Frontend vs Backend - GeeksforGeeks (2024)

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Last Updated : 10 Sep, 2024

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Frontend and Backend are key terms in web development. The frontend is what users see and interact with, while the backend is how everything works behind the scenes. Both sides need to work together seamlessly to ensure a functional website.

The front end is the part of the website users can see and interact with such as the graphical user interface (GUI) and the command line including the design, navigating menus, texts, images, videos, etc. The backend, on the contrary, is part of the website users cannot see and interact with.
The visual aspects of the website that can be seen and experienced by users are frontend. On the other hand, everything that happens in the background can be attributed to the backend.
Languages used for the front end are HTML, CSS, and JavaScript while those used for the back end include Java, Ruby, Python, and .Net.

Let’s dive in deep to understand these terms better and know about some frontend and backend technologies that are popular these days.

Frontend vs Backend

1. Front End Development

The frontend is the part of the website users directly interact with. This includes the design, menus, text, images, videos, and overall layout. The main languages used for frontend development are HTML, CSS, and JavaScript. Responsiveness and performance are the two main objectives of the Front End. The developer must ensure that the site is responsive i.e. it appears correctly on devices of all sizes no part of the website should behave abnormally irrespective of the size of the screen.

Front End Languages

The front-end portion is built by using some languages which are discussed below:

HTML: HTML stands for Hypertext Markup Language. It is used to design the front-end portion of web pages using a markup language. HTML is a combination of Hypertext and Markup language. Hypertext defines the link between web pages. You can learn this language with Geeksforgeeks Advanced HTML – Self-Paced course and master the concepts of advanced HTML.
CSS: Cascading Style Sheets fondly referred to as CSS is a simply designed language intended to simplify the process of making web pages presentable. CSS allows you to apply styles to web pages. Also, if you want to enhance your skills then enroll in Geeksforgeeks CSS Foundation – Self-Paced course and learn all new concepts of CSS.
JavaScript: JavaScript is a famous scripting language used to create magic on sites to make the site interactive for the user. It is used to enhance the functionality of a website to run cool games and web-based software. Applicable in both front-end and back-end, Javascript is key to becoming a good developer. So start your web-development journey with Geeksforgeeks JavaScript Foundation – A self-Paced course today.

There are many other languages through which one can do front-end development depending upon the framework for example Flutter uses Dart, React uses JavaScript and Django uses Python, and much more.

Frontend Frameworks and Libraries:

AngularJS: AngularJs is a JavaScript open-source front-end framework that is mainly used to develop single-page web applications(SPAs). It is a continuously growing and expanding framework which provides better ways for developing web applications. It changes the static HTML to dynamic HTML. It is an open-source project which can be free. It extends HTML attributes with Directives, and data is bound with HTML.
React.js: React is a declarative, efficient, and flexible JavaScript library for building user interfaces. ReactJS is an open-source, component-based front-end library responsible only for the view layer of the application. It is maintained by Facebook.Moreover, React Js makes Front-end development very easy. You can now develop industry-ready Web Applications by enrolling in Geeksforgeeks React JS (Basic to Advanced) – Full Stack Development Course.
Bootstrap: Bootstrap is a free and open-source tool collection for creating responsive websites and web applications. It is the most popular HTML, CSS, and JavaScript framework for developing responsive, mobile-first websites.
jQuery: jQuery is an open-source JavaScript library that simplifies the interactions between an HTML/CSS document, or more precisely the Document Object Model (DOM), and JavaScript. Elaborating on the terms, jQuery simplifies HTML document traversing and manipulation, browser event handling, DOM animations, Ajax interactions, and cross-browser JavaScript development.
SASS: It is the most reliable, mature, and robust CSS extension language. It is used to extend the functionality of an existing CSS of a site including everything from variables, inheritance, and nesting with ease.
Flutter: Flutter is an open-source UI development SDK managed by google. It is powered by the Dart programming language. It builds performant and good-looking natively compiled applications for mobile (iOS, Android), web, and desktop from a single code base. The key selling point of flutter is flat development is made easier, more expressive, and flexible with UI and native performance. In march 2021 flutter announce Flutter 2 which upgrades flutter to build release applications for the web, and the desktop is in beta state.
Some other libraries and frameworks are Semantic-UI, Foundation, Materialize, Backbone.js, Ember.js, etc.

2. Back End Development

The backend is the server side of the website. It manages data and ensures everything on the frontend works properly. Users don’t see or interact directly with the backend; it’s the behind-the-scenes functionality. The parts and characteristics developed by backend designers are indirectly accessed by users through a front-end application. Activities, like writing APIs, creating libraries, and working with system components without user interfaces or even systems of scientific programming, are also included in the backend.

Back End Languages

The back-end portion is built by using some languages which are discussed below:

Back-End Frameworks

Express – Express is a Nodejs framework used for backend/server-side development. It is used to build single-page, multi-page, and hybrid web applications. With its help, you can handle multiple different HTTP requests.
Django – Django is a Python web-based framework, following the model-template-views pattern. It is used to build large and complex web applications. Its features include being fast, secure, and scalable.
Ruby on Rails – Ruby on Rails is a server-side framework following the model-view-controller architecture pattern. It provides default structures such as web services, web pages, and databases.
Laravel – Laravel is a web application framework for PHP and is robust. The feature which makes it perfect is reusing the components of different frameworks for creating a web application.
Spring – This server-side framework provides infrastructure support for Java applications. It acts as a support to various frameworks like Hibernate, Struts, EJB, etc. It also has extensions that help in developing Java applications quickly and easily.
Some more back-end programming/scripting languages are C#, Ruby, GO, etc.

Difference between Frontend and Backend

Feature	Frontend	Backend
Definition	It is the part of the website users see and interact with.	The server-side part that processes data and ensures everything works behind the scenes and not visible to users.
Main Languages	HTML, CSS, JavaScript	Java, Python, Ruby, PHP, Node.js
Focus	User interface and experience	Server logic, databases, APIs, and performance of application.
Frameworks	React, Angular, Vue.js, Bootstrap	Django, Express, Ruby on Rails, Spring
Role	Design, layout and responsiveness of UI.	Data processing, server-side logic, security of the applicaion.
Accessibility	Directly accessible to users	Not directly accessible; interacts through frontend.
Objective	Looks and feels of the application	Functionality, security, and performance
Tools	Browsers, frontend libraries	Servers, databases, backend frameworks
Examples	Menus, buttons, forms, visuals	User authentication, database interactions
Testing	User experience, layout, responsiveness	Server-side testing, API endpoints, logic

Conclusion

Understanding both frontend and backend development is crucial for creating effective and efficient websites. Frontend development focuses on the user experience, while backend development ensures the site’s functionality and performance. Both are essential for a well-rounded web development process.

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