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Amit Gaikwad Patil

Why you should move to Angular 2 Universal? Here is the answer

Angular 2 Universal

Angular 2 is Single Page Application (SPA) just like Angular 1.x, but Angular 2 have more features than Angular 1.x. In Angular 2, the application is comprised of a set of components and some services that provide functionality across those components. A component is a view defined with a template. Its associated code is defined with a class and its additional information is defined with metadata.

Angular 2 vs Angular 1.x

  • Performance is improved in Angular 2 as compared to Angular 1.x
  • Bootstrap is now platform specific in Angular 2.
  • Angular 2 supports mobile oriented architecture. (In Angular 2, with the help of ‘Native script’ we can perform mobile development)
  • Angular 2 uses Typescript. (Typescript is superset of javascript)
  • Angular 2 is not using $scope. As an alternative, Angular 2 provides support for java language syntax. This is the reason learning and implementing Angular 2 is a piece of cake as compared to Angular 1.x

Why Angular 2 Universal?

What are the benefits of using Angular 2 Universal? Why to use Angular 2 Universal? Here is the answer to that —

The new rendering architecture of Angular 2 will separate the Angular runtime into two layers: 
the application layer and the rendering layer.
The application layer contains APIs and runtime HTML which the application code interacts with directly. The rendering layer provides a common protocol for performing User Interface updates. This split will allow Angular 2 applications to run in different environments/platforms while providing the same set of abstractions to application developers. The default rendering environment is the browser, but other environments could include web workers, web servers or other devices.

Advantages of using Angular 2 Universal

  1. Serves the first view of your application on Node.JS, .NET, PHP and other servers for near-instant rendering in just HTML and CSS. Also paves the way for websites which benefits SEO.
  2. First time users of the application will instantly see a server rendered view, which greatly improves perceived performance, speed and the overall user experience.
  3. One of the most exciting things about Angular Universal is that, it aims to support multiple server technologies. The idea here is to allow other server technologies, other than Node.js, to render an Angular 2 application server side.
  4. Although GoogleBot crawls and renders most dynamic websites, many search engines expect plain HTML. Server-side pre-rendering is thus, a reliable, flexible and efficient way to ensure that all search engines can access your content.

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