Based on 2572 and 19 real audits
| Metric | Microsoft | X-Clacks-Overhead | Winner |
|---|---|---|---|
| Performance | 40 | 48 | X-Clacks-Overhead |
| Accessibility | 89 | 88 | Microsoft |
| Best Practices | 86 | 85 | Microsoft |
| SEO | 89 | 88 | Microsoft |
| Security | 67 | 71 | X-Clacks-Overhead |
| TTFB | 337ms | 322ms | X-Clacks-Overhead |
| Composite | 73 | 76 | X-Clacks-Overhead |
X-Clacks-Overhead outperforms Microsoft in 4 of 7 categories, with a stronger composite score (76 vs 73). Microsoft leads in accessibility, best practices, SEO.
Choose Microsoft when your primary concern is accessibility and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose X-Clacks-Overhead 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 2572 audited Microsoft sites and 19 audited X-Clacks-Overhead 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 →
Send Feedback