Drop your files into your required folders, make sure you're using the file(s) from the `dist` folder, which is the compiled production-ready code. Ensure you place the script before the closing `</body>` tag so the DOM tree is populated when the script runs.
```html
<body>
<!-- html content above -->
<scriptsrc="dist/echo.js"></script>
</body>
```
## Configuring Echo
Echo config is super-simple, just add the image that needs to load when visible in a `data-echo` attribute: