Based on 2421 and 88 real audits
| Metric | Microsoft | theTradeDesk | Winner |
|---|---|---|---|
| Performance | 39 | 30 | Microsoft |
| Accessibility | 89 | 91 | theTradeDesk |
| Best Practices | 86 | 78 | Microsoft |
| SEO | 89 | 92 | theTradeDesk |
| Security | 66 | 64 | Microsoft |
| TTFB | 329ms | 503ms | Microsoft |
| Composite | 72 | 72 | Tie |
Microsoft outperforms theTradeDesk in 4 of 7 categories, with a stronger composite score (72 vs 72). theTradeDesk leads in accessibility, SEO.
Choose Microsoft when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.
Choose theTradeDesk when your primary concern is SEO and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2421 audited Microsoft sites and 88 audited theTradeDesk 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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