Content architecture at scale: folders, slugs and pagination in Next.js

As a content collection grows, the challenge moves from rendering it to maintaining and evolving it. These patterns have worked well in Next.js.

Folder and naming conventions

• Keep one post per file under src/content/posts/*.md.
• Match the filename to the slug, such as supabase-next-auth.md.
• Add collection folders only when real categories emerge, such as src/content/posts/ai/*.md.

Stable slugs

• A slug is part of the public contract; avoid renaming it.
• If it changes, maintain a 301 redirect map in configuration or middleware.
• Keep dates in frontmatter rather than in slugs.

Minimal validated frontmatter

• Include title, slug, date, description, tags, author, draft, coverImage and excerpt.
• Validate during the build and fail early when critical data is missing.

Indexes and listings

• Generate an index from metadata without rendering every full article.
• Sort by descending date and hide drafts.
• Allow tag filters without unnecessary complexity; a simple query string is often enough.

Pagination

• Use page-based pagination, such as /blog?page=2, for predictable SEO.
• Keep the page size stable and provide canonical links.
• Add next and previous links with appropriate relationships.

Search and relationships

• Client-side search over titles, descriptions and tags with a tool such as Fuse.js is enough for an MVP.
• Relate posts through shared tags and show three to five related articles at the end.

Build and performance

• Load metadata rather than full article bodies in listing pages.
• Prefer slug-based routes with caching and revalidation where appropriate.

Conclusion

Simple conventions keep a growing blog manageable: filenames match slugs, frontmatter is validated, and indexes and pagination remain predictable. A stable contract makes content easier to evolve.