# Add tracker to React Router App

## 1. Include the UXWizz tracking snippet in your index.html file

You should now be able to use `UST` in your application. If you use TypeScript, you can declare `UST` as any. TypeScript typings for the tracker will be released soon.

## 2. Track pageviews

By default, being a SPA, only the entry pageview will be tracked.

To track all consequent pageviews, include a new UXWizzPageview\.ts in your app

```jsx
import { useEffect } from 'react';
import { useLocation } from 'react-router-dom';

export default function UXWizzPageview() {
    const location = useLocation();
    const isInitialLoad = useRef(true);

    useEffect(() => {
        if (isInitialLoad.current) {
            isInitialLoad.current = false
            return;
        };
        if (typeof window === 'undefined') return;
        const ust = (window as typeof window & { UST: { trackNewPage: () => void } })['UST'];
        if (!ust || !ust.trackNewPage) return;
        ust.trackNewPage(); // Call on route change, but not on initial load
    }, [location]);
    
    return null;
};
```

Then, in your main App component, include `UXWizzPageview`.

<pre class="language-jsx"><code class="lang-jsx">// ...
import UXWizzPageview from './UXWizzPageview';

<strong>export default function App() {
</strong>  return (
    &#x3C;Router>
      &#x3C;UXWizzPageview/>
      {/* your other components */}
    &#x3C;/Router>
  );
}
</code></pre>

{% hint style="info" %}
UXWizz will automatically track the initial page-load (when the tracker file is loaded).

We added a check, to avoid tracking the initial page-load again.
{% endhint %}

{% hint style="warning" %}
If you don't use TypeScript, you can simply remove the typings replace this line:

```javascript
const ust = (window as typeof window & { UST: { trackNewPage: () => void } })['UST'];
```

with

```javascript
const ust = window['UST'];
```

{% endhint %}


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