Based on 554 and 10 real audits
| Metric | Cart Functionality | Zipkin | Winner |
|---|---|---|---|
| Performance | 38 | 39 | Zipkin |
| Accessibility | 87 | 91 | Zipkin |
| Best Practices | 85 | 90 | Zipkin |
| SEO | 90 | 89 | Cart Functionality |
| Security | 66 | 69 | Zipkin |
| TTFB | 374ms | 273ms | Zipkin |
| Composite | 73 | 75 | Zipkin |
Zipkin outperforms Cart Functionality in 6 of 7 categories, with a stronger composite score (75 vs 73). Cart Functionality leads in SEO.
Choose Cart Functionality 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 554 audited Cart Functionality 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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