Frontend frameworks, such as Angular and Razor Pages, are collections of already-written code, components, libraries, and tools that offer a structured way for web application developers to build the user interface of your cloud-based app. There are many considerations to take into account when trying to choose the correct framework.
What You’ll Learn
In this article, you’ll learn about Angular and Razor Pages, their features and benefits, and their limitations. You’ll learn how they can help you build an engaging and dynamic online applications for your many users through use cases. You’ll also see how their limitations set them apart and make them useful for different purposes. Ultimately, you’ll be able to decide which frontend framework will best suit the kind of web application that you wish to create.
What is Angular?
The Angular of today is a TypeScript-based, open-source frontend framework ideal for single-page web applications. Before it became Angular, it was once called AngularJS and was JavaScript-based. Unlike the old framework of AngularJS, Angular is a component-based framework that offers both libraries and tools, and it breaks up the UI into reusable components.
Other key features of Angular include two-way data binding for automatic syncing of data between the Model and View, a built-in dependency injection system that aids in testability and modularity, TypeScript which compiles to JavaScript and can run on many platforms, and a variety of standalone components for developers to make Angular components without needing modules.
As a departure from AngularJS, Angular’s latest versions have brought developers significant improvements. In a 2024 study by Kodali in the International Journal of Scientific Research in Computer Science, Engineering and Information Technology, some of the most noted improvements researchers found was the “introduction of Schematics for automating repetitive tasks and the transition from TSLint to ESLint for more robust code quality checks.” The researchers also noted that the “JavaScript ecosystem was fragmented with multiple linting tools. Consolidating on ESLint helps streamline tooling and reduces maintenance overhead”.
ESLint was also found to strongly complement and support Angular’s TypeScript, “making it a viable and powerful alternative to TSLint”. All in all, Angular maintains a forward-looking tradition in its updates, ensuring progress towards greater maintainability and efficiency for developers.
Angular at a Glance
- TypeScript-based frontend framework for single-page applications
- Component-based architecture with reusable UI elements
- Features two-way data binding and dependency injection
- Emphasizes maintainability and developer efficiency
Consider Angular When You Need The Following
- Complex single-page applications with extensive user interactions
- Strong typing and enterprise-level code maintainability through TypeScript
- Automatic data synchronization between front and backend
- Highly reusable component architecture for large applications
- Built-in testing and modularity features
May Not Be Ideal If
- Your team lacks TypeScript experience or needs a gentler learning curve
- You’re building a simple, content-focused website
- Quick prototyping is prioritized over architectural robustness
- You need minimal setup for small projects
What is Razor Pages?
Razor Pages is a frontend web application framework that works within ASP.NET Core. This framework gives developers a way to build dynamic and data-driven web pages with a page-focused structure. Razor Syntax’s ability to embed C# directly within HTML allows for the creation of more dynamic content, and the PageModel class allows for a clear separation between the UI layer and processing logic for each page, reducing complexity and making the UI layer easier to maintain.
Other key features of Razor Pages include simplified routing where URL paths are automatically mapped to the file structure, automatic binding of data from HTTP requests to properties in your PageModel, and reusable components for simplifying common HTML tasks.
Compared to traditional MVC patterns, Razor Pages makes it easier to build complex internet apps for organizations and their users with the benefits of Razor and ASP.NET Core. According to a 2018 study by Poudel from St. Cloud State University’s Department of Computer Science and Information Technology, a surveyed “developer found Razor view engine as a user-friendly and easy to learn view engine, which integrates C# with HTML … Razor is integrated into Visual Studio which auto-indents codes for a clean look and provides auto-completion of codes … Furthermore, the developer felt more comfortable setting up the environment and building the application in the ASP.NET Core on Windows.”
Razor Pages at a Glance
- ASP.NET Core framework for building page-focused web applications
- Embeds C# directly in HTML for dynamic content creation
- Features PageModel separation of UI and logic layers
- Provides automatic routing and data binding
- Offers built-in Visual Studio integration for enhanced development
Consider Razor Pages When You Need The Following
- Page-focused web applications with server-side rendering
- Direct integration with ASP.NET Core and C# backend
- Simplified routing and automatic data binding
- Clean separation of UI and business logic
- Streamlined development within Visual Studio
- Quick development of data-driven web pages
May Not Be Ideal If
- You need extensive client-side interactivity
- Your team primarily works with JavaScript/TypeScript
- You’re building a single-page application
- You require platform-independent development outside Windows
- You need complex client-side state management
What are the Key Differences Between Angular and Razor Pages?
The main differences between Angular and Razor Pages are in their structure, the way they handle rendering, their strengths in either client-side or server-side performance, the kinds of web apps they’re best for, and the tool ecosystems they lean on.
Approach to Rendering
The main difference between Angular and Razor Pages’ rendering approaches is that Angular primarily operates as a client-side framework loading application logic in the browser for dynamic updates, while Razor Pages uses server-side rendering to generate pages for each request.
Angular is primarily a client-side framework designed for single-page applications (SPAs). It loads the application shell during initial page load, after which subsequent interactions occur through API calls, enabling dynamic content updates without full page reloads. Modern Angular applications can also leverage Server-Side Rendering through Angular Universal to improve initial page load times, enhance SEO capabilities, and optimize performance on slower devices.
Razor Pages operates within ASP.NET Core’s server-side framework ecosystem, employing traditional server-side rendering for each page request. While this traditionally meant generating new pages on the server, modern Razor Pages applications support client-side interactivity through traditional JavaScript, AJAX for partial page updates, and real-time updates via SignalR.
Pick Angular When –
Your application revolves around real-time user interactions (like collaborative tools, live dashboards, or complex form wizards) where immediate content updates without page refreshes are essential.
Pick Razor Pages When –
Your application prioritizes delivering server-processed content efficiently (like content management systems, business portals, or data-entry applications) where traditional page-to-page navigation makes sense for the user experience.
Programming Language and Technologies
The main difference is that Angular is a client-side JavaScript framework that generates the webpage in the browser, while Razor Pages is a server-side framework that generates the page on the server before sending it to the client.
Angular is a client-side framework that uses TypeScript (a superset of JavaScript) alongside HTML to build web applications. Backed by Google, it leverages existing JavaScript libraries while providing features for creating dynamic, cross-platform frontend applications.
Razor Pages is a server-side framework within ASP.NET Core that combines C# or Visual Basic with HTML using Razor syntax. As part of the .NET ecosystem, it is deeply integrated with Visual Studio, providing development features like debugging, code completion, and integrated editing.
Pick Angular When –
Your development team is deeply versed in JavaScript/TypeScript and wants the full power of the JavaScript ecosystem, along with the advantages of Google’s backing and cross-platform deployment capabilities.
Pick Razor Pages When –
Your team’s expertise lies in .NET development and C#, and you want to leverage Visual Studio’s powerful development environment with integrated debugging and tooling within the .NET ecosystem.
Performance
The main difference between Angular and Razor Pages’ performance is that Angular prioritizes faster subsequent interactions after an initial page load, while Razor Pages emphasizes faster initial page loads and efficient server-side processing.
Angular offers faster client-side performance after initial page load through its optimized JavaScript engine, which handles application logic in the browser. It leverages client-side caching and reduces server load through efficient data management. However, developers must carefully optimize bundle sizes and manage client-side memory usage to maintain optimal performance. This architecture makes Angular particularly well-suited for complex, interactive single-page applications where fluid user interactions are essential.
Razor Pages delivers efficient performance through server-side rendering, which enables faster initial page loads and reduces client-side resource requirements. It excels in performance optimization through robust server-side caching, efficient database operations through direct backend access, and streamlined data transfer between server and client. This architecture makes Razor Pages particularly effective for content-heavy applications where fast initial rendering and efficient data processing are priorities.
Pick Angular When –
Your application needs blazing-fast interactions after initial load, such as data-heavy dashboards or applications where users spend long sessions interacting with the same feature set, making the initial load time less critical than subsequent performance.
Pick Razor Pages When –
Your application needs quick initial page loads and efficient server-side data processing, such as content-focused websites or applications where users frequently navigate between different pages and expect immediate access to fresh content.
Ecosystems
The main difference between Angular and Razor Pages’ ecosystems is how their available components contribute to different types of applications: Angular is often found to be better for larger, enterprise-level applications while Razor Pages is more suited for simpler internet applications.
The Angular ecosystem uses a variety of tools and libraries with key components being Angular CLI, Angular Schematics, Angular Core, RxJS, NgRx, and Angular Material.
Razor Pages leverages the .NET ecosystem, meaning it can seamlessly integrate with other ASP.NET Core features such as ASP.NET Core Identity, and can use other key features like ASP.NET Core CLI, model binding, routing, tag helpers, validation, and the ability to embed C# into the HTML.
While it is also possible to use both Angular and Razor Pages within the same internet app, it would require extensive architectural planning. Framework boundaries need to be clearly defined, as well as data flow patterns, authentication mechanisms, separate build pipelines, and the optimization of both server-side and client-side components.
Pick Angular When –
Your project needs a rich ecosystem of specialized frontend tools and libraries (like RxJS for reactive programming and NgRx for state management), and you’re building an enterprise-scale application that will benefit from Angular’s comprehensive toolchain.
Pick Razor Pages When –
You want seamless integration with the .NET ecosystem and its built-in features (like Identity for authentication and tag helpers), and you’re building an application that will benefit from staying within a single, cohesive technology stack.
Given the complexity, most projects will benefit from choosing one framework or the other based on the specific use case.
What Are the Use Cases for Angular and Razor Pages?
Angular and Razor Pages are ideal for different types of use cases based on an organization’s desired functions, features, flexibility, and even the industry that their online application will be serving.
Angular Use Cases
Angular’s performance and flexibility makes it ideal for the building of enterprise-level applications, content-rich online apps, single-page applications, and e-commerce web apps.
Angular has been used to build popular web applications such as Google, Forbes, PayPal, Upwork, The Weather Channel, JetBlue, and Deutsche Bank. Internet apps like Gmail, PayPal, UpWork, and Deutsche Bank may require more complex interactions, which Angular makes possible. Meanwhile, for cloud-based apps like The Weather Channel, Angular aids in the creation of data-driven applications that use real-time dashboards and reporting tools.
Razor Pages Use Cases
Razor Pages is ideal for page-centric content and for the building of form-based web apps, content-centric internet apps with lots of static content like blog posts, and internal cloud-based applications for simple dashboards, internal tools, and displaying data and forms.
Razor Pages is more suitable for small to medium online applications such as internal business portals for payroll and other HR purposes, a simple corporate website that focuses on showcasing services and improving SEO with minimal interactivity, or a small e-commerce internet app that focuses more on SEO and user experience but not so much in complex interactivity.
While both are highly useful, the limitations of Angular and Razor Pages are why they are useful for different purposes.
What Are the Limitations of Angular and Razor Pages?
The main difference is that Angular enables complex web applications at the cost of a steeper learning curve and required expertise, while Razor Pages prioritizes simplicity but becomes less effective as application complexity increases.
Angular Limitations
For Angular, the limitation created by its complexity exists in its need for a lot of boilerplate code. There is also limited SEO capabilities unless the extra work of server-side rendering with Angular Universal is done.
Razor Pages Limitations
With Razor Pages’ strengths being in creating simpler applications, it is fairly limited in building internet apps that need complex interactivity and dynamic UIs. Razor Pages also has limited JavaScript capabilities with its Razor Syntax.