# Astro

> The web framework for content-driven websites

- **Canonical URI:** https://www.vioscale.ai/software/astro
- **Category:** Frontend UI Frameworks
- **Homepage:** https://astro.build/
- **Also known as:** astro
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T20:58:16.152Z

## Vioscale score

**65.8 / 100**, confidence 36% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 6 | 600 | ✓ |
| reliability | 0 | 8 | 0 | - |
| capabilities | 57.8 | 16 | 925 | ✓ |
| github_stars | 90.3 | 5 | 451.7 | ✓ |
| integrations | 22.4 | 8 | 179 | ✓ |
| github_activity | 63.1 | 18 | 1135.8 | ✓ |
| release_cadence | 0 | 10 | 0 | - |
| security_posture | 0 | 13 | 0 | - |
| package_downloads | 86 | 26 | 2237.1 | ✓ |
| pricing_transparency | 25 | 8 | 200 | ✓ |
| stackoverflow_activity | 0 | 12 | 0 | - |

## Pricing

_As of 2026-08-03, [verify at source](https://astro.build/). Independently observed._

Open source · Free tier

## About

Astro is a JavaScript web framework optimized for building fast, content-driven websites. It renders components on the server and delivers lightweight HTML to the browser with zero unnecessary JavaScript overhead.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI, Web
- **Deployment:** Self-hosted

## Integrations (5)

_Independently observed._

- React
- Vue
- Preact
- Svelte
- Solid

## Capabilities

_The capabilities that matter for Frontend UI Frameworks. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Core** | |
| Paradigm | Server-first rendering with optional interactive islands |
| **Rendering** | |
| Virtual DOM | - |
| Signals / fine-grained reactivity | - |
| SSR support | ✓ |
| **DX** | |
| First-class TypeScript | - |
| **Core** | |
| Reusable component model | ✓ |
| **State** | |
| Built-in state management | - |
| **Ecosystem** | |
| Official router | ✓ |
| **Performance** | |
| Runtime size | - |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/withastro/astro/pulse) | 2026-08-03 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 61,501 | [link](https://github.com/withastro/astro) | 2026-08-03 | 90% (high) |
| adoption.package_downloads_weekly | 4,210,546 | [link](https://www.npmjs.com/package/astro) | 2026-08-03 | 85% (high) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 5 | [link](https://astro.build/) | 2026-08-03 | 60% (medium) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | TypeScript | [link](https://github.com/withastro/astro) | 2026-08-03 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://www.npmjs.com/package/astro) | 2026-08-03 | 85% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://astro.build/) | 2026-08-03 | 60% (medium) |
| pricing.model | commercial | [link](https://astro.build/) | 2026-08-03 | 40% (low) |
| pricing.price_level | free | [link](https://astro.build/) | 2026-08-03 | 60% (medium) |

---
*Source: Vioscale (https://www.vioscale.ai/software/astro). Independent, evidence-based software intelligence. Cite the canonical URI.*