Based on 34 and 2421 real audits
| Metric | Integral Ad Science | Microsoft | Winner |
|---|---|---|---|
| Performance | 35 | 39 | Microsoft |
| Accessibility | 88 | 89 | Microsoft |
| Best Practices | 83 | 86 | Microsoft |
| SEO | 93 | 89 | Integral Ad Science |
| Security | 65 | 66 | Microsoft |
| TTFB | 274ms | 329ms | Integral Ad Science |
| Composite | 72 | 72 | Tie |
Microsoft outperforms Integral Ad Science in 4 of 7 categories, with a stronger composite score (72 vs 72). Integral Ad Science leads in SEO, TTFB.
Choose Integral Ad Science when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Microsoft when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 34 audited Integral Ad Science 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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