{"id":15873,"date":"2024-08-15T14:06:01","date_gmt":"2024-08-15T11:06:01","guid":{"rendered":"https:\/\/www.intellectsoft.net\/blog\/?p=15873"},"modified":"2026-06-12T17:46:09","modified_gmt":"2026-06-12T14:46:09","slug":"web-application-architecture","status":"publish","type":"post","link":"https:\/\/www.intellectsoft.net\/blog\/web-application-architecture\/","title":{"rendered":"Web Application Architecture: The Basics"},"content":{"rendered":"

Web apps have clearly taken their place in the digital landscape, leading businesses to evolve with cutting-edge technologies and rising safety expectations.<\/span><\/p>\n

As the web app market stays competitive and the demand for secure solutions increases, considering web app architecture has become more important than ever. This “foundation” of web app development is the backbone of building an app for your business. A thoughtfully designed architecture ensures that your web apps remain responsive, secure, and scalable as your business grows.\u00a0<\/span><\/p>\n

In this article, we\u2019ll dive into the components, types, and models of web application architecture. With this knowledge, you\u2019ll be well-equipped to confidently choose the right web app architecture for your needs. Keep reading to learn more!<\/p>\n

\"Infographic<\/p>\n

What is a web architecture?\u00a0<\/span><\/h2>\n

The definition of web app architecture is broad and depends on the focus of your web applications. At its core, a\u00a0<\/span>web application architecture<\/span><\/strong> is a model that defines how the components of a web app interact with each other. For instance, a client-server architecture, where the client is the user interface and the server is the back-end, is a common model.\u00a0The choice of architecture is closely tied to how the application logic is distributed between the client and server sides.<\/span><\/p>\n

Technically, it’s the intricate skeleton of a web app, encompassing its elements, databases, systems, servers, interfaces, and all the communication happening between them. More abstractly, it indicates the complex logic behind responses to client and server requests.<\/span><\/p>\n

When it comes to business benefits, <\/span>web application architecture plays a keyl role in building web applications and planning for their needs, ensuring they deliver on speed, scalability, security, and other key quality attributes.<\/p>\n

Components of Web Application Architecture<\/span><\/h2>\n

As the applications differ in complexity and functionality, the number of layers and components changes accordingly. In some cases, an app is simple enough to work as a monolith, storing all the web application design architecture in one place.<\/span><\/p>\n

However, most web apps consist of multiple components, or tiers, that interact with each other. Typically, web application architecture is divided into two major groups: user interface and structural web components. Structural web components, in turn, include both client-side and server-side components.<\/span><\/p>\n

When numerous components are involved, descriptions alone might not clearly understand the entire system. This is where a web application architecture diagram comes in handy, offering a visual representation of the components and their interactions. Let’s take a closer look at the key elements shown in this diagram.<\/span><\/p>\n

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\"Illustration<\/p>\n

DNS<\/span><\/h3>\n

The abbreviation DNS stands for the domain name system. It’s a key element that matches IP addresses to domain names. In this way, a particular server receives a request sent by an end user.<\/span><\/p>\n

Load Balancer<\/span><\/h3>\n

It directs incoming requests from app users to one of the multiple servers, which distributes the load more evenly when too many users are active at the same time. Generally, web app services exist as various copies mirroring one another to enable all servers to process requests in the same manner. Also, the load balancer is an element that distributes tasks to prevent them from overcharging.<\/span><\/p>\n

Web App Servers<\/span><\/h3>\n

This component is basically an app deployment descriptor. It processes the user’s requests and sends responses back to an initial browser. To make this happen, it refers to the back-end infrastructure, including the database, job queue, cache server, etc.<\/span><\/p>\n

Database<\/span><\/h3>\n

The meaning of this component is pretty much straightforward. It offers various instruments to perform, delete, organize, and update data entries. Mainly, web app servers interact with job servers without any intermediary.<\/span><\/p>\n

Caching Service<\/span><\/h3>\n

The component grants easy and quick data storage and search. When the user receives the info from the server, search results can be cached. As a result, future requests will be returned much faster.<\/span><\/p>\n

These are the scenarios when caching is efficient:<\/span><\/p>\n