What is SPA (Single page application) in AngularJS?
- Team collaboration
Single-page applications are excellent when more than one developer is working on the same project. It allows backend developers to focus on the API, while the frontend developers can focus on creating the user interface based on the backend API.
The application sends a single request to the server and stores all the received information in the cache. This proves beneficial when the client has poor network connectivity.
- Fast and responsive
As only parts of the pages are loaded dynamically, it improves the website’s speed.
- Debugging is easier
Debugging single page applications with chrome is easier since such applications are developed using like AngularJS Batarang and React developer tools.
- Linear user experience
Browsing or navigating through the website is easy.
- SEO optimization
- Browser history
A SPA does not save the users’ transition of states within the website. A browser saves the previous pages only, not the state transition. Thus when users click the back button, they are not redirected to the previous state of the website. To solve this problem, developers can equip their SPA frameworks with the HTML5 History API.
- Security issues
Single-page apps are less immune to cross-site scripting (XSS) and since no new pages are loaded, hackers can easily gain access to the website and inject new scripts on the client-side.
- Memory Consumption
Since the SPA can run for a long time sometimes hours at a time, one needs to make sure the application does not consume more memory than it needs. Else, users with low memory devices may face serious performance issues.
When to use SPA
SPAs are good when the volume of data is small and the website that needs a dynamic platform. It is also a good option for mobile applications. But businesses that depend largely on search engine optimizations such as e-commerce applications must avoid single-page applications and opt for MPAs.