Best practices for data analysis and tracking using Google Analytics in Vue

Vue is one of the most widely used JavaScript frameworks at present. One of its major features is that it can easily integrate third-party services, such as Google Analytics (hereinafter referred to as GA) and other data analysis and tracking services. Using GA in Vue requires following certain best practices, which this article will discuss.

1. Integrating GA

To integrate GA in Vue, you first need to add the GA script to the HTML file. Normally, this script will be introduced in the root component of the Vue application and executed in the mounted hook function. Code example:

mounted() {
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
 
  ga('create', 'GA跟踪ID', 'auto');
  ga('send', 'pageview');
}

In the above code, you need to replace "GA Tracking ID" with the tracking code you created in GA.

2. Set page tracking

In Vue, each route corresponds to a page, so you need to add GA tracking code when the route jumps. This tracking code should be added to Vue's route navigation hook function to ensure normal execution when the page jumps. Commonly used routing and navigation hook functions include beforeEach and afterEach.

Code example:

import router from './router'

router.beforeEach((to, from, next) => {
  if (to.path) {
    ga('set', 'page', to.path);
    ga('send', 'pageview');
  }
  next();
});

In the above code, "ga('set', 'page', to.path)" is called to pass the page path to be jumped to GA for tracking .

3. Use event tracking

GA can not only track page visits, but also track user operations through custom events. In Vue, this function can be easily implemented by calling GA's event tracking code when the event is triggered.

Code example:

methods: {
  clickButton() {
    ga('send', {
      hitType: 'event',
      eventCategory: '按钮',
      eventAction: '点击',
      eventLabel: '按钮1'
    });
    // 其他操作
  }
}

In the above code, when the user clicks the button, a custom event will be sent to GA, which includes information such as event category, event operation, and event label. User operations can be tracked and analyzed in detail based on this information.

4. Perform data analysis

GA provides a wealth of data analysis tools that can help us understand users’ access behaviors, concerns and preferences, etc., so as to continuously optimize the website. User experience and conversion rate. When using GA for data analysis, you need to pay attention to the following indicators:

(1) Page views: Understand the visits and traffic sources of each page.

(2) Page residence time: Understand the user’s focus and user experience of the website.

(3) Bounce rate: Understand the reasons and circumstances of user visit loss.

(4) Custom events: Understand the user's operations and preferences in order to continuously optimize the website.

5. Prevent repeated execution of code

In Vue, when using Vue-Router, using the global beforeEach routing guard to add GA tracking code will cause the GA code to be executed every time. It will be executed when each route changes, which may cause code to be executed repeatedly, thus affecting running performance and data analysis results. In order to avoid this situation, you can use the Vue plug-in to integrate GA code, or add judgment code to the root component of Vue and only execute it for the first time.

Code example:

mounted() {
  if (!window.ga) {
    // GA代码，仅在第一次执行
  }
}

The above are the best practices for using GA for data analysis and tracking in Vue. Through reasonable optimization and analysis, the user experience and conversion rate of the website can be continuously improved, and the user can be provided with better services and experiences.

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