Quick Answer: The best way to implement pagination in Next.js without hurting crawlability or speed is to use server-rendered, crawlable page routes with clean, indexable URLs such as /blog?page=2 or /blog/page/2, and reserve client-side pagination only for in-session UX enhancements. Pre-render the first page, render subsequent pages on the server or at build time when feasible, and expose direct internal links so search engines can discover every paginated state efficiently.
In Next.js, pagination should be treated as an architecture problem, not just a UI pattern. The optimal approach is to create deterministic, indexable routes for each page of content, return HTML that includes the full pagination controls and content on initial load, and avoid hiding critical links behind JavaScript-only interactions. For speed, use SSR or SSG/ISR depending on content volatility, fetch only the slice of data required for each page, and keep page payloads lean with stable caching headers, query-based data access, and proper metadata so crawlers and users can traverse the series without wasted render cost.