| Metric | Envoy | Zipkin | Winner |
|---|---|---|---|
| Performance | 36 | 39 | Zipkin |
| Accessibility | 88 | 91 | Zipkin |
| Best Practices | 86 | 90 | Zipkin |
| SEO | 92 | 89 | Envoy |
| Security | 67 | 69 | Zipkin |
| TTFB | 293ms | 273ms | Zipkin |
| Composite | 73 | 75 | Zipkin |
Zipkin outperforms Envoy in 6 of 7 categories, with a stronger composite score (75 vs 73). Envoy leads in SEO.
Choose Envoy when your primary concern is 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 best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 86 audited Envoy 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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