Next.js SEO Best Practices in 2025

Why SEO matters

Great products still need discoverability. App Router gives you first-class SEO with typed metadata, route-level generateMetadata, and automatic sitemap support.

What to implement

• Route metadata with canonical URLs
• OpenGraph and Twitter cards
• Structured data (JSON-LD) for Blog, Breadcrumb, and Article
• Human-friendly URLs and readable content