The Two-Wave Indexing Problem
Modern JavaScript frameworks (React, Angular, Vue) default to Client-Side Rendering (CSR). When a search engine requests a CSR page, it receives an empty HTML shell. Google must then place the page in a queue for rendering (Wave Two), delaying indexation by days or even weeks.
Server-Side Rendering (SSR) to the Rescue
SSR executes the JavaScript application on the server, generating fully populated HTML before sending it to the client or crawler. This ensures immediate indexation and optimal AI data extraction.
- Next.js and Nuxt: Utilize meta-frameworks that support SSR and Static Site Generation (SSG) out of the box.
- Dynamic Rendering: If full SSR is impossible, implement dynamic rendering to serve prerendered HTML to verified bots while serving the CSR app to users.
- Hydration Optimization: Ensure your SSR hydration process does not block the main thread, maintaining high Core Web Vitals scores.
AI Crawlers Lack Patience
While Google has the compute power to render CSR, newer LLM crawlers and AI agents do not. They rely purely on the initial HTML response. If your content requires JS execution to become visible, you are invisible to AI.