Smerdoff
Smerdoff Technologies / Next.js

Next.js Development Company for Fast, SEO-Ready Web Apps

Next.js is the default choice when SEO, first-load speed, or server rendering actually matter for the business — not just a trend to follow. We build SSR/SSG apps on the App Router, migrate existing React codebases without a risky rewrite, and deploy on Vercel or your own infrastructure depending on what the project needs.

Next.jsReactSSR/SSGApp RouterVercel
10–30%
of a full build is what a lean first version costs on a modern stack — validate before you scale
MVP cost research
~3×
higher conversion for a 1-second site vs a 5-second one — the stack you build on decides this
Web design research

Why teams choose a dedicated Next.js team over a generalist agency

Next.js gives you a lot of levers — rendering mode, caching, routing — and most of the performance problems we get called in for come from those levers being pulled wrong.

Rendering strategy matched to the page

SSR, SSG, ISR, or client rendering chosen per route based on what it actually needs — not one mode applied everywhere by default.

SEO-first architecture

Metadata, sitemaps, structured data, and Core Web Vitals treated as launch requirements, not a follow-up ticket after the site is live.

React-to-Next.js migrations that don't stall

We move existing SPAs to Next.js incrementally, route by route, so the app stays shippable throughout the migration instead of frozen mid-rewrite.

Deployment flexibility

Vercel when its edge network and zero-config pipeline are the right fit, self-hosted or containerized when your infrastructure requirements say otherwise.

Senior engineers, not a junior bench

The people scoping your rendering and caching strategy are the ones building it — no gap between the sales pitch and the actual delivery team.

Built to hand off

Clean route structure, documented data-fetching patterns, and commit history your in-house team can pick up without reverse-engineering decisions.

What a Next.js engagement typically includes

Scoped to what your product needs — not a fixed package of features you'll pay for and never use.

SSR & SSG web apps

Marketing sites, e-commerce storefronts, and content-driven apps built for fast first paint and strong SEO.

React-to-Next.js migration

Moving an existing create-react-app or Vite SPA to Next.js for SEO, routing, or performance without a ground-up rewrite.

Vercel deployment & optimization

Edge functions, ISR, image optimization, and caching configured for the platform you're actually deploying to.

API routes & backend integration

Route handlers and server actions connecting your frontend to existing APIs or databases without leaking logic into components.

Performance audits

Bundle size, hydration cost, and Core Web Vitals fixes for Next.js apps that have slowed down since launch.

Staff augmentation

Senior Next.js engineers embedded in your existing team for a defined engagement or ongoing capacity.

FAQ

When SEO, server rendering, or fast first-load genuinely matter for the business — a public marketing site, a content-heavy app, or anything indexed by search engines. If you're building an authenticated internal tool where none of that applies, plain React is simpler and just as valid.

Yes. We typically migrate incrementally — new routes on Next.js first, existing ones moved over as budget allows — so the app stays live and shippable throughout, rather than a risky big-bang rewrite.

Both, depending on the project. Vercel is a strong default for its edge network and zero-config pipeline; we deploy self-hosted or containerized when compliance, cost at scale, or existing infrastructure make that the better fit.

Server-side rendering and static generation mean search engines get fully rendered HTML instead of a blank shell waiting on JavaScript, and built-in tools for metadata, sitemaps, and structured data mean SEO fundamentals are handled by the framework rather than bolted on afterward.

Related

Get a free estimate for your Next.js project

Tell us what you're building or migrating — we'll scope a rendering and deployment approach with a fixed estimate.