# Astro Guide
## As a script tag
Add the script tag to your root layout.
Refer to the [CDN Guide](https://github.com/aidenybai/react-scan/blob/main/docs/installation/cdn.md) for the available URLs.
```astro
```
## As a module import
Add the script to your root layout
```astro
```
If you want react-scan to also run in production, use the react-scan/all-environments import path
```diff
- import { scan } from "react-scan";
+ import { scan } from "react-scan/all-environments";
```