ASP.NET Core VS Blazor

Compare ASP.NET Core VS Blazor and see what are their differences

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Blazor

An experimental web UI framework using C#/Razor and HTML, running in the browser via WebAssembly

Landing page //
2023-08-18

Landing page //
2023-10-19

ASP.NET Core

Website: dotnet.microsoft.com

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ASP.NET Core features and specs

Cross-Platform Support
ASP.NET Core is a cross-platform framework, which means you can run your applications on Windows, macOS, and Linux. This flexibility allows developers to target a wider range of environments without being locked into a single operating system.
High Performance
ASP.NET Core is known for its high performance, being built from the ground up to optimize speed and scalability. It uses a modular framework architecture and supports asynchronous programming, making it suitable for modern, high-traffic applications.
Unified MVC and Web API Frameworks
In ASP.NET Core, MVC and Web API frameworks are unified into a single framework, simplifying the development model for building web and API-based applications.
Dependency Injection
Built-in support for dependency injection simplifies the management of dependencies across the application, promoting cleaner architecture and testability.
Open Source and Community Support
ASP.NET Core is open source and has a strong community around it. This means that developers have access to the source code and can contribute to its development. It also benefits from continuous improvements driven by community feedback.
Cloud Integration
ASP.NET Core is designed with cloud deployment in mind, providing features and templates for streamlined integration with cloud platforms such as Azure.

Possible disadvantages of ASP.NET Core

Learning Curve
While powerful, ASP.NET Core can have a steep learning curve for developers new to the framework or web development in general, due to its comprehensive set of features and tools.
Maturity of Third-Party Libraries
Compared to the .NET Framework, some third-party libraries may not be fully mature or offer as many features, given that ASP.NET Core is a more recent platform.
Frequent Updates
ASP.NET Core has a fast release cycle, which can be challenging for developers to keep up with. Frequent updates can mean regular changes to the framework that might require adjustments in application code.
Limited Windows-Specific Technology Support
Some Windows-specific technologies and libraries might have limited or no support in ASP.NET Core, which can be a disadvantage for applications heavily reliant on those technologies.

Blazor features and specs

Single Language
Blazor allows developers to use C# for both client-side and server-side development, reducing the need to switch between different languages and enhancing developer productivity.
Full-Stack Development
With Blazor, developers can build full-stack web applications using .NET, leveraging the vast .NET ecosystem and tools.
WebAssembly Support
Blazor WebAssembly enables running C# code directly in the browser, allowing for rich interactive web applications with less reliance on JavaScript.
Reusability
Blazor promotes code reusability by allowing shared code between server and client-side applications.
Components-Based Architecture
It uses a component-based architecture that facilitates easier maintenance of code and enhances modularity.

Possible disadvantages of Blazor

Performance Limits
Blazor WebAssembly can have slower performance compared to JavaScript due to its intermediated execution through WebAssembly.
Download Size
Blazor WebAssembly applications can have larger initial download sizes, which can affect load times and user experience.
Newness
As a relatively new technology, the Blazor community is still growing, which can sometimes limit the availability of third-party tools and resources.
Limited Browser Support
Some older browsers do not support WebAssembly, potentially reducing the reach of Blazor applications if not accounted for.
Learning Curve
Developers familiar with JavaScript frameworks may encounter a learning curve when transitioning to Blazor and the .NET ecosystem.

ASP.NET Core videos

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Intro to ASP.NET Core Razor Pages - From Start to Published

Blazor videos

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Is Blazor A JavaScript Killer?

Category Popularity

0-100% (relative to ASP.NET Core and Blazor)

Blazor

Developer Tools

76 76%

Developer Tools

24% 24

Web Frameworks

73 73%

Web Frameworks

27% 27

Python Web Framework

100 100%

Python Web Framework

0% 0

Application Hosting

0 0%

Application Hosting

100% 100

User comments

Share your experience with using ASP.NET Core and Blazor. For example, how are they different and which one is better?

Reviews

These are some of the external sources and on-site user reviews we've used to compare ASP.NET Core and Blazor

ASP.NET Core Reviews

Top 5 Flutter Alternatives for Cross-Platform Development

As for performance, both ASP.NET and Flutter perform really well. For ASP.NET Core, it’s partly due to the lightweight and efficient Kestrel web server. Flutter’s speed is thanks to the Dart VM and Ahead-of-Time (AOT) compilation.

Source: www.miquido.com

Exploring 15 Powerful Flutter Alternatives

ASP.NET Core is an open-source and cross-platform framework for building modern cloud-enabled web apps on Windows, Mac, and Linux. One unique capability ASP.NET Core introduces relates to scalability. The framework provides native integration with cloud platforms like Azure that allow web apps to scale up or out to potentially even millions of users with no code...

Source: positiwise.medium.com

Blazor Reviews

Exploring 15 Powerful Flutter Alternatives

One advantage Blazor introduces comes around security-sensitive use cases. With .NET powering backend, client, and shared application logic, Blazor simplifies applying consistent security principles systemwide. The robust .NET encryption libraries integrate cleanly to protect network and device data. Single unified user authentication flows minimize risk exposure through...

Source: positiwise.medium.com

Social recommendations and mentions

Blazor might be a bit more popular than ASP.NET Core. We know about 7 links to it since March 2021 and only 5 links to ASP.NET Core. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

ASP.NET Core mentions (5)

The Case For Go Backends
However, usage of a C# framework like ASP .NET Core or a Java framework like OfficeFloor are more than capable in the right hands. The key is to understand the tradeoffs of each language and framework, and to choose the right tool for the job. - Source: dev.to / about 2 years ago
Exploring Xperience By Kentico: Introductions
The administration UI is now built on React and ASP.NET Core which means it's fast 🚀! - Source: dev.to / over 2 years ago
Trying to learn ASP.NET core, but confused by the documentation
Per https://dotnet.microsoft.com/en-us/learn/aspnet/what-is-aspnet-core, "ASP.NET Core is the open-source version of ASP.NET, that runs on macOS, Linux, and Windows. ASP.NET Core was first released in 2016 and is a re-design of earlier Windows-only versions of ASP.NET.". Source: over 2 years ago
How can I convince my boss not to use Windows Server?
But how about you both get your wishes: ASP.NET Core? Use a Linux server - with which you are familiar with, to host the live/production version. And the web application itself can be locally developed and tested in ASP.NET on a Windows server, which is what your boss wants? Source: over 3 years ago
3 Different Hosting Models in Blazor
Let’s remember that ASP.NET Core is cross-platform and can run practically anywhere. If you find yourself using C # for all your development, this is probably the best scenario for you to use anyway. With it, you can deploy your web application, which would also contain your Blazor Wasm assets in the same location. - Source: dev.to / about 4 years ago

Blazor mentions (7)

Blazor and .NET 8: How I Built a Fast and Flexible Website
I’ve been working on a new website for my series CSharp in the Cards. I built this website in a way that was easy to maintain, flexible and most importantly would respond quickly to requests from visitors. I knew that Blazor with .NET 8 had a static server rendering feature and decided that I wanted to put it to the test. I recently published a new lesson to the website and included a web assembly component to... - Source: dev.to / about 1 year ago
#12: Headless CMS & SWA - Built With Blazor
Over the last few days we've been exploring JavaScript-based frameworks for building web apps. Today, we switch our attention to our amazing .NET community and talk about building Static Web Apps with Blazor. - Source: dev.to / almost 3 years ago
What is a good reason to consider Blazor?
Hi there. I'm the Program Manager at Microsoft for Blazor, so naturally I'm happy to make the Blazor pitch 😊. If you're comfortable already with JS/TS then it's understandable that Blazor might not have as strong an appeal. Blazor is all about enabling full stack web development with just .NET & C# without having to write JavaScript. But even if you are a JS/TS fan, it's still very convenient to operate fully... Source: over 3 years ago
My Favorite C# Features - Part 5: Build for the Modern Web with Blazor
Building web applications with Blazor is a great way for developers who enjoy C# and .NET to create interactive web applications. I encourage you to check out the Blazor 101 video series published on YouTube and check out https://blazor.net for more learning materials and the tools to get started with Blazor. - Source: dev.to / over 3 years ago
What to Expect in .NET 6
Blazor has become a smart way to build .NET web applications. This is because of its seamlessness and ease of integration with UI libraries like ComponentOne. This makes the application development life cycle more efficient. - Source: dev.to / almost 4 years ago