Next.js Development Company
Next.js exists to solve one problem well: pages that must be complete in the HTML before any JavaScript runs. If search traffic, link previews or first-load speed matter commercially, that is worth the extra machinery. If not, plain React is simpler.
Discuss your projectChoosing a rendering strategy per route
The most consequential Next.js decisions are made route by route, not once for the whole application. Getting this wrong is why some Next.js sites are slower than the static site they replaced.
| Strategy | Rendered | Right for | Watch out for |
|---|---|---|---|
| Static | At build time | Marketing pages, docs, blog posts | Long builds once there are thousands of pages |
| Static with revalidation | At build, refreshed on a timer | Catalogues, listings that change hourly | Users can see stale content between revalidations |
| Server-rendered | On each request | Personalised or frequently changing pages | Every request costs server time; caching needs thought |
| Client-rendered | In the browser | Dashboards behind a login | Nothing for a crawler to read, which is fine here |
Our default: static or static-with-revalidation for anything public, server-rendered only where the content genuinely differs per request, and client-rendered for authenticated application screens. A page that is server-rendered for no reason is a page you pay for on every visit.
Caching is the part that surprises teams
Next.js caches in several layers — the data fetched, the rendered route, and the router on the client — and the defaults are aggressive. The usual symptom is a content change that is live in the CMS and not visible on the site, or a page that shows the previous user's data because something was cached that should not have been.
So we make caching explicit per route rather than inheriting whatever the framework defaults to, and we document which routes revalidate on what trigger. Where content comes from a CMS we wire up on-demand revalidation, so publishing updates the page immediately instead of waiting for a timer.
Anything that depends on the signed-in user is marked as uncacheable deliberately. The failure where one user sees another's data is the worst bug this framework makes easy, and it is prevented by being explicit rather than by being careful.
What we set up as standard
- Metadata per route — title, description, canonical, Open Graph and Twitter cards — generated from the content rather than hand-maintained.
- A sitemap and robots file produced from the real route list, so a new page cannot be missing from them.
- Structured data where it applies: Article, Product, FAQ, BreadcrumbList.
- Images through the framework's own image handling, sized and in modern formats, which is normally the largest single page-speed win.
- Fonts self-hosted and preloaded rather than fetched from a third party, which removes a render-blocking request to another origin.
- Core Web Vitals measured on real page loads, not only in a lab tool — field data and lab data disagree more often than people expect.
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