If AI search engines can't read your site, the cause is almost always the same three things — and we've already covered why in detail: Why ChatGPT Can't Read Your Lovable Site. The short version: your pages render in the browser with JavaScript, so crawlers get an empty shell; there's no llms.txt; and there's no structured data. Across the 301 vibe-coded sites we scored, 83% came in under 50/100 for exactly these reasons.
This article is about the other half — the fix. And here's the part most write-ups skip: the fix is the same on every stack. Only the how changes. Below are the same three moves on five common setups — Lovable, Bolt, v0, Next.js and WordPress. None of them need a rebuild.
The three fixes (they don't change):
Serve real HTML. Make sure your key pages ship finished HTML content, so a crawler that doesn't run JavaScript still sees your text — not an empty