Based on 2412 and 228 real audits
| Metric | Microsoft | Next.js App Router | Winner |
|---|---|---|---|
| Performance | 39 | 40 | Next.js App Router |
| Accessibility | 89 | 90 | Next.js App Router |
| Best Practices | 86 | 88 | Next.js App Router |
| SEO | 89 | 94 | Next.js App Router |
| Security | 66 | 68 | Next.js App Router |
| TTFB | 329ms | 308ms | Next.js App Router |
| Composite | 72 | 74 | Next.js App Router |
Next.js App Router outperforms Microsoft in 7 of 7 categories, with a stronger composite score (74 vs 72). Microsoft leads in no categories.
Microsoft doesn't clearly lead Next.js App Router in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.
Choose Next.js App Router when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2412 audited Microsoft sites and 228 audited Next.js App Router 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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