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cdnjs vs Headroom.js

Based on 461 and 1 real audits

View cdnjs details | View Headroom.js details
MetriccdnjsHeadroom.jsWinner
Performance4327cdnjs
Accessibility8896Headroom.js
Best Practices8777cdnjs
SEO9192Headroom.js
Security6868Tie
TTFB399ms640mscdnjs
Composite7474Tie
Performance
cdnjs
43
Headroom.js
27
Accessibility
cdnjs
88
Headroom.js
96
Security
cdnjs
68
Headroom.js
68
SEO
cdnjs
91
Headroom.js
92
Composite
cdnjs
74
Headroom.js
74

cdnjs outperforms Headroom.js in 3 of 7 categories, with a stronger composite score (74 vs 74). Headroom.js leads in accessibility, SEO.

When to choose cdnjs

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

When to choose Headroom.js

Choose Headroom.js when your primary concern is accessibility and SEO. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 461 audited cdnjs sites and 1 audited Headroom.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 →

Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.

FAQ

Which is faster, cdnjs or Headroom.js?
Based on real BeaverCheck audits, cdnjs sites score higher on Lighthouse performance (43 vs 27 on average).
Which has better security, cdnjs or Headroom.js?
cdnjs sites score higher on security analysis (68 vs 68 on average).
Which has better accessibility, cdnjs or Headroom.js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Headroom.js (96 vs 88). 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, cdnjs or Headroom.js?
Headroom.js sites score higher on Lighthouse SEO signals (92 vs 91 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), cdnjs or Headroom.js?
cdnjs sites show lower Time to First Byte (399 ms vs 640 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 cdnjs or Headroom.js for my website?
Both platforms have trade-offs. cdnjs scores higher on overall composite score while cdnjs 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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