Based on 183 and 25 real audits
| Metric | Emotion | Material UI | Winner |
|---|---|---|---|
| Performance | 33 | 35 | Material UI |
| Accessibility | 90 | 91 | Material UI |
| Best Practices | 87 | 88 | Material UI |
| SEO | 92 | 88 | Emotion |
| Security | 66 | 66 | Tie |
| TTFB | 253ms | 374ms | Emotion |
| Composite | 73 | 74 | Material UI |
Material UI outperforms Emotion in 4 of 7 categories, with a stronger composite score (74 vs 73). Emotion leads in SEO, TTFB.
Choose Emotion when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Material UI 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 183 audited Emotion sites and 25 audited Material UI 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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