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Astro vs SolidStart

Astro logo

Astro

Web Development

Web framework for content-driven sites shipping minimal JavaScript by default

From
Free
Rated
-
Full reviewWebsite
SolidStart logo

SolidStart

Web Development

Full-stack meta-framework for SolidJS with fine-grained reactivity

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Astro limited to static site generation and server-side rendering; real-time applications requiring constant client-server communication are unsuitable; SolidStart smaller ecosystem compared to Next.js or Remix due to relative newness

Where they differ

Only the attributes on which Astro and SolidStart actually diverge.

Attributes where Astro and SolidStart differ
AttributeAstroSolidStart
PlatformsWeb, Node.js, Cloudflare, Vercel, Netlify, AWS, DenoWeb

Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), user rating (Not yet rated), category (Web Development).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Astro

Nothing recorded that SolidStart does not also cover.

Only in SolidStart

  • Fine-grained reactivity
  • Server actions
  • Single-flight mutations
  • Request deduplication
  • Multi-router support
  • Automatic API generation
  • Vite integration

What people use each for

The jobs each tool is most often brought in to do.

Astro

  • Marketing websites and landing pages prioritising performance and SEOnot SolidStart
  • Documentation and blog platforms with high page volumesnot SolidStart
  • E-commerce storefronts where page speed affects conversion ratesnot SolidStart
  • Portfolio and personal websites showcasing static content with minimal interactivitynot SolidStart
  • Multi-language sites requiring efficient content management and translationnot SolidStart
  • JAMstack projects integrating headless CMS platforms (Contentful, Sanity, Strapi)not SolidStart

SolidStart

  • Building lightweight full-stack applications with minimal runtime overheadnot Astro
  • Projects requiring fine-grained reactivity and automatic dependency trackingnot Astro
  • Applications targeting multiple deployment platforms with single codebasenot Astro
  • Teams prioritizing performance and small bundle sizesnot Astro

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Astro

  • Limited to static site generation and server-side rendering; real-time applications requiring constant client-server communication are unsuitable
  • Smaller ecosystem compared to Next.js; fewer third-party component libraries and integrations readily available
  • Build time increases with large content volumes (1,000+ pages); incremental builds not yet as optimised as Gatsby or Next.js
  • API routes and serverless functions are less mature than Next.js; complex backend integrations require additional tooling

SolidStart

  • Smaller ecosystem compared to Next.js or Remix due to relative newness
  • SolidJS less familiar to developers with React experience
  • Community documentation not as extensive as larger frameworks
  • Limited third-party UI component libraries compared to React ecosystem

Pricing, plan by plan

Astro

Free

No published plan breakdown. See the Astro review.

SolidStart

Free

No published plan breakdown. See the SolidStart review.

Which should you pick?

Choose Astro if

  • You want to start without paying.
  • You work on Web, Node.js, Cloudflare, Vercel, Netlify, AWS, Deno.
Astro review

Choose SolidStart if

  • You need fine-grained reactivity.
  • You want to start without paying.
  • You also want server actions.
SolidStart review

Questions people ask

Is Astro or SolidStart better?
Neither clearly leads. Astro starts at Free and SolidStart at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Astro or SolidStart?
Astro starts at Free and SolidStart at Free.
Does Astro or SolidStart run on more platforms?
Astro runs on Web, Node.js, Cloudflare, Vercel, Netlify, AWS, Deno. SolidStart runs on Web.
Can I use Astro for free?
Both have a free tier, so you can try either at no cost before committing.
What is Astro best used for?
Astro is most often used for marketing websites and landing pages prioritising performance and seo, documentation and blog platforms with high page volumes, e-commerce storefronts where page speed affects conversion rates, portfolio and personal websites showcasing static content with minimal interactivity. Of those, marketing websites and landing pages prioritising performance and seo and documentation and blog platforms with high page volumes are not what SolidStart is typically brought in for.
What can Astro do that SolidStart cannot?
SolidStart covers Fine-grained reactivity, Server actions, Single-flight mutations, Request deduplication.

Answered from the vendors’ own pages

Astro: Is Astro free?

Yes. Astro is free and open-source under MIT licence. Deployment hosting (Vercel, Netlify, Cloudflare, AWS) may incur costs depending on usage.

Source
SolidStart: What is SolidJS and how does it differ from React?

SolidJS uses fine-grained reactivity and automatic dependency tracking instead of React's virtual DOM, resulting in smaller bundles and better performance.

Source
Astro: Can I use React components in Astro?

Yes. Astro supports React, Vue, Svelte, Preact, and Solid components. Components are server-rendered by default; add client: directives to enable client-side interactivity only where needed.

Source
SolidStart: How many deployment platforms does SolidStart support?

SolidStart supports over 20 deployment platforms including Cloudflare, Netlify, Vercel, Deno, AWS, and Azure through Vite plugins.

Source
Astro: How does Astro compare to Next.js for performance?

Astro achieves superior Core Web Vitals scores (66% pass rate vs Next.js 30%) by shipping minimal JavaScript. Next.js defaults to client-side rendering; Astro renders on the server by default.

Source
SolidStart: Can I use TanStack Router with SolidStart?

Yes, SolidStart supports using either the official Solid Router or TanStack Router depending on project requirements.

Source
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