| Metric | Fastly | Zipkin | Winner |
|---|---|---|---|
| Performance | 46 | 39 | Fastly |
| Accessibility | 91 | 91 | Tie |
| Best Practices | 90 | 90 | Tie |
| SEO | 92 | 89 | Fastly |
| Security | 67 | 69 | Zipkin |
| TTFB | 149ms | 273ms | Fastly |
| Composite | 75 | 75 | Tie |
Fastly outperforms Zipkin in 3 of 7 categories, with a stronger composite score (75 vs 75). Zipkin leads in security.
Choose Fastly when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Zipkin when your primary concern is security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 404 audited Fastly 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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