Compare
Bolt vs Astro
Bolt is built to generate and iterate on applications. A dedicated site codebase (Next.js or Astro) is built around pages marketing can edit and search can read. The question is which parts of the project still need application architecture.
- Price
- From $5,000
- Timeline
- Typically 4–6 weeks
- Included
- 30 days of hypercare
- Code
- In your name
Output
Migration trace
Sample run
northwind.example
- 01 Read the Webflow site
- 02 Map pages, CMS fields and redirects
- 03 Draft an Astro pull request
Pull request
The NewBase Stack
Astro, Sanity and Cloudflare. Sample only. This page does not open a pull request.
Site check
Not live
Not run on the sample
This trace is a sample of a migration. The site check has not run. Paste a Webflow URL and only this pane can go live.
- Platform
- Checked address
- Sitemap entries
- Mobile performance
Reasons
Move the website layer to Astro, The NewBase Stack, when
-
Most public routes exist to be read rather than used like an application.
-
Marketing content needs a deliberate publishing model of its own.
-
The public front end should ship less application runtime than the product does.
Differences
Four things that change when the public site gets its own architecture.
-
Infrastructure
A page that is words does not need a server
Bolt scaffolds a stack because that is what it scaffolds, so a site that is four sections and a contact form arrives with a backend, a database and the wiring between them.
Astro renders those sections once, at build, and the form posts to whatever receives it. The infrastructure that remains is the infrastructure something actually needed.
-
Builds
AI iteration and repository work stop being a trade
Bolt syncs two ways with GitHub and its CLI pushes and pulls a project locally, so prompt-driven development and ordinary developer tooling are both already available.
Neither operating model is universally better. What Astro adds is that the public site is designed rather than generated, so the next change is made against explicit routes and components rather than against whatever the last prompt produced.
-
Copy
The copy stops being code
Scaffolded projects keep the words inside the components, so every headline is a pull request and marketing is queued behind whoever owns the repository.
Moving the copy into a content model is most of the work in one of these projects, and it is the change that decides whether anybody but a developer can run the site.
-
What ships
Public pages become documents first
Bolt produces crawlable public sites and pre-renders them on its own hosting, so the reason to move a marketing surface is not that it cannot be indexed.
It is that a page whose job is to communicate may not need the same client architecture as the application behind it. Astro renders it primarily as HTML and adds JavaScript only where interaction requires it, which is the difference a visitor on a phone feels.
Compare
Capability by capability.
| What is being compared | Bolt | Astro |
|---|---|---|
| Where the project runs | Bolt In the browser while you build, and on Bolt's hosting or anywhere else once you sync it out | Astro On your machine and on whichever host you pick, from the same build The browser container is why the feedback loop is so fast. It stopped being the only place the project can live: Bolt commits to GitHub as you work, pulls outside changes back, and its CLI moves a project between the two. |
| What one prompt scaffolds | Bolt A front end, a backend and the wiring between them | Astro Whatever the site actually needs, decided once A full stack arriving by default is the reason so many of these projects have a server behind a page that is really just words. It is the right default for an application and an expensive one for a brochure. |
| What a public page ships | Bolt The application, pre-rendered on Bolt's hosting so a crawler can read it | Astro HTML, with islands only where something is interactive Not a crawlability argument: Bolt pre-renders. The question is whether a page whose job is to be read needs the client architecture the product behind it does. |
| Content model | Bolt Whatever the scaffold happened to create | Astro Collections somebody designed |
| Development workflow | Bolt Prompting, plus a CLI, a repository and ordinary editing | Astro Repository-first, by people or by coding agents |
| Who maintains it | Bolt Your team, with more of the infrastructure managed for you | Astro Your team owns the build, the deploy and the dependencies |
Questions
Bolt and Astro, answered.
Is Astro better than Bolt?
For a marketing site, yes, and for an application, no. Bolt is built to get a working stack in front of you quickly, which is the right tool when the question is whether the idea holds. Astro is built to render pages before anybody asks for them, which is the right tool when the question is whether the page loads and can be found.
Can I keep using Bolt for the product and Astro for the site?
That is usually the right answer, and it is what I'd recommend. The application stays where it works, the marketing pages become a codebase in front of it, and the two are connected deliberately rather than sharing one scaffold because one prompt produced both.
How long does moving a Bolt project take?
Four to six weeks for a marketing site, then 30 days of post-launch checks. Nothing has to be extracted: the code is already yours and already in a familiar framework. The schedule goes into sorting which components need React, lifting the copy out of them, and the same inventory, redirect and launch checks as any other migration.
Will I lose the design?
No. The components and their styles come across; what changes is how they are delivered. The parts that only render become markup and the parts that are genuinely interactive stay as islands, so the page looks the same and stops shipping a framework to draw a heading.
What if the project turns out to be an app after all?
Then keep it. That is a real outcome of the first conversation and not a wasted one: the honest answer is a marketing site in front of the application rather than a rewrite of it, which is a smaller project with a better result.
Let me plan your next step.
I can scope a migration. Send a brief and I will reply by email with next steps.