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cdnjs vs Clipboard.js

Based on 358 and 11 real audits

View cdnjs details | View Clipboard.js details
MetriccdnjsClipboard.jsWinner
Performance3952Clipboard.js
Accessibility8889Clipboard.js
Best Practices8688Clipboard.js
SEO9089cdnjs
Security6563cdnjs
TTFB366ms352msClipboard.js
Composite7373Tie
Performance
cdnjs
39
Clipboard.js
52
Accessibility
cdnjs
88
Clipboard.js
89
Security
cdnjs
65
Clipboard.js
63
SEO
cdnjs
90
Clipboard.js
89
Composite
cdnjs
73
Clipboard.js
73

Clipboard.js outperforms cdnjs in 4 of 7 categories, with a stronger composite score (73 vs 73). cdnjs leads in SEO, security.

When to choose cdnjs

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

When to choose Clipboard.js

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

How this comparison was built

Scores are medians across 358 audited cdnjs sites and 11 audited Clipboard.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, cdnjs or Clipboard.js?
Based on real BeaverCheck audits, Clipboard.js sites score higher on Lighthouse performance (52 vs 39 on average).
Which has better security, cdnjs or Clipboard.js?
cdnjs sites score higher on security analysis (65 vs 63 on average).
Which has better accessibility, cdnjs or Clipboard.js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Clipboard.js (89 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 Clipboard.js?
cdnjs sites score higher on Lighthouse SEO signals (90 vs 89 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 Clipboard.js?
Clipboard.js sites show lower Time to First Byte (352 ms vs 366 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 Clipboard.js for my website?
Both platforms have trade-offs. Clipboard.js 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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