Cookies, which are more properly called HTTP cookies, are small bits of data that are stored as text files on a browser. Websites make use of these small bits of data in order to keep track of users as well as enable user-specific features.
Cookies enable core website functionality, such as e-commerce shopping carts. In addition, they are also used for other purposes, such as tracking user activity. Cookies are a necessary part of the way the web works however they are a source of privacy concerns and security risks.
- Email address, and
This data is then packaged into a cookie and sent to the Web browser that you’re using, for example Google, Bing or Yahoo. This then stores the data for later use. The following time you go to the same website, your browser will direct the cookie to the web server. The communication is sent back, to the server, each time that the browser asks for a page from the server.
A web server has no memory. This means that the hosted website which you are visiting transfers a cookie file of the browser on your computer’s hard disk. This is so that the website can remember who you are as well as your preferences. This message exchange permits the Web server to use this data to present you with customised web pages.