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Web Application Architecture – A Wholesome Guide




May 25, 2020

Web Application Architecture

Web Application Architecture – Introduction

The increased number of internet users has opened the gates for many technological revolutions. When the action is carried out with the internet, the user engagements are expected to grow massively. A common internet user gets to visualize the application only after having a rigid interaction with a series of components, such as User Interface, middleware systems, and Database. Here, a framework that coordinates and binds these interactions together is the typical web application architecture.

The biggest challenge that stays ahead of a developer after gathering the client’s requirement is to finalize the architecture of web applications and the components. Thus choosing the best appropriate determines the gain of the web application.

The column is a detailed tutorial that guides on fundamentals of web application architecture, how it works, its types, the components, and the future trends.

Let’s start!

Web App Architecture determines the way how the software logic is being divided between the server and the client, and the modes of how they communicate with each other. In simple words, when a user types a URL and go-ahead with the search, the browser request for that particular page,  responding to the request, the server sends back the file to the browser. And then the file is being executed by the browser.

And also this happens within a fraction of seconds. Thus, web application architecture makes it simple for the user to interact with the website, choosing a suitable type can benefit the business greatly.

Web Application Architecture – Working

The applications are build by running two sets of code simultaneously, on client-side & server-side.

Client-Side Code: The code in the browser which works on the input of the user.

Server-Side Code: The code in the server which works as per HTTP request.

It is the responsibility of the web developer to decide the role of the code on the server with respect to the role of the code on the browser.  HTML, CSS & Javascript are used for writing client-side code, these codes can be seen by the user and it responds to user input. While C#, Java, Javascript, PHP, Ruby, Node.js are server-side code, these codes build the page user requested for and also store the user data which is kept safe and never shown to end-users.

Web Application Architecture Overflow

Image Reference: Wikipedia

Web Application Architecture Components

As stated above, web app architecture comprises several components and these components fall under two categories i.e; User Interface App Components & Structural Components.

User Interface App Component

Dashboards, Notifications, Reports/Statistics, Logs, Configuration, Tracking Settings, etc are User Interface App component which has nothing to deal with massive functions. User Interface app component precise more on the UI layouts.

Structural component

These are the components that dealt with the functionality of the application and these components are the major contributor to the development process.

1. Client Component
2. Server Component
3. Database Server

1. Client Component:  The browser or client components allows the user to interact with the application and these are built by HTML, CSS & Javascript and they don’t need operating system revisions.

2. Server Component: It’s the core hub that handles and supports the app logic and multi-layer application. These components are created by  C#, Java, Javascript, PHP, Ruby, Node.Js.

3. Database Server: It stores, retrieves, and gives away the required information. Furthermore, it can also provide the app logics and information which is managed by web application servers.

Types of Web App Architecture

Web Application Architecture Components

Single Page Application

The simple looks like yet popular architecture that does dynamic performance by drawing the important element & content from the server rather than completely loading the new page.


An independently deployable, lightweight structure that executes a specific single functionality.  The developer can build fast and reliable applications with microservice architecture frameworks. A developer also has the advantage of choosing the technology as the components in microservices architecture are independent.

Serverless Architectures

The application built with serverless architectures executes without any link with infrastructure aided tasks. The developer need not manage the backend server as these applications harness by third-party cloud infrastructure services.

Web Server Architecture

Web Server Architecture defined as the architectural layout that supports the design, development & deployment of web servers. The purpose of the webserver is to complete the request made by browser & mobile app, the requests are made using a secure HTTPs protocol and the request is either related to page resources or REST API.

The web server architecture structure includes physical capacity like storage, computing power, memory, performance, and app tiers that include the different types of apps anywhere either inside the server, across the network, or the operating systems.

Web App Architectural Layout

Java Web Application Architecture

Being the versatile programming language Java stays as the top picked and exclusive developer choice in building an app on an enterprise development environment. The essential requirement of an application determines the intense complexity nature of web app architecture.

Irrespective of the solution either simple or more informative one Java web app architecture is the preferred choice of the developer to get the desired result.

The added advantage of opting such architecture is that it has the potential to combine and work with Java native tools and frameworks to deliver great applications. Be it a simple or multi-tier enterprise web solution developer has the ease of picking tools and frameworks of their choice.

Node.js Web Application Architecture

Node.js Web Application Architecture has become a comfortable choice for many developers. As the language is written in JS and the Javascript is used in frontend components this eventually making it easier for the developer to program back-end and front end-user interface.

The complete Node.js Web Application Architecture is based on the pattern of the model-view like Model-View-Controller (MVC), the Model-View-ViewModel (MVVM), and the Model-View-Presenter (MVP). The language allows the pattern for identifying code elements and integration. It is a known fact that Node.js was designed with the intension of giving away splendid integration.

Thus, it becomes the enterprise choice to leverage the framework to connect plenty of services through a single user interface.

Cloud-based Web Application Architecture

The wide benefits of cloud-based web application architecture have made the developer move towards it. The great advantage of having this type of development is data decoupling, the application based on cloud runs on both local servers and on the cloud.  Some of the features include the fast scalability and out of box monitoring features.

With simple API’s through internet medium, they give away readily accessible services to the user.

.NET Web Application Architecture

This architecture of web application handles cross-platform support, Docker containers, microservices,  and side-by-side versioning. The biggest advantage of opting .NET framework is that it doesn’t require database code to store data.

Some of the beneficial features of the .NET framework are less coding and increased reuse of code, deployment, reliability, and integration with legacy systems.

PHP Web Application Architecture

The most popular yet simple one is PHP Web Application Architecture, it is considered to be the least complex and great functional one. For effective unit testing, security, ease working with database more importantly speed are some of the unique straights of PHP based web applications.

AngularJS Web Application Architecture

Angular JS is an open-source MVC framework like Javascript, the architecture works well in HTML and TypeScript as both platform and framework. Some of the benefits of building AngularJS based web application are two-way binding, ease routing,  integration, and unit testing,

Also, check out  Angular Components Interaction Methods – A Quick Study &  Template Driven & Reactive Forms – Angular “An Overview”

Python Web Application Architecture

The easy to understand coding for server-side scripting has become the best choice for developers who initiate their first development project. The dynamic behavior and shortcodes capabilities have made it the best fit for prototypes.

The developer gets to have the ease of building custom web application development using python framework.

Attributes For The Best Web Application

– Maintain Consistency in Performance Uniformly
– Should Support Tracking Analytics & A/B Testing
– Indulge Security Standards
– No loopholes for failure
– Fast Response Time
– High Scalability
– Avoid Frequent Clashed
– Automated Deployment

Right attributes build the right application, thus ensuring the above capabilities while creating a web application is important. The evolution of technology & frameworks has evolved the performances of web applications as well. The appropriate choice of components & architecture of web applications determine the performance of the web application, Also, picking the right architectures covers the future scope of scalability.

Do you have an idea and looking for the perfect firm to give pace? At Calibraint as a software product development company, we exercise diverse strategies and execution to give away the splendid experience. Talk with our experts to empower your trade!

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