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cdnjs vs Cloudflare

Based on 411 and 2430 real audits

View cdnjs details | View Cloudflare details
MetriccdnjsCloudflareWinner
Performance4251Cloudflare
Accessibility8789Cloudflare
Best Practices8687Cloudflare
SEO9189cdnjs
Security6770Cloudflare
TTFB377ms313msCloudflare
Composite7476Cloudflare
Performance
cdnjs
42
Cloudflare
51
Accessibility
cdnjs
87
Cloudflare
89
Security
cdnjs
67
Cloudflare
70
SEO
cdnjs
91
Cloudflare
89
Composite
cdnjs
74
Cloudflare
76

Cloudflare outperforms cdnjs in 6 of 7 categories, with a stronger composite score (76 vs 74). cdnjs leads in SEO.

When to choose cdnjs

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

When to choose Cloudflare

Choose Cloudflare 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 411 audited cdnjs sites and 2430 audited Cloudflare 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 Cloudflare?
Based on real BeaverCheck audits, Cloudflare sites score higher on Lighthouse performance (51 vs 42 on average).
Which has better security, cdnjs or Cloudflare?
Cloudflare sites score higher on security analysis (70 vs 67 on average).
Which has better accessibility, cdnjs or Cloudflare?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Cloudflare (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, cdnjs or Cloudflare?
cdnjs sites score higher on Lighthouse SEO signals (91 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 Cloudflare?
Cloudflare sites show lower Time to First Byte (313 ms vs 377 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 Cloudflare for my website?
Both platforms have trade-offs. Cloudflare 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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