Comparison

Astro vs React

On the evidence we track, React leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Astro full profile →React full profile →

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Astro68

★React80

Attribute comparison across 2 tools
Attribute	Astro	ReactLeader
Vioscale score	68 / 100medium · 67%	80 / 100medium · 73%
Pricing
Free tierpricing.free_tier	✓	-
Modelpricing.model	commercial	commercial
Price levelpricing.price_level	free	free
Integrations
Countintegrations.count	18	-
Security
Gdprsecurity.gdpr	✓	-
Scorecardsecurity.scorecard	-	7
Vulnerabilitiessecurity.vulnerabilities	Count: 25 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=astro&per_page=100 · Last 12m: 20 · Max severity: HIGH	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=react-devtools-core&per_page=100 · Last 12m: 0 · Max severity: MODERATE
Adoption
Dependent reposadoption.dependent_repos	18,705	324,856
Github starsadoption.github_stars	62,072	247,901
Package downloads weeklyadoption.package_downloads_weekly	4,952,430	173,063,703
Stackoverflow questionsadoption.stackoverflow_questions	-	470,000
Activity
Commits last 30dactivity.commits_last_30d	100	53
Release
Cadence daysrelease.cadence_days	-	60
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	MIT
Language
Primarylanguage.primary	TypeScript	JavaScript
Market
Availabilitymarket.availability	-	Available worldwide · Popular in US · HQ US
Content
Faqcontent.faq	-	7 items

Score

Vioscale score

Astro68 / 100medium · 67%

React80 / 100medium · 73%

Pricing

Free tier

Astro✓

React–

Model

Astrocommercial

Reactcommercial

Price level

Astrofree

Reactfree

Integrations

Count

Astro18

React–

Security

Gdpr

Astro✓

React–

Scorecard

Astro–

React7

Vulnerabilities

AstroCount: 25 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=astro&per_page=100 · Last 12m: 20 · Max severity: HIGH

ReactCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=react-devtools-core&per_page=100 · Last 12m: 0 · Max severity: MODERATE

Adoption

Dependent repos

Astro18,705

React324,856

Github stars

Astro62,072

React247,901

Package downloads weekly

Astro4,952,430

React173,063,703

Stackoverflow questions

Astro–

React470,000

Activity

Commits last 30d

Astro100

React53

Release

Cadence days

Astro–

React60

History

Astro20 items

React20 items

License

Spdx

AstroMIT

ReactMIT

Language

Primary

AstroTypeScript

ReactJavaScript

Market

Availability

Astro–

ReactAvailable worldwide · Popular in US · HQ US

Content

Faq

Astro–

React7 items

Capabilities

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

Capability comparison for Frontend UI Frameworks
Capability	Astro	React
Core
Paradigm	Server-first JavaScript framework	Component-based library
Reusable component model	✓	✓
Rendering
Virtual DOM	-	-
Signals / fine-grained reactivity	-	-
SSR support	✓	✓
DX
First-class TypeScript	✓	-
State
Built-in state management	-	-
Ecosystem
Official router	-	-
Performance
Runtime size	Tiny (<10kb)	-

Core

Paradigm

AstroServer-first JavaScript framework

ReactComponent-based library

Reusable component model

Astro✓

React✓

Rendering

Virtual DOM

Astro-

React-

Signals / fine-grained reactivity

Astro-

React-

SSR support

Astro✓

React✓

First-class TypeScript

Astro✓

React-

State

Built-in state management

Astro-

React-

Ecosystem

Official router

Astro-

React-

Performance

Runtime size

AstroTiny (<10kb)

React-

What each one is

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

Astro

A web framework that renders pages on the server and sends minimal JavaScript to browsers, designed for high-performance marketing sites, blogs, and e-commerce platforms.

Independently observed

React

Leader

A library that enables developers to construct user interfaces using individual components as building blocks. React components are JavaScript functions that receive data and render the appropriate output, supporting both web applications and native mobile development through frameworks.

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 source

as of 2026-08-13verify ↗

React

Leader

Open source

as of 2026-08-01verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Astro	React
WebPlatforms	✓	✓
CLIPlatforms	✓	✗
Cloud / SaaSDeployment	✓	-
Self-hostedDeployment	✓	-

Platforms

Web

Astro✓

React✓

CLI

Astro✓

React✗

Deployment

Cloud / SaaS

Astro✓

React–

Self-hosted

Astro✓

React–

Integrations

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

Astro

18 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

Independently observed

React

Leader

Not documented yet.

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