v0 generates Next.js App Router components — but the metadata, sitemap and JSON-LD layer is on you.
Pantra scans your v0-built Next.js site and returns file-level prompts you paste into the v0 chat or apply directly in your repo.
Why v0 apps fail SEO out of the box
v0 is optimised for UI generation. When you ask for a landing page, it builds the component — but rarely the sitemap, the metadata, the JSON-LD, or the next.config headers. Most v0-generated sites ship a beautiful hero and a blank SEO layer.
The 6 SEO layers v0 leaves empty
- 1
No per-page metadata export
HighNext.js expects `export const metadata = { title, description, ... }` in every page.tsx. v0 usually generates the JSX but skips this export — leaving every route with the root layout metadata.
Copy-paste fix prompt → - 2
No openGraph or twitter metadata
HighNext.js has metadata.openGraph and metadata.twitter baked in. Set once in layout.tsx and every page inherits it. v0 rarely writes these fields.
Copy-paste fix prompt → - 3
No app/sitemap.ts
Highv0 does not scaffold app/sitemap.ts. Pantra generates the file listing every route the crawler found, typed as MetadataRoute.Sitemap.
Copy-paste fix prompt → - 4
next.config.ts has no headers()
HighCSP, HSTS, X-Frame-Options, nosniff, Referrer-Policy — all wired via a single async headers() block. v0 does not touch next.config. Pantra emits the exact function.
Copy-paste fix prompt → - 5
No JSON-LD on generated pages
MediumDrop a Script component with application/ld+json into layout.tsx (Organization, WebSite) and each article page (Article). v0 never writes this block.
Copy-paste fix prompt → - 6
No og-image (or broken placeholder)
Mediumv0 often references a placeholder image URL that 404s once deployed. Replace it with a 1200×630 PNG at /og.png plus Next.js opengraph-image.tsx for dynamic routes.
Copy-paste fix prompt →
Frequently asked questions
How does Pantra detect a v0-generated site?expand_more
Do the fixes work if I exported the v0 project to my own repo?expand_more
What about the v0 chat — can I paste the prompt there?expand_more
Will Pantra catch broken shadcn/ui accessibility issues?expand_more
Scan your v0 app now
Pantra runs the full SEO, Security and GEO audit in under 10 seconds and hands back copy-paste prompts tuned for your stack.
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