laguagu/nextjs-seo
Next.js App Router SEO optimization and auditing. Use when implementing or fixing SEO in a Next.js app — metadata and generateMetadata, viewport/themeColor, Open Graph and og/twitter images (file conventions + ImageResponse), web app manifest, favicons/icons, sitemap.xml, robots.txt, canonical URLs, hreflang/i18n alternates, JSON-LD structured data and rich results, Core Web Vitals (LCP/INP/CLS), AI search/GEO and AI crawler rules (GPTBot, OAI-SearchBot), or diagnosing Google indexing problems (Search Console, "Discovered/Crawled - currently not indexed"). Also use to run an SEO audit checklist. Not for general Next.js feature work unrelated to SEO.