ASP.NET

Interactive web UI with C#

Blazor is a feature of ASP.NET for building interactive web UIs using C# instead of JavaScript. Blazor gives you real .NET running in the browser on WebAssembly.

Learn about Blazor

Web Apps

Build full stack web apps with HTML, CSS, JavaScript, and C#

APIs

Develop REST APIs for a range of clients, including browsers and mobile devices

Real-time

Enable bi-directional communication between server and client, in real-time

Microservices

Create independently deployable microservices that run on Docker containers

What is ASP.NET?

.NET is a developer platform made up of tools, programming languages, and libraries for building many different types of applications.

ASP.NET extends the .NET developer platform with tools and libraries specifically for building web apps.

Dig deeper: What is ASP.NET?

Learn ASP.NET

Learn about all ASP.NET has to offer with our tutorials, video courses, and docs.

Learn to use ASP.NET

Fast and scalable

ASP.NET performs faster than any popular web framework in the independent TechEmpower benchmarks.

In the TechEmpower benchmarks, .NET processed 7.01 million requests per second, Node.js processed 0.66 million, and Java Servlet processed 2.17 million.

Data sourced from official tests available at TechEmpower Round 20.

Build secure apps

ASP.NET supports industry standard authentication protocols. Built-in features help protect your apps against cross-site scripting (XSS) and cross-site request forgery (CSRF).

ASP.NET provides a built-in user database with support for multi-factor authentication and external authentication with Google, Twitter, and more.