ReactJS
Next.js Rendering Strategies: Choosing Between ISG, SSG & SSR
Static Site Generation (SSG)
SSG generates pages during the build process, ensuring high performance. The pre-rendered HTML stays the same until the site is rebuilt.
async function fetchData() { const res = await fetch('https://jsonplaceholder.typicode.com/posts/2'); return res.json();}
Incremental Static Generation (ISG)
ISG enables static pages to refresh incrementally in the background at a set interval (revalidate), keeping the content up-to-date without needing a complete site rebuild.
async function fetchData() { const res = await fetch('https://jsonplaceholder.typicode.com/posts/1', { next: { revalidate: 60 }, // Regenerate page every 60 seconds }); return res.json();}
Server-Side Rendering (SSR)
SSR dynamically generates pages on each request, delivering the most up-to-date data. However, it can be slower than SSG due to real-time data fetching.
async function fetchData() { const res = await fetch('https://jsonplaceholder.typicode.com/posts/3', { cache: 'no-store', // Always fetch fresh data on every request }); return res.json();}
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