Based on 27 and 240 real audits
| Metric | Impact | Microsoft Advertising | Winner |
|---|---|---|---|
| Performance | 27 | 32 | Microsoft Advertising |
| Accessibility | 89 | 89 | Tie |
| Best Practices | 81 | 79 | Impact |
| SEO | 91 | 90 | Impact |
| Security | 66 | 65 | Impact |
| TTFB | 218ms | 317ms | Impact |
| Composite | 72 | 72 | Tie |
Impact outperforms Microsoft Advertising in 4 of 7 categories, with a stronger composite score (72 vs 72). Microsoft Advertising leads in performance.
Choose Impact when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Microsoft Advertising when your primary concern is performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 27 audited Impact sites and 240 audited Microsoft Advertising 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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