React re-renders your entire component tree on every state change. Solid doesn't — it updates only the exact DOM nodes that changed. SolidStart brings this surgical reactivity to a full-stack meta-framework.
Here's why SolidStart deserves a spot in your 2026 toolkit.
What SolidStart Gives You for Free
- Fine-grained reactivity — no virtual DOM, no re-renders, just direct DOM updates
- File-based routing with nested layouts and data loading
- Server functions — call backend code directly from components (RPC-style)
- SSR, SSG, and CSR — choose per route
- Vinxi-powered — built on Nitro, deploys everywhere (Vercel, Netlify, Cloudflare, Node)
- Islands architecture optional — ship zero JS for static content
Quick Start
npm init solid@latest my-app
cd my-app
npm install
npm run dev
Reactivity Without Re-Renders
In React, updating a counter re-renders the entire component. In Solid:
import { createSignal } from 'solid-js';
export default function Counter() {
const [count, setCount] = createSignal(0);
console.log('This runs ONCE, not on every update');
return (
<button onClick={() => setCount(c => c + 1)}>
Count: {count()} {/* Only THIS text node updates */}
</button>
);
}
The console.log runs once. The DOM update is surgical — only the text node with count() changes.
Server Functions (The Killer Feature)
// src/routes/dashboard.tsx
import { createAsync } from '@solidjs/router';
import { query } from '@solidjs/router';
const getUser = query(async () => {
'use server';
const session = await getSession();
return db.users.find(session.userId);
}, 'user');
export default function Dashboard() {
const user = createAsync(() => getUser());
return (
<div>
<h1>Welcome, {user()?.name}</h1>
</div>
);
}
The 'use server' directive means getUser runs on the server. No API route needed. No fetch boilerplate. Type-safe end to end.
Actions (Mutations Made Simple)
import { action, useSubmission } from '@solidjs/router';
const addTodo = action(async (formData: FormData) => {
'use server';
const title = formData.get('title') as string;
await db.todos.create({ data: { title } });
});
export default function Todos() {
const submission = useSubmission(addTodo);
return (
<form action={addTodo} method="post">
<input name="title" />
<button disabled={submission.pending}>Add</button>
</form>
);
}
Performance Comparison
| Metric | SolidStart | Next.js | SvelteKit |
|---|---|---|---|
| Bundle size (counter) | ~3KB | ~85KB | ~5KB |
| Updates mechanism | Direct DOM | Virtual DOM diff | Compiled |
| Component re-renders | Never | Every state change | N/A |
| Memory usage | Lowest | Highest | Low |
| JS Framework Benchmark | #1-2 | #15-20 | #3-5 |
Solid consistently ranks at the top of JS framework benchmarks alongside vanilla JS.
Deploy Anywhere
SolidStart uses Vinxi (built on Nitro), so it deploys to:
- Vercel, Netlify, Cloudflare Workers
- AWS Lambda, Deno Deploy
- Any Node.js server
- Static hosting (SSG mode)
The Verdict
SolidStart combines React's familiar JSX syntax with performance that rivals vanilla JavaScript. If you've ever wished React was faster without reaching for complex memoization — Solid is the answer.
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