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What Is Web Application Architecture? How It Works, Trends, Best Practices And More

All these processes take place on different layers of the web application. So, it’s time to tell you how all these components work together when someone interacts with a web app.

Then some of the popular technologies which enable you to write these apps are NodeJS, and the popular Python framework known as Tornado. If you are working in the Java Ecosystem you can look into Spring Reactor, Play, and Akka. NoSQL databases also fit best for data analytics use cases, where we have to deal with an influx of massive amounts of data. If your data has a lot of relationships like which friends of yours live in a particular city?

In case the server goes down, the web will be going down as well. Apart from these, additional components like the database server will be sending the requested data to the server-side. The server always works for catching the request and sending it to the data storage for the page’s location and requesting for the data to get displayed on the browser. Web applications where offline support is crucial, such as an application designed for workers in the field where internet access might be spotty.


The service returns the data and displays an HTML page to the client. Web application architecture is a high-level structure that determines the way your product and business will operate, perform and scale. These days, the stage of choosing web app architecture is often where you get lost in a variety of options available on the software development market. The more new names and trends appear, the harder it becomes to decide. Isomorph, Progressive Web app, SPA, or SSR – what’s the best modern web app architecture for you, and which criteria to use for evaluation? In this article, we cover the major front-end architecture types available for the Web and explain the peculiarities of their implementation. Speaking of software design, it’s more about the code level design, and it’s responsible for the functionality of each module and its purposes.

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Besides, Java is a solution on how to design architecture for web application making it solid and flexible on a long-term basis, which is beneficial for web apps architecture of any scale. To create a PWA, developers use web programming languages like HTML, CSS, and Java web application architecture. If the app needs access to devices’ features, developers use extra APIs — NFC API, Bluetooth API, Geolocation API, and others.

Nevertheless, it’s quite often used to run test projects and learn and understand the web application’s fundamentals. It’s a particular model of online storage and exchange of data through the Internet. The Data Warehouse can be used for storing a variety of files of different types such as videos, photos, or so on.

Using Node Js For Backend Web Development In 2022

PWAs are developed as pages, but the user experience is significantly higher. Without having to download anything to the device, users can receive push notifications or even access the app offline. Regardless of whether you go with the monolithic or microservices architecture model, it will further break down into the following three layers. On the other hand, in case of serverless architecture, a web app is hosted via the cloud by a third party.

architecture for web application

Also, it is advisable to use more than 4 or 5 servers or both to install load balancers. At least two web servers are needed for this component model to avoid failure.

How To Design Architecture For Web Application

High-level architecture planning is indeed the best way to get started with the product. A web page takes time to load entirely, which kills user experience. While building components, we need to figure out the appropriate and suitable model. We will discuss the above points in web application architecture and we will understand the core concept, how the architecture works, its components, and types in detail.

We will explore what is web application architecture, its main components, the types of web application architecture, as well as web server architecture types. Get a good understanding of web application architecture with our comprehensive guide. Enterprise application is a highly customizable software that’s developed specifically development operations for the needs of a particular organization. It usually has several business-oriented tools integrated under a single interface. Enterprise systems are also directly wired into the company’s existing workflow. They are robust, give access to a lot of users simultaneously, and share interfaces with various other enterprise tools.

Levels Of Web App Architecture

Healthcare, retail, and agriculture are apparently primary IoT domains in 2021. In addition, the latest web application architecture UI trends are impacted by the IoT technology progress. The business needs of a solution needs to be viewed in the context of technical needs and vice versa. The right web application architecture paves the way for future plans of expansion and scalability with what can be called as an intelligent blueprint. Not only is it dynamic, it does not require lengthy coding, typically reducing coding length by as much as 1/5th of other programming languages. One of the distinct advantages of this architecture is the ability to combine and rely on the Java native tools, and frameworks for creating applications.

This technology is about packaging up the application along with related libraries, configuration files, and supporting dependencies into a single software package . The container is independent of the host operating system, allowing it to run on nearly any platform. Resilience testing and monitoring are challenging because you have to work with separate modules across multiple servers. On top of that, your team has to document communications between every microservice. In the server-side rendered architecture, the web server generates the whole page on every request.

Net Web Server Architecture

Hence, this model is not commonly used for building web applications. With directing incoming requests to one of the multiple servers, the load balancer sends an answer to a user. Usually, web application servers exist in the form of multiple copies mirroring each other. Hence, any server processes requests in the same manner, and the load balancer distributes tasks among them so they will not be overcharged. Modern software applications and information systems have reached such a level of development that the term “architecture” applied to them no longer seems out of place. Creating an effectively and reliably functioning information system from scratch is no easier than to construct a multistoried building. Lastly, progressive web apps are the latest trend in client-side architecture.

This pattern separates the operations of reading and updates for data storing. Maximization of Performance, Security, and Scalability are the benefits of implementing the CQRS pattern. Migrating the system to the CQRS approach helps the system to evolve better in time preventing merger conflicts at the domain level due to update commands. Unlike the traditional approach which would be well enough for simple CRUD operations, the complex applications would face issues with the traditional architectures.

architecture for web application

With mobile becoming the preferred device for search, the need is for Web app development and architecture that meets requirements across all platforms. This is a type of JavaScript application that can run both on the client-side and the server-side.

The framework’s Data Access Layer allows using stored data without applying a specific database code. As a more sophisticated type, a widget web app allows for loading data without requesting the page reload. In this web application architecture type, widgets send AJAX queries and receive chunks of data in HTML and JSON. The downsides of the widget app are cybersecurity issues and long development time. Even though the basic structure of a web architecture design is consistent, the approaches that developers use to build and connect these layers differ. Let’s take a look at the most common approaches to building a web app and tying all the page components together.

  • Thread management, low-level address space managed and inter-process communication are included in this mechanism.
  • The microservice architecture fits best for complex use cases and for apps which expect traffic to increase exponentially in future like a fancy social network application.
  • Web Application Architectures comprises various components that are segregated into two categories of components – user interface components and structural components.
  • Hence, if you fill your credentials in a registration form, you manage the front-end, but when you click ‘enter’ and get registered – the back-end makes it work.
  • If you are about to develop a web app for your business, you’ll probably wrack your brains over these options.
  • Because storing these data on a VM local disk can be costly and can consume large computation resources, they are generally stored in external storage.

A service-oriented architecture has its own HTTP API and may run on multiple servers at once as they work together by sending requests to each other. Creating software-as-a-service products is a long-established trend that stayed essential throughout the years. Having more than two databases and web servers are the most dependable option. Due to its ability to manage and process large amounts of data, this model web application architecture is a solid basis for an enterprise web application architecture. Web applications of different sizes and complexity levels all follow the same architectural principle, but details may differ. We will further explain how a basic request-response process works and what components comprise the architecture. The complexity of a web application architecture depends solely on the requirements of the desired solution.

Single Page Applications are increasingly popular due to their minimalist layout and architectural structure. SPA architecture is organized in such a way that only part of the page content gets updated when a user moves on to a new page, so there’s no need to reload the same components. This alone makes it extremely convenient for both developers and users alike! Utilizing popular JavaScript frameworks like Angular and React, developers use SPA architecture to deliver a unique and interactive user experience by allowing single-page apps. One of the primary trends in web app development of the last few years is progressive web applications. They are web-based application architecture solutions designed to act like native apps on mobile devices. PWAs offer push notifications, offline access, and a capacity to install an app on your device.

Over time, the Internet has made a shift towards active user engagement as well as extended functionality by means of visually pleasing and powerful web applications. With the two above trends, web apps are now much better suited for viewing on multiple platforms and multiple devices. Even when most of the code for the apps remain the same, they can still be viewed clearly and easily on a smaller screen. In fact, it should be efficient and straightforward to ensure smooth web app development and maintenance. It’s the truth that high-level architecture provides an easier extension and modification as well as testing, debugging, and comprehension. When you build an SSR app, the server compiles all the data and serves up a new HTML document on each request.

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