what are the web browser cookies

A cookie, also known as an HTTP cookie, web cookie, or browser cookie, is a small piece of data sent from a website and stored in a user's web browser while the user is browsing that website. Cookies are text files retained on computers by browsers containing various information in regards to a specific website visit. Another way to think of this is that a cookie is a message given to a web browser from a web server that is then sent back to the web server whenever the browser requests a page from it. Cookies are used to identify users, store shopping cart information, and prepare customized web pages that utilize user information. The cookie may be used to remember a username, for example, so that the name will auto-fill on the user’s next visit. Cookies may be disabled, or cookie options customized, due to privacy concerns and the risk of some cookies being used as spyware. It should be noted that because cookies are not executable files, they cannot be considered viruses as they do not have the ability to replicate. Cookies are often indispensable for websites that have huge databases, need logins, have customizable themes, other advanced features. Cookies usually don't contain much information except for the url of the website that created the cookie, the duration of the cookie's abilities and effects, and a random number. Due to the little amount of information a cookie contains, it usually cannot be used to reveal your identity or personally identifying information.However, marketing is becoming increasingly sophisticated and cookies in some cases can be agressively used to create a profile of your surfing habits. There are two types of cookies: session cookies and persistent cookies. Session cookies are created temporarily in your browser's subfolder while you are visiting a website. Once you leave the site, the session cookie is deleted. On the other hand, persistent cookie files remain in your browser's subfolder and are activated again once you visit the website that created that particular cookie. A persistent cookie remains in the browser's subfolder for the duration period set within the cookie's file. Cookies can help a website to arrange content to match your preferred interests more quickly. Most major websites use cookies. Cookies cannot be used by themselves to identify you

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