performance (38 vs 38 on average).
Which has better security, Facebook or Underscore.js?
Facebook sites score higher on security analysis (67 vs 64 on average).
Which has better accessibility, Facebook or Underscore.js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Facebook (89 vs 87). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, Facebook or Underscore.js?
Facebook sites score higher on Lighthouse SEO signals (90 vs 90 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), Facebook or Underscore.js?
Facebook sites show lower Time to First Byte (281 ms vs 420 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose Facebook or Underscore.js for my website?
Both platforms have trade-offs. Facebook scores higher on overall composite score while Facebook may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
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