Based on 12 and 2421 real audits
| Metric | Howler.js | Microsoft | Winner |
|---|---|---|---|
| Performance | 40 | 39 | Howler.js |
| Accessibility | 87 | 89 | Microsoft |
| Best Practices | 86 | 86 | Tie |
| SEO | 92 | 89 | Howler.js |
| Security | 66 | 66 | Tie |
| TTFB | 435ms | 329ms | Microsoft |
| Composite | 74 | 72 | Howler.js |
Howler.js outperforms Microsoft in 3 of 7 categories, with a stronger composite score (74 vs 72). Microsoft leads in accessibility, TTFB.
Choose Howler.js when your primary concern is SEO and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Microsoft 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 12 audited Howler.js sites and 2421 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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