| Metric | Microsoft | VWO | Winner |
|---|---|---|---|
| Performance | 40 | 40 | Tie |
| Accessibility | 89 | 87 | Microsoft |
| Best Practices | 86 | 86 | Tie |
| SEO | 89 | 90 | VWO |
| Security | 67 | 66 | Microsoft |
| TTFB | 333ms | 292ms | VWO |
| Composite | 73 | 73 | Tie |
Microsoft and VWO are closely matched, each leading in different categories. Microsoft has a composite score of 73 while VWO scores 73.
Choose Microsoft when your primary concern is accessibility and security. Its audit data shows consistent strength in these areas across the sampled sites.
Choose VWO when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2529 audited Microsoft sites and 97 audited VWO 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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