| Metric | HTTP/3 | shadcn/ui | Winner |
|---|---|---|---|
| Performance | 56 | 59 | shadcn/ui |
| Accessibility | 90 | 93 | shadcn/ui |
| Best Practices | 90 | 93 | shadcn/ui |
| SEO | 92 | 97 | shadcn/ui |
| Security | 74 | 79 | shadcn/ui |
| TTFB | 426ms | 640ms | HTTP/3 |
| Composite | 79 | 82 | shadcn/ui |
shadcn/ui outperforms HTTP/3 in 6 of 7 categories, with a stronger composite score (82 vs 79). HTTP/3 leads in TTFB.
Choose HTTP/3 when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.
Choose shadcn/ui when your primary concern is SEO and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2366 audited HTTP/3 sites and 156 audited shadcn/ui 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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