| Metric | HSTS | Zipkin | Winner |
|---|---|---|---|
| Performance | 49 | 39 | HSTS |
| Accessibility | 89 | 91 | Zipkin |
| Best Practices | 88 | 90 | Zipkin |
| SEO | 91 | 89 | HSTS |
| Security | 70 | 69 | HSTS |
| TTFB | 364ms | 273ms | Zipkin |
| Composite | 75 | 75 | Tie |
HSTS and Zipkin are closely matched, each leading in different categories. HSTS has a composite score of 75 while Zipkin scores 75.
Choose HSTS when your primary concern is performance and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Zipkin when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2556 audited HSTS sites and 10 audited Zipkin 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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