Comparison

Astro vs Svelte

On the evidence we track, Svelte 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.

Astro full profile →Svelte full profile →

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Astro68

★Svelte78

Attribute comparison across 2 tools
Attribute	Astro	SvelteLeader
Vioscale score	68 / 100medium · 67%	78 / 100medium · 71%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	open_source
Price levelpricing.price_level	free	free
Integrations
Countintegrations.count	18	-
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	✓	-
Scorecardsecurity.scorecard	-	7.9
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: 14 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=svelte&per_page=100 · Last 12m: 12 · Max severity: HIGH
Adoption
Dependent reposadoption.dependent_repos	18,705	56,439
Github starsadoption.github_stars	62,072	87,991
Package downloads weeklyadoption.package_downloads_weekly	4,952,430	5,781,541
Stackoverflow questionsadoption.stackoverflow_questions	-	9,000
Activity
Commits last 30dactivity.commits_last_30d	100	87
Release
Cadence daysrelease.cadence_days	-	3
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	MIT
Language
Primarylanguage.primary	TypeScript	JavaScript
Market
Availabilitymarket.availability	-	Available worldwide
Content
Faqcontent.faq	-	8 items

Score

Vioscale score

Astro68 / 100medium · 67%

Svelte78 / 100medium · 71%

Pricing

Free tier

Astro✓

Svelte✓

Model

Astrocommercial

Svelteopen_source

Price level

Astrofree

Sveltefree

Integrations

Count

Astro18

Svelte–

Security

Disclosure policy

Astro–

Svelte✓

Gdpr

Astro✓

Svelte–

Scorecard

Astro–

Svelte7.9

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

SvelteCount: 14 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=svelte&per_page=100 · Last 12m: 12 · Max severity: HIGH

Adoption

Dependent repos

Astro18,705

Svelte56,439

Github stars

Astro62,072

Svelte87,991

Package downloads weekly

Astro4,952,430

Svelte5,781,541

Stackoverflow questions

Astro–

Svelte9,000

Activity

Commits last 30d

Astro100

Svelte87

Release

Cadence days

Astro–

Svelte3

History

Astro20 items

Svelte20 items

License

Spdx

AstroMIT

SvelteMIT

Language

Primary

AstroTypeScript

SvelteJavaScript

Market

Availability

Astro–

SvelteAvailable worldwide

Content

Faq

Astro–

Svelte8 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	Svelte
Core
Paradigm	Server-first JavaScript framework	compiler-based component framework
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)	Small (10–40kb)

Core

Paradigm

AstroServer-first JavaScript framework

Sveltecompiler-based component framework

Reusable component model

Astro✓

Svelte✓

Rendering

Virtual DOM

Astro-

Svelte✗

Signals / fine-grained reactivity

Astro-

Svelte✓

SSR support

Astro✓

Svelte✓

First-class TypeScript

Astro✓

Svelte✗

State

Built-in state management

Astro-

Svelte✓

Ecosystem

Official router

Astro-

Svelte-

Performance

Runtime size

AstroTiny (<10kb)

SvelteSmall (10–40kb)

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

Svelte

Leader

A framework with an integrated compiler that lets developers create streamlined components using standard HTML, CSS, and JavaScript, minimizing runtime overhead in the browser.

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 ↗

Svelte

Leader

Open sourceFree tier

as of 2026-08-14verify ↗

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	Svelte
WebPlatforms	✓	✓
CLIPlatforms	✓	✗
Cloud / SaaSDeployment	✓	-
Self-hostedDeployment	✓	-

Platforms

Web

Astro✓

Svelte✓

CLI

Astro✓

Svelte✗

Deployment

Cloud / SaaS

Astro✓

Svelte–

Self-hosted

Astro✓

Svelte–

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

Svelte

Leader

Not documented yet.

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