Based on 353 and 2444 real audits
| Metric | jsDelivr CDN | Microsoft | Winner |
|---|---|---|---|
| Performance | 38 | 39 | Microsoft |
| Accessibility | 88 | 89 | Microsoft |
| Best Practices | 86 | 86 | Tie |
| SEO | 91 | 89 | jsDelivr CDN |
| Security | 65 | 67 | Microsoft |
| TTFB | 360ms | 329ms | Microsoft |
| Composite | 73 | 73 | Tie |
Microsoft outperforms jsDelivr CDN in 4 of 7 categories, with a stronger composite score (73 vs 73). jsDelivr CDN leads in SEO.
Choose jsDelivr CDN when your primary concern is SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Microsoft when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 353 audited jsDelivr CDN sites and 2444 audited Microsoft 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 →
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