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What is SPA (Single Page Application) on a Website
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What is SPA (Single Page Application) on a Website

SPA (Single Page Application) is an application or web page that contains only one page for all activities.

Web or applications that use SPA techniques allow you to load all kinds of information on only one page.

In the sense that when visiting a web or SPA application, you no longer need to load a new page from the server when you want to get more information.

Nowadays there are many applications that use the SPA (Single Page Application) system. Examples include Gmail, Facebook, Trello, Google Maps, Instagram, Twitter, and so on.

How SPA works?

How SPA works

Websites or applications that use the SPA system are actually not much different from websites or applications in general.

The difference is, websites or applications that use this SPA do not request page access repeatedly.

On the initial request, the server will send the HTML document as usual. For the next request, the server will only send JSON data.

So, the SPA will reload the previous content using the new data and it won't take much time to reload the page.

This is the difference between SPA (Single Page Application) and MPA (Multi Page Application).

SPA applications are also known as applications that are compact and tend to be lightweight, so they can enhance a more dynamic user experience.

In the sense that applications or websites that use the SPA system do not take long to load pages so they load faster.

Advantages of SPA

Actually there are many advantages that SPA has such as increased performance, application consistency, reduced development time, and infrastructure costs. For more details, here are the advantages of SPA (Single Page Application).

1. Very fast site loading time

As previously explained, SPA does not read HTML repeatedly, making this site or application load very fast.

This non-repetitive reading of HTML also makes SPA sites or applications very responsive.

2. Fewer server queries

Because the SPA doesn't need to do repeated full page loads, it makes it a bit of a data upload to the server.

This will of course reduce the impact of server usage so as to make the amount of server traffic less.

And of course it will make it more cost-effective because you don't need to use a large number of servers.

3. Can make UI more attractive

SPA (Single Page Application) uses a separate architecture between front-end and back-end services.

This is also one of the reasons that makes websites or applications that use SPA very fast.

With this you can design a more attractive appearance so as to make the user experience better.

Disadvantages of SPA

Behind the advantages that SPA has, there are some disadvantages as follows.

1. Requires a powerful device

If not programmed in the right way, SPA actually gives a heavier load than MPA, thus making devices with low specifications get poor speed.

This will of course make devices that have small memory slower.

2. Difficult SEO Optimization

Because SPA (Single Page Application) only loads javascript files, making it very difficult for SEO optimization.

Is Blogger able to run SPA?

The question that might arise in your brain after hearing the term SPA from the explanation above, can blogger users run SPA too?

Even though SPA is widely used in applications, it doesn't mean bloggers can't use it. At this time, bloggers can already use this SPA by utilizing the Theme62 template.

What is Theme62?

Theme62 is the best blogger template provider website with features inspired by WordPress, has support for many plugins and easy template configuration without touching any code.

The Theme62 template contains a SPA plugin which you can easily activate in one click when using the template.

That's a complete explanation of SPA (Single Page Application) and its advantages and disadvantages. Basically this SPA is great if you use it to create smaller and more dynamic websites or applications. But not with applications or websites that are more complex because they can be burdensome for a device if they are not programmed in the right way.

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