What are cookies in the context of web browsing?

Cookies, in the context of web browsing, refer to small pieces of data stored on a user's computer by the web browser while visiting a website. They serve various purposes, such as remembering user preferences, keeping users logged in, tracking browsing sessions, and collecting analytics data for website owners. By storing these small amounts of information, cookies help create a more personalized and efficient online experience.

For instance, when a user logs into a website, cookies can store session information, enabling the user to remain logged in during their visit and even on future visits. This vital function enhances user convenience and the overall usability of many web applications. Understanding this concept is important because it helps users make informed decisions about their privacy settings and how they manage their online activities.