React is the most popular frontend framework in 2026. It's the foundation of Lovable, Bolt.new, and countless custom-built web applications. But React SPAs have a well-documented SEO problem that's been discussed since the framework was created.
Why React SPAs Struggle With SEO
A standard React SPA (created with Vite, Create React App, or any client-side bundler) works like this:
- Server sends a minimal HTML file with an empty
<div id="root"></div> - Browser downloads the JavaScript bundle
- JavaScript executes and renders the content into the DOM
- User sees the full page
The problem is step 1. When search engines, social crawlers, or AI crawlers request your page, they often get stuck at step 1, seeing only the empty HTML shell.
Solution 1: Server-Side Rendering (SSR)
Frameworks like Next.js and Remix render React components on the server, sending full HTML on every request.
- Pros: Best SEO out of the box. Dynamic content rendered per-request.
- Cons: Requires migrating your entire codebase. Server costs increase. More complex deployment. AI code editors like Cursor often break SSR by adding 'use client' everywhere.
Solution 2: Static Site Generation (SSG)
Tools like Gatsby or Vite SSG plugins pre-build HTML files at build time.
- Pros: Fast performance. Good SEO for static content.
- Cons: Doesn't work for dynamic content. Build times increase with page count. Requires build pipeline changes.
Solution 3: Prerendering Service
A prerendering service sits between your domain and your hosting, serving rendered HTML to bots while humans get the normal SPA experience.
- Pros: Zero code changes. Works with any existing SPA. Can be added to any hosting platform. Includes additional features like white-labeling.
- Cons: Monthly cost. First-visit render time for uncached pages.
Which Solution Is Right for You?
If you're starting a new project and have technical resources, Next.js with SSR is the gold standard. If you have an existing SPA that you can't or don't want to migrate (which includes every site built with Lovable, Bolt.new, Replit, or Base44), prerendering is the most practical solution.
PrimeHTML provides done-for-you prerendering for any React SPA. Compare options on our pricing page, or read our detailed comparison of prerendering services.