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jQuery vs jsDelivr CDN

Based on 2264 and 407 real audits

View jQuery details | View jsDelivr CDN details
MetricjQueryjsDelivr CDNWinner
Performance4640jQuery
Accessibility8688jsDelivr CDN
Best Practices8886jQuery
SEO9192jsDelivr CDN
Security6767Tie
TTFB521ms369msjsDelivr CDN
Composite7474Tie
Performance
jQuery
46
jsDelivr CDN
40
Accessibility
jQuery
86
jsDelivr CDN
88
Security
jQuery
67
jsDelivr CDN
67
SEO
jQuery
91
jsDelivr CDN
92
Composite
jQuery
74
jsDelivr CDN
74

jsDelivr CDN outperforms jQuery in 3 of 7 categories, with a stronger composite score (74 vs 74). jQuery leads in performance, best practices.

When to choose jQuery

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

When to choose jsDelivr CDN

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

How this comparison was built

Scores are medians across 2264 audited jQuery sites and 407 audited jsDelivr CDN 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, jQuery or jsDelivr CDN?
Based on real BeaverCheck audits, jQuery sites score higher on Lighthouse performance (46 vs 40 on average).
Which has better security, jQuery or jsDelivr CDN?
jQuery sites score higher on security analysis (67 vs 67 on average).
Which has better accessibility, jQuery or jsDelivr CDN?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor jsDelivr CDN (88 vs 86). 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, jQuery or jsDelivr CDN?
jsDelivr CDN 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), jQuery or jsDelivr CDN?
jsDelivr CDN sites show lower Time to First Byte (369 ms vs 521 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 jQuery or jsDelivr CDN for my website?
Both platforms have trade-offs. jQuery scores higher on overall composite score while jQuery 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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