Today browsers are much more capable than in earlier days. Due to the poor performance of JavaScript in the past, every time you clicked something, a new request was made to the server and the browser subsequently loaded the new page that was coming from a server. Once the application code such as CSS, HTML, JavaScript is loaded, instead of making a new request to the server the client requests some JSON or performs an action on the server. The page that the user sees is never completely deleted away and it behaves more like a desktop application.
The technology is always the same, but the philosophy of how the application works are different. Some notable examples of SPAs- Single Page Applications are Gmail, Google Maps, Facebook, Twitter, Google Drive.
ADVANTAGES OF SINGLE PAGE APPLICATION
Instead of re-rendering the page or Instead of waiting for the client-server communication, you can now have instant feedback. A SPA site makes the user’s experience much faster. This is the responsibility of the application maker. Any kind of UX improvement which is better than the traditional workflow can be achieved, that is you can have transitions and spinners.
By making the experience faster for the user, the server will consume fewer resources. In addition to this, you can focus on providing an efficient API rather than in the traditional way. As you can completely reuse your existing server-side code you can also build a mobile app on top of the API.
DISADVANTAGES OF SINGLE PAGE APPLICATION
When coding a single-page application, you will write extensive JavaScript. There could be memory leaks too, this is because the pages fetched would stay open for several hours. It may also give you a slow experience as the browser memory usage would be a lot more. Of the cons, Single Page Apps rely heavily on JavaScript. If at all SPA is run on a low power device, the user may experience poor speed quality.
SEO OPTIMIZATION FOR SINGLE-PAGE APPLICATIONS
Progressive Web Apps are achieved by the transformation of Single Page Applications. It will support offline experiences, for your services. Especially when there is no need for search engine optimization which is SEO, then SPAs are used.
On a day-to-day basis, search engines have trouble indexing sites with those sites built in a SPA approach. Whereas, this issue was not present with the traditional server-rendered pages. Especially in the case of blogs, if you require to depend on search engines to identify the content and the blog page, do not rely upon the single page application approach.
DEVELOPER’S POINT OF VIEW
While working in teams, single-page applications are great. This is because one need not be worried about what challenges the other developer or designer team would face. Backend developers can just focus on the API without worrying about the challenges of a frontend developer’s task which would be to create the best user experience. SPA will give the user great independence for various teams, this is a great advantage.
WHEN TO USE A SPA
If you may wonder, when should you use a single-page application? It is very simple to understand. If you have a personal website or business that works on a small data volume, and needs a dynamic platform then a single-page application is a good fit for usage. If you have plans for developing mobile apps in the future, then also it’s a good idea to use SPA. In case if you want to take a second opinion do try to consult a website development & design agency near you.
CONCLUSION
The customer lifestyle especially after the pandemic scenario where the rise of mobile devices and customer’s digital presence has increased, businesses cannot take a step back to offer slow services to customers.
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