SvelteKit for when performance is the feature.

Teams come to us for SvelteKit development when the site itself is the product and speed is a feature, not a nice-to-have. That is the work SvelteKit is built for. Because it compiles components to small, direct JavaScript instead of shipping a runtime that diffs a virtual DOM, the browser downloads and runs less code, so the page becomes interactive faster. We reach for it on brand-forward sites where scroll-driven animation, WebGL, and cinematic transitions have to stay smooth on a mid-range phone, and on storefronts where a fast product page is the difference between a sale and a bounce. Svelte 5 runes give us fine-grained reactivity with far less boilerplate than a component tree usually demands, which keeps the code readable as the site grows. The site you are reading now runs on SvelteKit, so this is the stack we trust for our own front door.

SvelteKit and Next.js are both excellent, and the honest answer is that we pick per project rather than by loyalty. We choose SvelteKit when the front end is the experience: heavy animation, tight performance budgets, or a brand site where every kilobyte of shipped JavaScript shows up in the time-to-interactive number. Its compiled output and minimal runtime give us headroom that a virtual-DOM framework spends on itself. We choose Next.js when the project leans on a deep React ecosystem, a large team that already thinks in React, or complex authenticated application logic where that maturity pays off. Neither is a downgrade. On animation-led marketing sites and performance-critical storefronts SvelteKit usually wins on the metrics that matter, and we make the call against the actual project rather than a template preference.