Web Application Architecture: A Guide Through the Intricate Process of Building an App

java web application
application components

To make it happen, it refers to the backend infrastructure including the database, job queue, cache server, etc. Simply put, it’s a framework that is aimed at simplifying the interaction between components. It’s a client-server application that contains various user interfaces, insights, databases, and so on.

Security testing is a vital process to ensure the safety and integrity of web applications and their users. However, some common web vulnerabilities, such as cross-site request forgery and clickjacking, pose significant challenges and limitations for security testing. Monolithic architecture is the simplest type of web development architecture, where the entire application is built as a single, self-contained unit. This architecture is easy to develop and deploy but can be challenging to scale as the application grows.

software design

Examples include menu structure, navigation schemes, and placement of interactive components like buttons. Application architecture can be thought of as analogous to structural architecture. When you’re building a house, there are many architectural styles from which to choose, such as ranch, craftsman, Tudor, colonial, and Cape Cod. The architecture we select defines our options in terms of interior and exterior design—and the same principle applies to software. Read on to learn about the many styles of enterprise application architecture.

Below, you’ll find these recommendations illustrated with a PHP developed multi-tenant application:

Web application architecture typically consists of several layers that work together to create a functioning application. This tier is responsible for presenting the information to the user in a readable and understandable format. It is the front-end part of the application that the user interacts with.

Full webpage reloading takes time and degrades the user experience. The longer a user needs to wait to see the content or perform a necessary operation, the higher the bounce rate of your product. This layer ensures the security of your database as well as the data you store after interacting with clients. The data that is stored on your server is transferred to the presentation layer of the system through the data service layer. Components of the web architecture are about the general configuration of the system, without specifying its tiers. And layers of web app architecture are about the vertical structure of your future system.

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Unlike https://traderoom.info/-side rendering, isomorphic web architecture provides quick data updates, responsiveness, and multiple UI/UX options. It ensures quicker rendering when the server is loaded, as the processed code is transferred to the client. And unlike client-side rendering, it grants an instant display in the browser, user-friendly routing, SEO, and linkability. The only drawback this web app architecture type has is that it’s fully supported only by JavaScript. Most often, this means that the tech stack to choose from is limited to JS-based frameworks and tools.

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The applications differ in complexity and functionality, and the number of layers and components changes accordingly. It may happen that an app is so simple that it works as a monolith storing all the web application design architecture in one place. The reason the above factors are necessary is because, with the right attributes, you can build a better app. Not to mention, by supporting horizontal and vertical growth, software deployment is much more efficient, user-friendly and reliable. As technology continues to evolve, so does web application architecture. One such trend is the use of and creation of service-oriented architecture.

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If this foundation is solid and stable, further work on the product will be time- and cost-effective. Application architecture is a set of patterns and techniques that organizations use to determine how software should be built. It defines interactions between the components of an application as well as interactions involving core services, such as middleware and databases. Architectures may be specific to an organization or industry, or to the type of application being built. You can delegate as much responsibility as you need and benefit with a pay-as-you-use model to control the cost of cloud services.

Modern web apps still use the 3 tier architecture concept, which separates applications into presentation tier, application tier, and data tier. One of the main challenges of security testing for CSRF and clickjacking is that they are often invisible or subtle to the user and the developer. Instead, they rely on the user’s interaction with a third-party website or a manipulated web page that mimics the legitimate one. Therefore, traditional security testing methods, such as static analysis, dynamic analysis, or penetration testing, may not be able to identify or prevent these attacks. Learn to build and run applications and backend services without servers. The users will be authorized on one server, but their requests will be pointed to another server to be executed.

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It means that you’ll have to completely re-generate the website once you wish to add new content. This is one of the major drawbacks that seriously limits the business cases to which it is applicable. This article will increase your understanding of the major front-end architecture types available for the Web and the peculiarities of their implementation. Build secure, reliable, cost-effective data-processing architectures.


These layers of web app architecture work together to provide a functional and secure web application that meets the needs of its users. The infrastructure layer is the foundation of a web application architecture, consisting of the hardware and software components that support the application. Web application architecture refers to designing and organising the various components that make up a web application. These components include the user interface, server-side code logic, database, and other necessary application software components.

Microservices (Service-Oriented Architecture, SOA)

Serverless functions scale well and can be spun up and shut down very quickly. Serverless is also one of the least expensive ways to deploy software because cloud instances are unnecessary. Popular uses include event processing, image recognition, automated software testing, and machine translation.

This approach simplifies testing different parts of the system, as well as their maintenance. It is a portal to the data that you store in the memory of your server. With this layer, you can access and manipulate your data, including taking such actions as creating, reading, updating, and deleting your stored data . Understanding the logic of layers also enables you to more precisely estimate your web application development budget. At the same time, an already created web architecture for one product is usually difficult to adapt to a new product. This web application architecture is designed to show relevant content only.

  • Now, let’s take a closer look at each of the three web application architecture layers.
  • All user requests go across these layers and return to a user with a response.
  • Here, we’ve gathered the top 5 recommendations for business owners to consider while working on web app architecture for their projects and building cooperation with tech partners.
  • Administration and management activities play an integral part in the development and deployment of software products.
  • Microservices architectures are widely used in cloud-native, agile development environments like DevOps.
  • In its turn, the data service layer separates business logic from the client side while processing requests.

Their key benefits include lightweight, cost-effectiveness, cross-device nature, ability to attract web traffic, and a fully functioning app experience. In particular, they are loosely coupled and use APIs for communication if a sophisticated business problem arises. This peculiarity eases the developer’s life since it’s possible for individual service components to be built in different programming languages. Being the frequent alternative to an unreliable monolithic web application architecture, microservices disperse the functionality to deliver small and lightweight services separately. To make the right choice here, it’s also relevant to check your business requirements, along with technical information about features, functionalities, and the desired app logic. A web application architecture type is a particular pattern under which the components interact with each other.

Overall, the data layer is a critical component of a web application architecture, and its effectiveness determines the application’s performance, scalability, and reliability. By ensuring that data is stored, retrieved, and managed accurately and efficiently, the data layer provides a foundation for a successful web application. The application layer is also responsible for security, including user authentication and authorization, data validation, and preventing unauthorized access to the application’s resources. We use the latest technologies and frameworks to build robust and secure web applications.

Client-side Components

When the web application architecture best practices receives the info from the server, search results will be cached. Being an important part of developing any web app, it makes sure your design is efficient and scalable, which means it will work well under a variety of conditions and avoid downtime. Otherwise, a business app will irritate users with numerous bugs and turn them away from cooperating with it. The presentation layer defines the way users interact with the application.

  • Explore this helpful resource outlining every AWS service at-hand to help you pick the right service for your architecture.
  • In other words, web app elements can be adjusted or changed entirely without affecting the overall success of your web app.
  • Being a part of the interface layout design, the set of UI components includes activity logs, dashboards with analytics, and notifications.
  • We have completed different projects, successfully handled by our professionals.

“Separating the back-end UI layer out from the back-end business logic just makes sense in larger web architecture. Why should the front-end engineers care what server-side language is necessary to perform business-critical functions? The needs of the front-end are fundamentally different from the needs of the back-end”,this is how Zakas explains the main principle of this web application development type. An undeniable benefit of the micro-frontend architecture is its scalability.

modern web app

For instance, the startup owner can focus on the experience of competitors and take into account their weaknesses when designing a web app architecture with their development team. First of all, it’s essential to define your business goals and objectives. Once you do this it will be so much easier to decide on what specific type of web application architecture you should opt for. In addition, we will be able to provide you with the approximate costs for selecting and creating web application architecture delivered by Intellectsoft. When we are talking about the presentation layer we imply the front end of an app. This layer includes such elements as static content and dynamic interface that are visible to end users.