| Metric | YUI | YUI Doc | Winner |
|---|---|---|---|
| Performance | 41 | 49 | YUI Doc |
| Accessibility | 90 | 91 | YUI Doc |
| Best Practices | 91 | 90 | YUI |
| SEO | 92 | 90 | YUI |
| Security | 68 | 66 | YUI |
| TTFB | 363ms | 391ms | YUI |
| Composite | 74 | 74 | Tie |
YUI outperforms YUI Doc in 4 of 7 categories, with a stronger composite score (74 vs 74). YUI Doc leads in performance, accessibility.
Choose YUI when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose YUI Doc when your primary concern is performance and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 23 audited YUI sites and 9 audited YUI Doc 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 →
Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.
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