What is are different revalidation strategies in Incremental Static Regeneration (ISR)?

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Time-based revalidation On-demand revalidation with revalidatePath On-demand revalidation with revalidateTag // app/products/[id]/page.tsx // Revalidate the page every 60 seconds export const revalidate = 60; export default async function ProductPage({ params }) { const product = await fetch(`https://api.example.com/products/${params.id}`, { next: { revalidate: 60 } }).then(res => res.json()); return

{product.name}

; } // app/actions/publish.ts (Server Action) 'use server' import { revalidatePath } from 'next/cache'; export async function publishPost(formData: FormData) { // Save the post to database await savePost(formData); // Revalidate the specific post page revalidatePath('/blog/my-post'); // Revalidate the blog listing page revalidatePath('/blog'); // Revalidate all paths under /blog revalidatePath('/blog', 'page'); // 'page' (default) or 'layout' } // app/products/page.tsx (Listing page) // Tag all product list requests with 'products' const products = await fetch('https://api.example.com/products', { next: { tags: ['products'] } }).then(res => res.json()); // app/products/[id]/page.tsx (Product detail page) // Tag individual product requests with their own ID and also the general 'products' tag const product = await fetch(`https://api.example.com/products/${id}`, { next: { tags: [`product-${id}`, 'products'] } }).then(res => res.json()); // app/actions/update.ts (Server Action) 'use server' import { revalidateTag } from 'next/cache'; export async function updateProduct(productId: string, data: any) { await updateProductInDB(productId, data); // Revalidate the specific product's cache revalidateTag(`product-${productId}`); // Revalidate the entire product listing cache revalidateTag('products'); }

What is are different revalidation strategies in Incremental Static Regeneration (ISR)?

What is are different revalidation strategies in Incremental Static Regeneration (ISR)?

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