Subvert the norm: Master Vue Router Lazy-Loading routing to improve page performance

Subversion of convention: Master Vue Router Lazy-Loading routing to improve page performance

Introduction:
In modern web application development, performance is a very important factor. Users have increasingly higher requirements for website loading speed, and as a developer, it is particularly important to improve website performance. In the Vue.js framework, Vue Router is a commonly used routing management tool. When using Vue Router, using Lazy-Loading routing technology can improve page performance, allowing users to load and access pages faster. This article will introduce in detail the concepts, principles and specific code examples of Vue Router Lazy-Loading routing.

1. What is Lazy-Loading routing?
Lazy-Loading routing is a technology that dynamically loads routing components. The traditional route loading method is to load all routing components at once when the page is initialized, while lazy-loading routing loads routing components on demand as needed. This can greatly reduce the resources initially loaded and improve the loading speed of the website.

2. The principle of Lazy-Loading routing
The Lazy-Loading routing in Vue Router takes advantage of the characteristics of Webpack. Webpack supports splitting different modules, and each module will be packaged into a separate file. When a module needs to be loaded, Webpack will dynamically load the corresponding file. In Vue Router, Lazy-Loading routing uses Webpack's import function to dynamically load routing components.

3. How to use Lazy-Loading routing in Vue Router?
When using Lazy-Loading routing in Vue Router, you need to set the component to a function in the routing configuration, and use the import function to dynamically load the corresponding component. Here is an example:

// Route configuration
const routes = [
{

path: '/home', name: 'home', component: () => import('./components/Home.vue')

},
{

path: '/about', name: 'about', component: () => import('./components/About.vue')

},
// ...
]

In the above routing configuration, the component of each route is set to a function. In this way, the corresponding component will be dynamically loaded when the corresponding route is accessed.

4. Advantages of Lazy-Loading routing

1. Reduce initial loading resources: The traditional routing loading method will load all routing components at once, while Lazy-Loading routing can delay loading Routing component, thereby reducing the resources initially loaded and improving the loading speed of the website.
2. Improve user experience: Since Lazy-Loading routing can improve the loading speed of the website, users can load and access pages faster, which improves the user experience.
3. Code splitting and lazy loading: Lazy-Loading routing can split different modules into independent files and load the corresponding modules on demand, making the code more separated and maintainable.

5. Precautions and best practices

1. The naming of routing components should be consistent with the corresponding file name to ensure correct loading.
2. Avoid using Lazy-Loading for all routes. For some core components, you can not use Lazy-Loading to reduce loading time and improve user experience.
3. Reasonably split the module and split different module components into independent files to improve the maintainability of the code.

6. Summary
In this article, we introduce the concept, principle and specific code examples of Vue Router Lazy-Loading routing in detail. By using Lazy-Loading routing, we can improve the page performance of the website, allowing users to load and access pages faster, and improve the user experience. For developers, mastering Lazy-Loading routing technology is an important part of improving website performance. I hope this article can help you, and I wish you better results in Vue.js development!

References:

• Vue Router official documentation: https://router.vuejs.org/zh/
• Webpack official documentation: https://webpack .js.org/

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