# Astro
> An Astro page whose bundled script collects on submit; the page itself stays static HTML.
Source: https://whiskerjs.com/guides/astro/ (last updated 2026-10-26)
> **In plain words:**
>
> An Astro page is HTML made on the server or at build time. The small script at the bottom is the only part that runs in the visitor’s browser: when the form is submitted it gets a one-time code from your server, lets WhiskerJS read the browser and posts the result with the form.
## Install: build from source
WhiskerJS is not on npm yet; the npm package is coming. Build it and install the tarball:
```sh
cd whiskerjs
pnpm install && pnpm build && pnpm pack # writes whiskerjs-0.1.0.tgz
cd ../my-astro-site
npm install ../whiskerjs/whiskerjs-0.1.0.tgz
```
## The page
`src/pages/index.astro`:
```astro
---
// Rendered on the server or at build time: no WhiskerJS code runs here.
---
Sign in
```
## How it works
- **The frontmatter** (between the `---` lines) runs on the server or at build time. Nothing from WhiskerJS belongs there: there is no browser to read.
- **The `