| Metric | Tailwind CSS | Umami | Winner |
|---|---|---|---|
| Performance | 48 | 57 | Umami |
| Accessibility | 90 | 89 | Tailwind CSS |
| Best Practices | 88 | 93 | Umami |
| SEO | 92 | 92 | Tie |
| Security | 67 | 65 | Tailwind CSS |
| TTFB | 375ms | 314ms | Umami |
| Composite | 75 | 75 | Tie |
Umami outperforms Tailwind CSS in 3 of 7 categories, with a stronger composite score (75 vs 75). Tailwind CSS leads in accessibility, security.
Choose Tailwind CSS when your primary concern is security and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Umami when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 1304 audited Tailwind CSS sites and 13 audited Umami 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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