Why ASP.NET Core is the Perfect Choice for Building SPAs

Why ASP.NET Core is the Perfect Choice for Building SPAs

We are now moving into a world full of intelligent and fast-paced applications. The web development as such has taken a backseat. With that shift in the needs and focus, the expectations are that the applications should be built in a way that they turn out highly robust, scalable and stable in the long-run. So, as a developer, technologist or a project manager, how do you ensure that your application has its roots strong and future secure? If you are going in for a single page application, your prime choice shall be ASP .NET Core. Why and How? Let us look at the answers one by one.

What is Single Page Application and Web Development

A single page application is essentially a web application – replacing the traditional desktop applications. Interestingly enough, they are never confined to single devices for run-time. Single-page applications run within the desktop browsers and do not need multiple pages to open. This saves users from reloading and undue wait time. Gmail, Facebook and GitHub, etc are some common and prominent examples of it.

The core objective behind the launch of SPAs was to enhance the user experience. SPAs score over multiple page applications by delivering simplistic designs, faster page load and, no re-load at all, as well as a natural environment within the browser. SPAs are majorly successful today due to the strengths of JavaScript frameworks such as AngularJS, Meteor.js, etc.

Some of the key advantages of SPAs include – streamlined development, no need to write the code for render pages, ease of debugging, faster investigation of page elements and data etc.

Using the SPA framework with ASP. NET Core

ASP.NET Core is a prime and youthful choice today for most developers. It offers a compact code and flexible deployment.

There are various ways you can use the two in combination. Some popular ones include:

Middleware for Angular and React, Direct build up into ASP.NET Core project and Integration of the SPA framework into the project.

Let us look at these ones by one briefly:

Using SPA Middleware

Use Visual Studio to build the approach in the new project template. See the image below to understand:


Image source: https://res.infoq.com/articles/spa-asp-dotnet-core-3/en/resources/2Single-Page-Applications-AspNet-1-1569234784593.jpg

SPA Subdirectory approach

This one involves integrating ASP.NET Core into the traditional MVC application and keeping a separate folder for integration into the two projects. Take a look here:

SPA Subdirectory approach

Image source: https://res.infoq.com/articles/spa-asp-dotnet-core-3/en/resources/1Single-Page-Applications-AspNet-3-1569234784297.jpg

Integrating a SPA into ASP.Net Core

This method basically involves merging the NPM configuration and then moving it into the root of the project.


Image source: https://www.infoq.com/articles/spa-asp-dotnet-core-3/

So, when you have to make a choice, you need to first get the hang of each of these approaches. It comes with practice and a skillset. The ultimate objective is to ensure the architectural stability of the application.

The Key Reasons Why ASP.NET and SPA is a Deadly Combination


ASP. NET as such is one of the highest performing open-source platforms. For any SPA to perform well, its combination with ASP enhances the delivery experience for the end-user. The biggest advantage is, it never demands and changes in code.

Easy Updates

Each time the application needs an update, you are not compelled to launch an entirely new framework. You only need to add the attributes and you are done.


The command inline application features allow support for all major platforms such as Windows, Mac, Linux, etc. These applications can readily host several other applications.

Maintenance Ease

The language demands a very limited amount of coding. The developers are able to optimize the structure. The idea is to keep yourself updated.

Cross-Platform Experience

You build an application and run it across all operating systems – that is the need of the hour. ASP.Net applications allow that luxury and relief to developers – expediting the launch of the application. You do not have to work too hard on the front-end either.

Cloud Support

It supports building cloud-based applications. Regardless of your organization size or budget, Asp becomes your prime choice as it promises stability. All your data is stored in the cloud and you can scale up or down anytime.

Razor Pages

It allows page-based programming. In the case of SPAs, the programming remains very concise, focussed and hence, effective.


A happy developer will always build an application effectively. Anything that simplifies their life will be welcomes and higher chances for better performance.

More Reading Here:

Single Page Applications and ASP.NET Core 3.0
Use JavaScript Services to Create Single Page Applications in ASP.NET Core
What’s new in ASP.NET Core 3.0 for React SPAs?
The Easiest Way to Build a SPA with ASP.NET Core and Vue Cli 3

Summing Up

The MVC architecture of ASP.NET SPA applications help your view, control, upgrade and scale up very easily. Further, the cloud-support covers most of the risks for the client and the developers. The JavaScript support for client-side enables developers to deliver an unparalleled user experience.

The only disadvantage of this combination is that it entails a few major gaps in the documentation. Hence, developers need to be a little extra mindful of covering them. Lacking support in terms of tooling can be regarded as another limitation here.

If you would like to add anything, your comments and suggestions are welcome. If you have questions, rather, we’d be glad to address them. Connect with us through the comments section below.

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