Comparison

Astro vs Preact

On the evidence we track, Preact leads this comparison with a composite score of 78/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Astro72
★Preact78
Score
vioscaleAI score
Astro72 / 100medium · 57%
Preact78 / 100medium · 72%
Pricing
Free tier
Astro✓
Preact✓
Model
Price level
Astrofree
Preactfree
Integrations
Count
Astro18
Preact–
Adoption
Dependent repos
Astro18,705
Preact78,992
Github stars
Astro63,201
Preact38,926
Package downloads weekly
Activity
Commits last 30d
Astro100
Preact70
Release
Cadence days
Astro–
Preact13
History
Preact20 items
License
Spdx
AstroMIT
PreactMIT
Language
Primary
Content
Faq
Astro7 items
Preact4 items

Capabilities

Feature-by-feature on the axes that matter for frontend ui frameworks. “-” means undocumented, not absent.

Core
Paradigm
AstroServer-first JavaScript framework
PreactVirtual DOM component library
Reusable component model
Astro✓
Preact✓
Rendering
Virtual DOM
Astro-
Preact✓
Signals / fine-grained reactivity
Astro-
Preact-
SSR support
Astro✓
Preact✓
DX
First-class TypeScript
Astro✓
Preact-
State
Built-in state management
Astro-
Preact✓
Ecosystem
Official router
Astro-
Preact✓
Performance
Runtime size
AstroTiny (<10kb)
PreactTiny (<10kb)

What each one is

The product in its own terms, so the numbers below have context.

Astro

Astro is a web framework that prioritizes performance through server-side rendering and sends minimal JavaScript to browsers. It features an island architecture for selective interactivity, supports all major UI frameworks, and produces zero unnecessary JavaScript by default.

Independently observed

Preact

Leader

A minimal virtual DOM framework providing React-style components and APIs, optimized for tiny bundle size and fast performance across modern browsers.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Astro

Open sourceFree tier
as of verify ↗

Preact

Leader
Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Astro✓
Preact✓
Deployment
Cloud / SaaS
Astro✓
Preact–

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Astro

21 total
  • React
  • Vue
  • Svelte
  • Tailwind CSS
  • Vercel
  • Cloudflare Workers
  • Node.js
  • Prism
  • MDX
  • Sitemap
  • Starlight
  • Sentry
  • UnoCSS
  • Expressive Code
  • astro-icon
  • astro-seo
  • Fathom Analytics
  • Feedback Fish
  • Cloudflare
  • Sonda
  • Solid
Independently observed

Preact

Leader

Not documented yet.

Still deciding?

Astro or Preact: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.