Anyone working in web development and with websites will eventually come across the terms “frontend” and “backend.” But what actually distinguishes the two? What are the differences? And what do frontend developers and backend developers actually do?
In this article, we untangle the terminology and explain what it’s all about — from front(end) to back(end)!
In this Article
Web development with WEVENTURE Performance
What is a frontend?
The frontend can be described as the graphical user interface of a website or application. This includes elements such as layout, design, navigation structure, and UX — the overall user experience. The frontend is usually the part that users can see. That’s why many people use the terms web design and frontend work interchangeably — and they’re not entirely wrong.
Frontend developers focus on the user interface of a site in their work. Which fonts and colors are used? How is the menu structured? What do the buttons look like? How is the overall layout of the page designed? Successful frontend work is a fusion of design and programming. That’s because frontend development also involves building interfaces — using markup and styling languages such as HTML and CSS, as well as a programming language like JavaScript.
Examples of frontend
- Websites (HTML, CSS, JavaScript), e.g. this blog article
- Web apps (well-known frameworks: React, Vue.js)
- Apps (well-known frameworks: React Native, Flutter)
What is a backend?
As the name suggests, the backend is the “behind-the-scenes” part of a website or application and refers to the data access layer. In most cases, the backend is not visible to users and is therefore more abstract. You can think of the backend as the administrative part, consisting of the application, server, and database.
Backend developers focus, among other things, on the smooth transfer of data between an API (application programming interface) and the database.
Examples of backend
- Programming languages: Java, Ruby, PHP, Python
- Frameworks: Quarkus / Spring, Laravel, Django
Can backend and frontend exist independently of each other?
The graphical interface on the front, the data access layer in the back — it sounds like backend and frontend always go hand in hand. So can they exist without each other? Yes, they can!
A frontend without a backend can be, for example, a website that is not built with a content management system like WordPress. If it’s programmed using HTML, CSS, and JavaScript, the frontend can function entirely on its own. And the other way around?
A backend without a frontend could be an API, for example, or include tasks such as regular updates handled via cron jobs.
Website optimization with WEVENTURE
Conclusion: Frontend vs. Backend
What is the difference between frontend and backend? In summary:
Key takeaway 1:
The frontend is what users see.
Key takeaway 2:
The backend is the work happening in the background.
Key takeaway 3:
Frontend and backend are two interdependent layers of a system.
Key takeaway 4:
There are applications with a frontend but no backend, and vice versa. However, in most cases, the two work together. The frontend is always the entry point to websites or applications. The backend is usually the part that stores, manages, and provides data.
FAQ about frontend and backend
What is the frontend?
What is the backend?
The backend is the “invisible” part running behind the scenes. This is where processes like data management, business logic, and server configuration take place.
Which technologies belong to the frontend?
Typically HTML, CSS, and JavaScript, as well as frameworks like React, Angular, or Vue.
Which technologies belong to the backend?
Examples include databases (e.g., MySQL, MongoDB) and programming languages such as PHP, Python, Java, or Node.js.
How do frontend and backend work together?
The frontend sends requests (for example, via a form) to the backend. The backend processes the data and sends responses back, which are then displayed in the frontend.
