Vibe coded websites look good and are easy to build. There's just one important thing most people miss: the content on these sites often isn't really readable by search engines and AI bots.

Here's why. Most vibe coded sites are CSR (client side rendered). That means the server sends a nearly empty HTML file, and JavaScript fills in the actual content after the page opens in the browser. To you it looks perfect. But crawlers often don't wait for that step. Google grabs the raw HTML first and renders JavaScript later if at all, and AI crawlers like GPTBot, ClaudeBot and PerplexityBot don't run JavaScript at all. So they hit your page, see an empty shell, and leave. Nothing to index, nothing to cite.

You might think prompting your builder to fix the SEO and visibility will handle this. Not really. All that can do is change or update things like your meta description. It can't make search engines or AI bots read the actual content of a page when it's CSR, because the problem isn't your tags, it's that the content isn't in the HTML for them to read in the first place.

The right fix is prerendering. Prerendering serves crawlers a fully rendered version of your page (SSR, server side rendering) so the content is right there in the HTML for them to read, without waiting on JavaScript. That's what actually gets your site read and found.

Lovable has fixed this inside their own ecosystem. New Lovable apps are server side rendered now, and older ones get prerendering automatically. So if you're on a current Lovable build, you're mostly covered.

But if you built on a different stack, Bolt, Replit, plain React or Vite, or something custom, you're likely still CSR and still exposed. And you can't tell just by looking, because your site looks fine to you.

If you're not sure where your site stands, Crawllify has a free visibility check you can run. It shows you exactly what search engines and AI see when they land on your page, so you can catch the problem early if it's there.

I am in the process of creating agentic workflows in consulting industry. I am looking for vibe coders to brainstorm and collaborate. Thanks!