Blazor’s Popularity Explained: Benefits and Real-World Use Cases

Blazor is rapidly gaining traction as a go-to framework for building modern web applications. According to usage statistics from BuiltWith, the number of live websites built with Blazor grew from 12.5K in November 2023 to 35.5K by December 2024, which corresponds to a 184% increase in just one year.

Blazor’s appeal lies in its ability to unify front-end and back-end development under a single language — C#. By eliminating the need for JavaScript-based frameworks while still allowing seamless JavaScript interoperability, it offers developers a flexible yet cohesive development experience. It’s no surprise that 61.2% of developers praised the framework in the latest Stack Overflow survey. Additionally, its deep integration with the .NET ecosystem makes it a natural choice for businesses already using Microsoft technologies.

In this article, we’ll explore what makes Blazor app development an attractive option for companies, its peculiarities, and key use cases.

But let’s start from the basics.

Blazor is an innovative UI framework that allows developers to build modern, interactive web applications using C#, HTML, and CSS. Developed at Microsoft in 2018 by Steve Sanderson, the creator of Knockout.js, Blazor provides a powerful alternative to traditional front-end frameworks like React or Angular.

At its core, Blazor allows developers to create reusable UI components called Razor components. They encapsulate different parts of an application’s user interface, such as individual UI elements (buttons, forms) or entire pages in a Blazor application, with routing handled in Blazor applications. This makes Blazor development more modular and maintainable.

Like React and other modern UI frameworks, Blazor follows a declarative approach, meaning developers describe what the UI should look like, and the framework efficiently updates it as needed. This makes applications scalable and easier to maintain, which is a crucial advantage for businesses planning long-term growth.

While Blazor eliminates the need for JavaScript in many cases, it is still fully interoperable with JS on both the client and server sides. This means companies can gradually transition from existing JavaScript-based applications to Blazor or integrate JavaScript components where necessary.

One of Blazor’s key strengths is its ability to extend beyond the web. With .NET MAUI, Blazor components can be reused across multiple platforms, including iOS, Android, Windows, and macOS. This enables businesses to develop cross-platform applications with a single codebase.

When you develop a Blazor application, choosing the right hosting model is a critical decision that directly impacts performance, scalability, and user experience. The hosting model determines how the application runs (i.e., whether logic executes on the client side, the server side, or a combination of both). The right choice depends on factors such as latency, resource usage, and the need for offline support.

Blazor supports three primary hosting models, each with distinct advantages.

In the Blazor WASM model, the entire application, including the C# code and .NET runtime, runs directly in the browser using WebAssembly, a binary instruction format designed for browser engines. This eliminates the need for a backend server to handle UI interactions. Since the app runs entirely in the browser, users can access it even without an Internet connection. UI updates happen instantly without waiting for a server response.

Unlike conventional web frameworks, which depend on JavaScript for client-side execution, Blazor compiles .NET code to WebAssembly, allowing applications to run efficiently in a browser without JavaScript. This means businesses can reduce dependencies on multiple languages and build full-stack web applications entirely in C#.

Blazor WASM can be deployed as a Progressive Web App (PWA), allowing installation and native-like behavior on desktop and mobile devices. However, note that the entire .NET runtime needs to be downloaded when the app first loads, which can reduce performance for users on slow connections.

The Blazor Web App offers a hybrid approach that supports both server-side and client interactivity. It combines the benefits of Blazor WebAssembly, which allows running C# code directly in the browser, and Blazor Server, which remains a supported option but is now integrated into the new Blazor Web App project template introduced in .NET 8.

The primary reasons for this deprecation were performance limitations and scalability concerns. Since each user interaction required a round trip to the server, latency could become noticeable in high-interactivity applications, especially when dealing with complex UI updates.

It’s important to note that while the Blazor Server template has been deprecated, server-side rendering and interactivity remain fully supported within the Blazor Web template. Developers can still implement server-driven interactive components by configuring the appropriate render mode.

As we’ve already mentioned, the Blazor Web App supports two primary rendering approaches: client-side (WebAssembly) and server-side. The WebAssembly approach is illustrated in the previous chapter, while the following diagram illustrates how the server-side model operates.

Blazor Hybrid allows developers to reuse the same Blazor components to build mobile and desktop applications using .NET MAUI. Instead of running inside a browser, Blazor components are rendered inside a native application using platform-specific capabilities. Based on Leobit’s experience, this capability allows the reuse of up to 90% of code, making it a strategic choice for startups and enterprises looking to maximize their ROI.

Blazor app development offers a modern, efficient solution for businesses and startups looking to build powerful, interactive applications.

Here are some key benefits of using Blazor.

Blazor simplifies development by allowing organizations to use .NET for both the client-side and server-side logic, which streamlines the entire development process. By using C# across the stack, businesses don’t need to rely on multiple languages or frameworks like JavaScript or TypeScript. With Blazor WebAssembly, developers can even run .NET code directly in the browser, cutting out the need for additional front-end technologies.

This approach speeds up development by allowing companies to rely on .NET expertise across the entire development process and minimize dependencies.

Blazor integrates natively with the .NET ecosystem, offering seamless compatibility with Azure services, .NET libraries, and enterprise-grade APIs. Blazor works seamlessly with ASP.NET Core, which enables easy integration of server-side features like authentication, API services, and database connectivity. This compatibility also ensures that businesses can use Microsoft EntraID, Azure Functions, and other Microsoft enterprise services.

With Blazor, companies can reduce costs by streamlining development and minimizing dependencies on third-party JavaScript libraries. For instance, with .NET MAUI, Blazor components can be reused across web, mobile (iOS and Android), and desktop applications.

This cross-platform capability enables faster product iterations and reduces the need to develop separate solutions for each platform, saving on development time and operational costs. The unified stack makes debugging and deployment processes easier, as developers don’t have to manage different languages or environments.

Blazor applications benefit from. NET’s robust security features, such as built-in authentication and authorization mechanisms. Blazor Web App with server-side rendering applications, for instance, can handle all business logic and sensitive data on the server side, preventing the exposure of sensitive information on the client side. This architecture mitigates security risks like cross-site scripting (XSS) and code injection attacks, which are common in client-side JavaScript applications.

Furthermore, Blazor easily integrates with enterprise authentication providers like Microsoft EntraID, OAuth, and OpenID Connect to protect sensitive data. Data protection libraries and HTTPS support further enhance security in Blazor applications, helping businesses comply with industry standards and regulations such as GDPR, CCPA, and HIPAA.

Blazor has a growing but still smaller community compared to more established front-end frameworks like React, Angular, or Vue.js. However, it does benefit from a strong support ecosystem due to its deep integration with .NET and Microsoft’s backing.

Blazor has an active community on platforms like GitHub, Stack Overflow, and Reddit. Open-source Blazor libraries are growing, offering solutions for charts, authentication, and UI components. What’s more, UI component vendors like Telerik, Syncfusion, and DevExpress provide Blazor-specific libraries.

Visual Studio offers robust developer tools, including debugging, IntelliSense, and integrated testing frameworks, which further enhance developer productivity. Additionally, 387K+ ​Nuget packages can be integrated into Blazor applications to extend functionality and reduce development time.

Developers can also take advantage of Blazor’s interoperability with JavaScript, allowing them to reuse existing JavaScript libraries while gradually transitioning to a C#-based front-end architecture.

Blazor’s component-based architecture enables developers to build modular and reusable UI components that encapsulate both logic and presentation. Components in Blazor are defined using Razor syntax, which combines HTML markup with C# code. This seamless integration allows developers to create dynamic and interactive elements on the page. This architecture promotes the separation of concerns, allowing UI elements and application logic to be easily maintained and updated independently.

Blazor supports two-way data-binding, a crucial feature that automatically synchronizes the UI with underlying data sources. This is especially useful for applications that need to reflect live data updates, such as dashboards or interactive forms. Blazor also supports one-way data binding, where changes in the component’s state automatically update the view, making the UI more responsive and interactive.

What’s more, Blazor integrates with modern front-end features like responsive design and mobile-first development. Blazor components can be styled using popular frameworks such as Bootstrap or Tailwind CSS, and developers can use Media Queries to make applications responsive to different screen sizes.

Blazor is the number one choice for companies that are deeply integrated into the .NET ecosystem. It is particularly well-suited for organizations looking to modernize legacy applications or develop new, scalable software using C# and .NET technologies. Below are some of the most common use cases where Blazor stands out.

Blazor enables cross-platform development with a single codebase, which allows you to reduce costs and accelerate time to market. With Blazor Hybrid and .NET MAUI, developers can extend Blazor applications to mobile and desktop environments, ensuring a consistent user experience across devices. WASM further enables client-side execution, enhancing performance and responsiveness.

Blazor’s component-based architecture and real-time data processing make it ideal for developing SaaS applications that require scalability and high interactivity. By using Blazor WebAssembly and Blazor Web, SaaS companies can build dynamic, data-driven interfaces while integrating seamlessly with cloud-based services like Azure Functions and Azure SQL. This allows for code reusability, efficient data processing, and reduced dependency on JavaScript.

For businesses still relying on ASP.NET WebForms or MVC, Blazor offers a smooth path to modernization without discarding existing .NET infrastructure. Developers can migrate step by step and reuse existing C# business logic while introducing Blazor components. The Blazor Web App model in .NET 8 simplifies server-side rendering while also supporting interactive client-side execution.

Blazor is a strong contender for real-time applications such as financial dashboards, live chat systems, and monitoring tools. Its tight integration with SignalR enables seamless two-way communication, ensuring instant data updates without page reloads. Blazor WASM enhances performance by running logic directly in the browser, making it a preferred choice for applications that demand low-latency interactions.

Large enterprises can use Blazor to develop CRM systems, ERP platforms, and internal business tools. With support for role-based access control, microservices architecture, and REST API or gRPC integration, Blazor is well-suited for secure, large-scale applications. Azure App Services, Kubernetes, and Docker provide the necessary scalability for enterprise deployments.

Blazor enables the development of PWAs, allowing businesses to deliver native-like experiences in the browser. Features like offline support, push notifications, and installable apps help create web applications that feel like fully-fledged mobile or desktop software. Service Workers cache content for offline access, while Azure Notification Hubs support push notifications.

Blazor is ideal for customer self-service portals, such as banking dashboards, insurance claim systems, and subscription management platforms. Built-in support for OAuth, OpenID Connect, and Microsoft Entra ID ensures secure user logins, while two-factor authentication adds an extra layer of security. Companies can integrate Blazor applications with payment gateways, document management systems, and customer databases for a seamless user experience.

Blazor is a powerful option for IoT-based applications that require real-time monitoring and interactive dashboards. Blazor Server’s SignalR support enables instant updates from IoT data sources, while Blazor WASM allows users to interact with IoT devices through web APIs. By integrating with Azure IoT Hub, businesses can connect smart sensors, industrial equipment, or energy grids to a cloud-based monitoring system.

Considering the variety of Blazor applications and the advantages this technology provides, it’s no surprise that numerous well-established companies have selected it for their software development projects. Let’s take a closer look.

Though it is a relatively young framework, Blazor is increasingly being adopted by businesses and startups looking for a modern, full-stack web development framework that uses C# and .NET. According to BuiltWith, as of March 2025, Blazor has 34,205 active customers, including many notable companies. Here are some of them.

• Ferrari. The renowned luxury sports car manufacturer employs Blazor for its SFC Card Registration platform. This system enhances the customer experience by providing a seamless, interactive, and high-performance web application for registering and managing Ferrari client cards. Blazor’s ability to run C# on the front end ensures smooth performance and deep integration with Ferrari’s existing .NET ecosystem.
• Frankfurt Airport. One of Europe’s busiest airports uses Blazor for its interactive airport map. This web-based tool helps travelers efficiently navigate the complex terminal layout. The use of Blazor allows for real-time updates and interactive elements, providing a responsive and intuitive interface for passengers.
• BurnRate. A revenue and headcount planning platform uses Blazor for its front-end development. The company chose Blazor due to its strong integration with .NET, allowing them to build a high-performance, interactive UI while using C# for both front-end and back-end logic. Blazor’s capabilities helped BurnRate manage complex financial data scenarios efficiently, ensuring accurate projections for sales and marketing teams.
• Celonis. This global leader in process mining and execution management uses Blazor to enhance its web-based analytics and data visualization tools. By employing Blazor’s component-based architecture, Celonis is able to deliver highly interactive dashboards that allow enterprises to analyze and optimize their business processes in real time.
• Bit Foundation. This organization offers the Bit Platform and Bit BlazorUI, a suite of UI components designed for enterprise applications. Their solutions help software engineers reduce development time and build modern, scalable Blazor applications by providing pre-built UI components.
• The Postage. This end-of-life planning platform helps people organize and securely store important documents, messages, and financial information for their loved ones. The company chose Blazor for its web-based application due to its seamless integration with .NET, which allows them to create a highly interactive and secure platform while maintaining a consistent technology stack.

• Zero Friction. The company leverages Blazor to build interactive and scalable web applications that streamline complex energy billing processes. By using Blazor WebAssembly, Zero Friction ensures a smooth and efficient user experience while maintaining strong integration with .NET-based backend services. This allows them to offer a highly responsive and data-driven platform for energy providers and property managers.

The list of companies that prefer Blazor over React or other frameworks continues to grow. However, the success of your project largely depends on the Blazor development company you partner with.

Leobit has been a trusted Microsoft Solution Partner for Digital & App Innovation since 2018, with a strong team of 78 Microsoft-certified developers with deep expertise in the .NET ecosystem. As an early adopter of Blazor, we have successfully delivered 20+ Blazor projects and over 100 .NET, ASP.NET, and Azure solutions, helping businesses build scalable, high-performance applications.

Our expertise and commitment to quality have earned us recognition as a Clutch Top .NET and ASP.NET Company, strengthening our reputation as a reliable partner for businesses seeking robust and future-proof .NET-based applications. Here’s one example of our work:

Our customer, a Spanish ticket sales company that specializes in connecting audiences with live entertainment events, contacted us to develop a website and native mobile apps for iOS and Android. The customer had a very tight deadline and strong scalability requirements, so we suggested using Blazor Hybrid with .NET MAUI, which allows for a unified development approach across platforms.

Our team built the UI using the MudBlazor UI components library, a modern, customizable toolkit that minimized the need for custom coding and accelerated development. Additionally, its built-in support for accessibility standards ensured the platform was usable by a diverse audience, including individuals with disabilities.

By using Blazor Hybrid, we achieved 90% code reuse across platforms, leading to 2.5x cost savings compared to separate development for web and mobile. While most of the code remained shared, we dedicated 10% to platform-specific features, such as gesture controls. Using .NET MAUI’s platform detection capabilities, our team optimized the experience, enabling gesture controls for mobile and tablet users while disabling them on desktops where they weren’t needed.

Learn more about the project and our technical approach in the Cross-Platform Concert Ticketing Platform case study.

Blazor has emerged as a powerful and versatile framework for building modern web applications. It offers a unified .NET development experience and eliminates the need for JavaScript-based front-end frameworks. Its ability to support server-side, client-side, and hybrid rendering makes it a flexible choice for businesses across industries. Whether you’re developing SaaS platforms, enterprise applications, or real-time solutions or modernizing legacy ASP.NET systems, Blazor streamlines development and ensures long-term maintainability.

The growing adoption of Blazor by companies like Ferrari, Frankfurt Airport, BurnRate, and Celonis demonstrates its reliability in handling real-world business needs. Additionally, Microsoft’s commitment to enhancing Blazor in .NET 8, with the introduction of Blazor Web for hybrid rendering and improved performance strengthens its position as a forward-looking technology.

As a Microsoft Solution Partner with deep expertise in .NET and Blazor, Leobit can help you make the most of using Blazor. So, whether you’re modernizing legacy systems or building a new product, contact us, and our team will help you choose the most appropriate hosting model to meet your company’s needs.