How to Prepare for Managing High Traffic on Websites and Apps

A website’s performance is a significant factor in user engagement and retention. Research suggests that if a website takes longer than 3 seconds to load, users leave immediately and don’t return. Website performance is the speed of a web page to download, render, and display in a web browser.

It refers to the time spent sending data from one tracked process to another. So the main difference to keep in mind is that Horizontal scaling adds more machine resources to your existing machine infrastructure. In contrast, Vertical scaling adds power to your current machine infrastructure by increasing power from CPU or RAM to existing machines. If you are facing less demand during the off-season, then you can downscale your network for reducing your IT costs. You can find a detailed guide here on how much does it cost to build a web app. However, the process of how to build a web app does not finish here.

Large Businesses

There is extensive documentation and plenty of handy tools available for developers. ReactJS uses a virtual DOM which means concerned elements are updated when a change is made instead of the entire DOM tree being rewritten. ReactJS uses a one-way Data flow which means changes made to the “child” elements do not affect the “parent” element.

development of high-load web application

Most scalability issues can be prevented at the initial stage of development. When you start building your product, you need to think about future growth and know the challenges you may face. For example, if you’re building an MVP according to a single-server architecture, you should be ready for shifting to a multi-server architecture at high load system architecture some point. In conclusion, web application architecture plays a vital role in the development and success of any web application. The microservice architecture pattern can be greatly enhanced by using serverless resources. In the microservice development model, application components are separated, enabling more flexibility in deployment.


Web development best practices strive to separate different architectural layers. You should also keep background jobs separate from the main system. In normal situations, software performance changes as the load grows, and this process is usually gradual. However, there are situations where the jumps are too high and can unexpectedly cause software failure. The saturation point is the level of load that software can barely handle and at which it starts to malfunction.

development of high-load web application

I know this third-party vendor changes API calls every few months, breaking my client’s authentication. APIs are the bridge between the web pages and the database. APIs transfer data from data sources to web browsers and vice versa.

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This component is responsible for interpreting user actions in the interface, processing requests and correct responses to them. When building a website that may get a ton of traffic, you want to make sure that you choose a scalable and high-performance database engine. For example, some databases are not designed for highly trafficked websites. A typical website is a large web application that does more than host a few web pages. A website typically involves backend databases, APIs or data access services, web servers and services, backend services, and front-end web pages.

development of high-load web application

To build a web application, you need to know how it differs from a website. Web application development is creating a platform for interaction purposes. In how to develop a web app, you won’t have to select a platform to build the application.

Persistence layer

There are several challenges to building a scalable web application like the choice of framework, testing, deployment, and even infrastructure needs. As mentioned earlier, a scalable application needs different layers to scale independently rather than as a stack of tightly coupled components. Now, let’s look at some successful applications that leveraged such scalable web architecture.

  • However, the hierarchical structure can sometimes make debugging a challenge.
  • Building with scalability in mind will help you improve your ability to serve customer requests under heavy load, as well as reduce downtime due to server crashes.
  • It is also essential to ensure the web application’s reliability and security.
  • Due to the “Test First” approach of TDD, there is rapid feedback to the functionality of applications predefined by test codes.
  • The idea was to create an app to predict the success of a song with the help of Artificial Intelligence and user interaction.
  • This article guides how to create scalable web applications that can process a huge data stream without unexpected breakdowns.
  • Security in scalable web services is mainly about limiting the attack surface.

Node.js is an open-source cross-platform runtime environment developed by Ryan Dahl. It was built on Google Chrome V8 Engine to run network and server-side applications and was released in 2009. Developers use JavaScript to build node.js applications and run them on node.js runtime using Windows, macOS and Linux platforms.

How to design a highload app

It is necessary tohire a dedicated software development teamwith extensive expertise in creating scalable software to follow this principle. In the first case, the load is reduced by processing certain parts of requests through the network and creating a reliable data recovery system. In the second – thanks to the distribution of data through several databases and adding more nodes with an increase in the user flow. Database management is vital to product scalability and performance.

development of high-load web application

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