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cdnjs vs Google Hosted Libraries

Based on 393 and 13 real audits

View cdnjs details | View Google Hosted Libraries details
MetriccdnjsGoogle Hosted LibrariesWinner
Performance4152Google Hosted Libraries
Accessibility8878cdnjs
Best Practices8691Google Hosted Libraries
SEO9191Tie
Security6663cdnjs
TTFB366ms450mscdnjs
Composite7374Google Hosted Libraries
Performance
cdnjs
41
Google Hosted Libraries
52
Accessibility
cdnjs
88
Google Hosted Libraries
78
Security
cdnjs
66
Google Hosted Libraries
63
SEO
cdnjs
91
Google Hosted Libraries
91
Composite
cdnjs
73
Google Hosted Libraries
74

cdnjs and Google Hosted Libraries are closely matched, each leading in different categories. cdnjs has a composite score of 73 while Google Hosted Libraries scores 74.

When to choose cdnjs

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

When to choose Google Hosted Libraries

Choose Google Hosted Libraries when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 393 audited cdnjs sites and 13 audited Google Hosted Libraries 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 Google Hosted Libraries?
Based on real BeaverCheck audits, Google Hosted Libraries sites score higher on Lighthouse performance (52 vs 41 on average).
Which has better security, cdnjs or Google Hosted Libraries?
cdnjs sites score higher on security analysis (66 vs 63 on average).
Which has better accessibility, cdnjs or Google Hosted Libraries?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor cdnjs (88 vs 78). 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 Google Hosted Libraries?
cdnjs sites score higher on Lighthouse SEO signals (91 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 Google Hosted Libraries?
cdnjs sites show lower Time to First Byte (366 ms vs 450 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 Google Hosted Libraries for my website?
Both platforms have trade-offs. Google Hosted Libraries 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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