How to Build a Robust Web Application in 2023

How to Build a Robust Web Application in 2023.

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Every website should be built with scalability in mind from the start. Work on the application’s scalability should begin before web app development even begins, with the expectation that there would be a sudden influx of users at any time. 

This blog explores building scalable web apps that process massive amounts of data without downtime. Develop scalable web apps that can handle a lot of user input. 

What are Scalable Application? 

Web applications that can scale well are able to continue performing adequately in the face of increasing loads of users, data, and requests. They should scale well from one user to a million, and be able to automatically handle peaks in traffic. 

There are two primary types of scalability in cloud computing: horizontal and vertical.  

When we talk about a system’s horizontal scalability, we’re referring to its ability to provide adequate performance in the face of increasing demands, whereas when we talk about vertical scalability, we’re talking about its ability to do the same thing in the face of increasing demands. 

Let’s use the example of a scooter to further break down the concept of scalability. If your family has expanded from two to four members, you’ll need to upgrade your scooter’s carrying capacity. This requires the installation of an additional side car. Growth of websites follows the same principle. 

Significance of Scalability 

The success of any web application development depends on its ability to scale, however most web and app development firms lack a fundamental grasp of what scalability is and how to harness its principles and standards from design to implementation.  

Users expect speedy responses, and a poorly designed software will be quickly forgotten. 

Most web and app development companies fail because they don’t understand scalability and don’t know how to harness the principles and standards from design to implementation. 

Key Factors: 

Several key elements must be taken into account for a web application to be considered scalable. Among these are functionality, backup, administration simplicity, and user satisfaction.  

Load balancing is the key to maximising performance, short recovery times in the event of an outage are indicative of a system’s reliability, and simple upkeep and revision procedures are indicative of its manageability.  

When a company adopts a scalable development approach and set of principles, they are not adopting a new language or framework.  

Consider the user experience, page load speeds, time needed to make changes in the code, and even the cost of changing the entire application when designing a scalable web application. 

Benefits of a Scalable Web Application: 

The most important details of a scalable web application are: 

  • It can handle a higher load,
  • Keep customer acquisition costs within a reasonable limit, and
  • Be able to add new features seamlessly. 

It should also scale well across different geographic regions, and have good scalable web app principles to ensure that maintenance costs grow at a reasonable rate when the system scales. Entrepreneurs can gain significant benefits by building scalable web applications. 

What You Need to Know to Create Scalable Web Applications 

Now that you know what scalability is and why it’s so important, let’s go over the methods for creating scalable web apps. 

Think About how your Expectations Need to be Adjusted 

The very first thing you need to do in order to comprehend is evaluate the requirement for growing and managing expectations. Because scaling can be expensive, you should be sure that your goals are realistic. Data collection can assist you decide by showing whether or not your web app can handle the expected growth, the storage plan you’re utilising, and any potential spikes in traffic. 

Ensure Scalability with the Help of the Right Tools 

After your app is up and running, it’s important to keep an eye on its stats on a consistent basis. Therefore, an Application Performance Management (APM) solution is essential. The value of app performance monitoring lies in the insights it provides, which may be used to identify problem areas. 

Select a Framework with High Scalability 

Well, frameworks also have a big impact on the app’s scalability. In any case, the frameworks available to you will vary depending on the language you use. 

You can choose from a wide variety of languages for development, each with its own set of advantages and disadvantages. 

If you’re set on using Java, the reliable “Spring” framework is worth looking into. In addition, your development team may already be familiar with it because of the extensive documentation available.  

If you’re a fan of Node.js, js is a fantastic choice. 

If you’re looking for an alternative framework, “Top 10 backend web development frameworks” has you covered. 

Define your Scalability issue with the use of Measurement 

There are four scalability measures that can be used to characterise a problem with scaling. Memory consumption, CPU usage, Network Input/Output, and disc Input/Output are all examples of performance indicators. 

Disc I/O refers to all the operations that happen on a physical disk and Network I/O are the time spent sending data from one tracked process to another, while memory utilisation is the amount of RAM used by a specific system at a given unit of time and CPU usage is the CPU usage that indicates performance issues. 

Right Infrastructure for Scalability 

The managed cloud services provider handles the infrastructure, networking, servers, storage, middleware, operating system (OS), runtime environment, database, and interaction with third-party services in the cloud computing model known as platform as a service (PaaS).  

Service Level Agreements (SLAs) guarantee certain levels of uptime, consistency, and scalability from your PaaS provider.  

To scale their web app, startups don’t have to make a big investment in IT infrastructure, and they can do it with minimal effort thanks to PaaS.  

Several well-known PaaS providers are Amazon Web Services’ Elastic Beanstalk, Microsoft Azure’s PaaS, IBM Cloud, and Heroku. 

Right Software Architecture Pattern for Scalability 

Let’s see the differences between the two dominant design patterns for scalable applications: the Monolithic Architecture and the Microservices Architecture.  

With a monolithic architecture, all of an app’s features and functionality are contained in a single codebase, which is ideal for simple apps but can quickly spiral out of control as the programme grows in complexity.  

Microservices Architecture is constructed as a collection of independent little services, each with its own codebase, and no hard requirements between the framework’s modules. 

When it came time to scale and add new features to their applications, many companies first built web app with monolith and then switched to a microservices framework. 

Manage Stakeholders’ Expectations as you Scale your online App. 

The most critical information presented here is that expanding or contracting a firm can be expensive, and that expanding even a solid web app can add complexity to the entire setup.  

Stakeholders should be made aware of the fact that even scaling a seemingly simple website app can add complexity to the entire system, and that they are under no need to do so simply because everyone else is doing it. 


Developers should consider app scalability when developing scalable web apps to achieve positive results for their company. There are app development businesses who specialise in this and have years of expertise dealing with a wide range of scaling scenarios. To improve high web app scalability, developers should use the aforementioned ways for a highly scalable web project.

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