| Metric | React | Youzan | Winner |
|---|---|---|---|
| Performance | 39 | 41 | Youzan |
| Accessibility | 89 | 66 | React |
| Best Practices | 87 | 69 | React |
| SEO | 93 | 75 | React |
| Security | 67 | 64 | React |
| TTFB | 342ms | 1007ms | React |
| Composite | 74 | 68 | React |
React outperforms Youzan in 6 of 7 categories, with a stronger composite score (74 vs 68). Youzan leads in performance.
Choose React when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Youzan when your primary concern is performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1039 audited React sites and 1 audited Youzan 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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