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As of 2022, there are roughly 6.65 billion smartphone users around the globe, which is 86% of the global population.No wonder businesses understand that having a mobile presence is a necessity to help your business grow, rather than a fad. The question is which to choose: mobile app vs. mobile website.

In recent years, the IT outsourcing market has grown rapidly; in fact, it’s expected to reach $133.3 billion in 2025. This is happening because more and more companies are choosing to outsource development when they need to build a new software solution. 

Today, remote work is more popular than ever. The IT industry, which has always been a pioneer in building distributed teams and establishing remote work, is now probably the largest industry making full use of outsourcing.

Because of the increasing number of mobile users, many companies choose to create mobile applications, which usually require significant time and money to develop. This can be challenging if a company needs to offer an efficient, high-speed solution, as well as keep costs under control. To deal with that problem, a progressive web application, or PWA, is gaining popularity.

Making the right choices in web development architecture and web app components is essential for the success of the future product. In this article, we’ll explain 3-tier application architecture, its layers and components, and the way all of this works.