How to set up Google Analytics for React-Router?

Question

I'm trying set up Google Analytics on my react site, and have come across a few packages, but none of which has the kind of set up that I have in terms of examples. Was hoping someone could shed some light on this.

The package I'm looking at is, react-ga.

My render method on my index.js looks like this.

React.render((
<Router history={createBrowserHistory()}>
    <Route path="/" component={App}>
        <IndexRoute component={Home} onLeave={closeHeader}/>
        <Route path="/about" component={About} onLeave={closeHeader}/>
        <Route path="/gallery" component={Gallery} onLeave={closeHeader}/>
        <Route path="/contact-us" component={Contact} onLeave={closeHeader}>
            <Route path="/contact-us/:service" component={Contact} onLeave={closeHeader}/>
        </Route>
        <Route path="/privacy-policy" component={PrivacyPolicy} onLeave={closeHeader} />
        <Route path="/feedback" component={Feedback} onLeave={closeHeader} />
    </Route>
    <Route path="*" component={NoMatch} onLeave={closeHeader}/>
</Router>), document.getElementById('root'));

Answer 1

I suggest using the Segment analytics library and following the React quickstart guide to track page calls using the react-router library. You can allow the <Route /> component to handle when the page renders and use componentDidMount to invoke page calls. The example below shows one way you could do this:

    const App = () => (
      <div>
        <Switch>
          <Route exact path="/" component={Home} />
          <Route path="/about" component={About} />
        </Switch>
      </div>
    );

    export default App;

    export default class Home extends Component {
      componentDidMount() {
        window.analytics.page('Home');
      }

      render() {
        return (
          <h1>
            Home page.
          </h1>
        );
      }
    }

I’m the maintainer of https://github.com/segmentio/analytics-react. With Segment, you’ll be able to switch different destinations on-and-off by the flip of a switch if you are interested in trying multiple analytics tools (we support over 250+ destinations) without having to write any additional code.

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Answer 2

Given that google analytics is loaded and initialised with a tracking id.

Here is a solution for react-router version 4 using the <Route> component to track page views.

<Route path="/" render={({location}) => {
  if (typeof window.ga === 'function') {
    window.ga('set', 'page', location.pathname + location.search);
    window.ga('send', 'pageview');
  }
  return null;
}} />

You simply render this component inside the <Router> (but not as a direct child of a <Switch>).

What happens is that whenever the location prop changes it causes a re-render of this component (not actually rendering anything) that fire a pageview.

Answer 3

Keep a reference to your history object. i.e.

import { createBrowserHistory } from 'history';

var history = createBrowserHistory();

ReactDOM.render((
    <Router history={history}>
        [...]

Then add a listener to record each pageview. (This assumes you've already set up the window.ga object in the usual manner.)

history.listen((location) => {
    window.ga('set', 'page', location.pathname + location.search);
    window.ga('send', 'pageview');
});

Answer 4

For dynamically updating url on some event (like onClick etc), following can be used:

 //Imports
 import ReactGA from "react-ga";
 import { createBrowserHistory } from "history";

 // Add following on some event, like onClick (depends on your requirement)
 const history = createBrowserHistory();
 ReactGA.initialize("<Your-UA-ID-HERE>");
 ReactGA.pageview(history.location.pathname);

Answer 5

I would suggest using the excellent react-router-ga package that is extremely lightweight and easy to configure, especially when using the BrowserRouter wrapper.

Import the component:

import Analytics from 'react-router-ga';

Then simply add the <Analytics> within your BrowserRouter:

<BrowserRouter>
    <Analytics id="UA-ANALYTICS-1">
        <Switch>
            <Route path="/somewhere" component={SomeComponent}/>
        </Switch>
    </Analytics>
</BrowserRouter>

Answer 6

Always go with the library's recommended way

In the React-GA documentation, they have added a community component recommended for using with React Router: https://github.com/react-ga/react-ga/wiki/React-Router-v4-withTracker

Implementation

import withTracker from './withTracker';

ReactDOM.render(
  <Provider store={store}>
    <ConnectedRouter history={history}>
      <Route component={withTracker(App, { /* additional attributes */ } )} />
    </ConnectedRouter>
  </Provider>,
  document.getElementById('root'),
);

Code

import React, { Component, } from "react";
import GoogleAnalytics from "react-ga";

GoogleAnalytics.initialize("UA-0000000-0");

const withTracker = (WrappedComponent, options = {}) => {
  const trackPage = page => {
    GoogleAnalytics.set({
      page,
      ...options,
    });
    GoogleAnalytics.pageview(page);
  };

  // eslint-disable-next-line
  const HOC = class extends Component {
    componentDidMount() {
      // eslint-disable-next-line
      const page = this.props.location.pathname + this.props.location.search;
      trackPage(page);
    }

    componentDidUpdate(prevProps) {
      const currentPage =
        prevProps.location.pathname + prevProps.location.search;
      const nextPage =
        this.props.location.pathname + this.props.location.search;

      if (currentPage !== nextPage) {
        trackPage(nextPage);
      }
    }

    render() {
      return <WrappedComponent {...this.props} />;
    }
  };

  return HOC;
};

export default withTracker;