Based on 240 and 15 real audits
| Metric | Microsoft Advertising | Yahoo Advertising | Winner |
|---|---|---|---|
| Performance | 32 | 29 | Microsoft Advertising |
| Accessibility | 89 | 82 | Microsoft Advertising |
| Best Practices | 79 | 76 | Microsoft Advertising |
| SEO | 90 | 92 | Yahoo Advertising |
| Security | 65 | 60 | Microsoft Advertising |
| TTFB | 317ms | 793ms | Microsoft Advertising |
| Composite | 72 | 69 | Microsoft Advertising |
Microsoft Advertising outperforms Yahoo Advertising in 6 of 7 categories, with a stronger composite score (72 vs 69). Yahoo Advertising leads in SEO.
Choose Microsoft Advertising when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Yahoo Advertising when your primary concern is SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 240 audited Microsoft Advertising sites and 15 audited Yahoo 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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