| Metric | HSTS | YUI | Winner |
|---|---|---|---|
| Performance | 48 | 41 | HSTS |
| Accessibility | 89 | 90 | YUI |
| Best Practices | 87 | 91 | YUI |
| SEO | 91 | 91 | Tie |
| Security | 69 | 67 | HSTS |
| TTFB | 354ms | 372ms | HSTS |
| Composite | 75 | 73 | HSTS |
HSTS outperforms YUI in 4 of 7 categories, with a stronger composite score (75 vs 73). YUI leads in accessibility, best practices.
Choose HSTS when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose YUI when your primary concern is best practices and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2488 audited HSTS sites and 22 audited YUI 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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