June 25, 2021

Web Application Architecture Guide: How it works? Types, Components, Best Practices, and More

Web Application Architecture Guide: How it works? Types, Components, Best Practices, and More

A book has a manuscript.
A car has a design.
A building has a structure.
A human body has a skeleton.
In the same way, a web application has a web application architecture.


We are surrounded by web applications right from the start of our day to its end. It’s so simple and easy to click, navigate and select whatever you want on such web apps. But have you ever imagined how much it takes to develop these apps?

Web app development has progressed exponentially for a few decades. The days of the static pages are bygone. Over time, the dynamicity of web apps has impressed the users and increased user interactions as well. But, do you know before starting with web app development, it is primary to explore web app architecture?

This detailed guide will discuss web application architecture, working, components, types, models, and best practices. The foremost lesson to be kept in mind is: Building web applications is not just coding! The development can be done when architecture is done and dusted. So, let’s start with the definition of web application architecture.

What is Web Application Architecture?

Web application architecture is a skeleton of a web application. It describes different interactions taking place between components, middleware, databases, and user interfaces. Due to such interactions, applications work together. Web application architecture deals with the flow and communication of the entire application and handles the major aspects and components of the product.

Web application architecture consists of components having a logical description. It determines the future design of the application, user experience, infrastructure, and software modules. Therefore, working on the architecture is the foremost step for developing a product.

Now, you might wonder how web application architecture works? Your answer is in the next section.

How does Web Application Architecture work?

We all know that web applications have two sides- front-end and back-end.

The front-end of a web application is said to be client-side, which interacts with users. The front-end is written in HTML, CSS, and Javascript. So when you open a web application, whatever you see and interact with comes under the front-end part.

Whereas the back-end is on the server-side and inaccessible by the users. On the server-side, the data is stored that can be accessed and manipulated easily.
The HTTP requests of the back-end use the data received by the users in the form of images, text, and files. Back-end can be easily developed using JS, Java, Python, PHP, Rails, etc.

Whenever the user visits a web page, the web server fetches the data and sends the response to the browser based on the user’s requests. Once the browser receives the response, the interaction begins. This whole process includes various components and models, which we will explore in the next section.

Placing the web app architecture correctly

  • reduces bugs, poor user experience, and response time
  • increases the application’s efficiency

So, be careful and precise when it comes to dealing with web application architecture.

Here are few attributes of the architecture:

  • Offers security
  • Solves business issues
  • Enhances visual aesthetics
  • Guarantees fast and better user experience
  • Enables A/B testing
  • Ensures higher automation level
  • Sustainable

Quick Read:
Difference between Front-End, Back-End, and Full-Stack Development

Read More: Web Server Architecture Diagram

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