It can be difficult for the end user to understand the difference between a website and a web application. He just enters the URL in the browser's address bar (follows the link) - and boom! - Here is the result. And for the user, it is important just to get what they wanted. If this was done, the user doesn't care about anything else. But if you are a developer, you are the one who creates these products for users. So you should be well versed in how they differ from each other. But do you catch the difference between websites and web applications? In general, there are different opinions on this among developers, but in this article we will try to highlight the key differences that help me navigate myself.