Based on 295 and 2550 real audits
| Metric | lit-html | Microsoft | Winner |
|---|---|---|---|
| Performance | 36 | 40 | Microsoft |
| Accessibility | 88 | 89 | Microsoft |
| Best Practices | 87 | 86 | lit-html |
| SEO | 90 | 89 | lit-html |
| Security | 67 | 67 | Tie |
| TTFB | 306ms | 336ms | lit-html |
| Composite | 74 | 73 | lit-html |
lit-html outperforms Microsoft in 4 of 7 categories, with a stronger composite score (74 vs 73). Microsoft leads in performance, accessibility.
Choose lit-html when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Microsoft 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 295 audited lit-html sites and 2550 audited Microsoft 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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