Based on 14 and 2421 real audits
| Metric | Google Optimize | Microsoft | Winner |
|---|---|---|---|
| Performance | 37 | 39 | Microsoft |
| Accessibility | 83 | 89 | Microsoft |
| Best Practices | 82 | 86 | Microsoft |
| SEO | 87 | 89 | Microsoft |
| Security | 64 | 66 | Microsoft |
| TTFB | 366ms | 329ms | Microsoft |
| Composite | 71 | 72 | Microsoft |
Microsoft outperforms Google Optimize in 7 of 7 categories, with a stronger composite score (72 vs 71). Google Optimize leads in no categories.
Google Optimize doesn't clearly lead Microsoft in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.
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 14 audited Google Optimize 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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