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Building Scalable and Robust Web App: Best Practices

by James Anderson
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Scalable and Robust Web App

Do you want to create a scalable and robust web app that “converts”?  Well, that’s why you’re here and you will not have to go anywhere else after reading this post. 

Let’s face it! Without robust groundwork and thoughtful adherence to industry standards, an application runs into errors. Maintaining a digital presence for your web application is imperative, but it’s just as vital to guarantee its scalability. Before we dive into the practices of building scalable apps, let’s understand what it exactly means!

Defining Scalable and Robust Web App

Scalability is incredibly important for any web app to succeed. People want websites and apps to work quickly and smoothly. If an app isn’t set up to handle a lot of users at once, it could lose users fast. It affects a bunch of important things like how well the app works, how backups are done, how easy it is to manage, and how happy users are.

Scalability means the app can keep running smoothly even when a ton of people are using it at the same time. It’s like giving the app elastic powers to stretch to fit all those users without crashing or slowing down. This helps process a lot of data without causing any hiccups in the app’s performance.


Benefits of Scalable and Robust Web App

Here are the potential reasons to build scalable web apps. 

  • Maintain a Good User Experience 

One of the key benefits is that it can propel your app to instant success, leading to a significant surge in traffic. However, this inflow is often unpredictable, making it challenging to anticipate when growth will occur. A scalable app is equipped to handle sudden spikes in user activity seamlessly which ensures continuous operation. 

  • Increased Loading Speed

Another key benefit of building scalable products is that it helps increase the loading speed of the app. Slow loading speeds are a common source of frustration for users. Scalable applications reduce rendering time, which would lead to improved user satisfaction and increased revenue.

  • Room for Improvements

If your web application is not designed to scale effectively, it can have a negative influence on your online presence. Whether you want to implement to expand its capabilities or introduce new features, a scalable app may help offer a huge space for improvement. 

  • Enhanced User Experience

A scalable web application provides users with a consistently excellent user experience, even during periods of high usage. It means that users are less likely to encounter slowdowns, errors, or downtime which facilitates overall satisfaction with the service.

  • Easier Maintenance and Updates

Lastly, In scalable architectures, components are often modular, allowing them to be updated independently. This approach streamlines maintenance and updates, as changes can be made to specific parts without impacting the entire system.

Steps to Build a Scalable and Robust Web App

Let’s dive in!

Consider the Right Scalability Metric

Scalability refers to the ability of an application to handle increasing amounts of traffic or workload efficiently. To create a scalable web application, it’s essential to identify scalability issues and understand the challenges you might encounter. Here are the main scalability metrics you need to consider:

  • Horizontal Scaling (Scaling Out): This involves expanding the backend infrastructure by adding more machines to the network. Horizontal scaling focuses on improving the server’s capacity to handle user traffic effectively.
  • Vertical Scaling (Scaling Up): Vertical scaling entails increasing the capacity of individual servers that manage the traffic load of scalable applications. This is achieved by adding more hardware resources to the server, such as CPU, RAM, and storage.
  • Elastic Scalability: Elastic scalability integrates both horizontal and vertical scaling approaches. It involves dynamically allocating and deallocating resources to ensure optimal server engagement in real-time traffic handling. This leads to higher cost-efficiency in the operation of scalable applications due to resource optimization.
  • Database Scalability: This aspect focuses on expanding and enhancing the accessibility of the database. It involves managing and storing data efficiently, allowing the web architecture to handle large amounts of data and concurrent database operations effectively.
  • Geographical Scalability: Geographical scalability involves distributing scalable web applications to different regions and locations. This improves the user experience globally by reducing latency and enhancing performance. Technologies such as edge computing facilitate geographical scalability within a digital network.
  • Network Scalability: Network scalability improves the architecture of scalable web applications by enhancing their load-handling capacity. This involves efficiently managing large amounts of incoming and outgoing traffic, thereby increasing the application’s ability to accommodate a greater number of users. Key components for network scalability include content delivery networks, load balancers, and network optimization techniques.

2. Right Architecture to Create Scalable Web Applications

It is no secret that the principles of scalable web app design revolve around having the right architectural foundation. Even minor flaws in architecture can significantly impact scalability, making it crucial to select the best approach for your enterprise. Here are two popular architectures used to create highly scalable web apps:

  • Monolithic Architecture: This traditional software model comprises a unified unit containing nodes, networks, and resources independent of other hardware applications. The monolithic architecture boasts a robust code base that integrates various business components, serving as the foundation of the web application.
  • Microservices Architecture: Microservices architecture involves breaking down the application into independent business logic and databases, offering efficient application monitoring solutions. The key advantage of microservices is that updates, testing, and deployment can be performed on specific components without adversely affecting the entire web app.

3. Incorporate the Right Framework

The choice of framework plays a crucial role in determining the scalability of a web application, as it influences how long the application can remain scalable. Depending on the framework selected, developers can incorporate or discard various features. Here are some of the best frameworks for building highly scalable web applications:

  • Node.js: Node.js is a widely-used runtime environment that enables developers to create scalable web applications using JavaScript. It employs an event-driven, non-blocking I/O model, making it adept at handling concurrent requests. When combined with frameworks like Express.js, Node.js facilitates the development of high-performance and scalable web servers.
  • Django: Django is a robust Python framework that follows the Model-View-Controller (MVC) architectural pattern. It offers powerful tools for building scalable web applications, emphasizing reusability and modularity. Django enhances scalability through features such as database connection pooling and caching mechanisms.
  • Ruby on Rails: Ruby on Rails, also known as Rails, is a web development framework that prioritizes convention over configuration. It fosters rapid development and scalability by providing a modular structure and built-in solutions for common web application needs. Rails leverages caching and database connection pooling techniques to enhance performance and scalability.

The Bottom Lines

So, there you have it! Developing scalable and robust web app is paramount in contemporary web development. Whether you’re embarking on a startup venture or managing an established business, scalability apps are a must!

Looking to build a scalable and robust web app? If so, your search ends here!

The leading web app development company that builds scalable and solid web apps for different industries, including transportation and logistics, hospitality, healthcare, fintech, retail, risk management, and more. We have a team of dedicated app developers who harness the right set of technology and tools to build web apps that attract online traffic and convert them into potential customers. 

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