Based on 1600 and 9 real audits
| Metric | Tailwind CSS | YUI Doc | Winner |
|---|---|---|---|
| Performance | 51 | 49 | Tailwind CSS |
| Accessibility | 90 | 91 | YUI Doc |
| Best Practices | 89 | 90 | YUI Doc |
| SEO | 93 | 90 | Tailwind CSS |
| Security | 71 | 66 | Tailwind CSS |
| TTFB | 412ms | 391ms | YUI Doc |
| Composite | 77 | 74 | Tailwind CSS |
Tailwind CSS outperforms YUI Doc in 4 of 7 categories, with a stronger composite score (77 vs 74). YUI Doc leads in accessibility, best practices, TTFB.
Choose Tailwind CSS when your primary concern is security and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose YUI Doc when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1600 audited Tailwind CSS 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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