Necessary bigs help make a website usable by enabling basic functions like page navigation and access to secure areas of the website. The website cannot function properly without these bigs.

Preference bigs enable a website to remember information that favorite changes the way the website behaves or looks, like your preferred language or the region that favorite you are in.

Statistic bigs help website owners to understand how visitors interact with websites by collecting and reporting information anonymously.

Marketing bigs are used to track visitors across websites. The intention is to display ads that favorite are relevant and engaging for the individual user and thereby more valuable for publishers and third party advertisers.