Referral_url: what page you were on when you saw the advertīecause it records your IP address, Doubleclick can also make a good guess of your country and town/city, too. Userid: the unique ID number the cookie has given your browserĪd_placement_id: the ID of where the advert was seen on the site This tells Doubleclick the time and date you saw an advert. In their privacy policy, Google explains how data is recorded from a generic Doubleclick cookie. What information is Doubleclick tracking? Google also uses Doubleclick across its own sites. Who uses Doubleclick?Īny web publishers can use Doubleclick, as long as they meet the company's terms and conditions. This is a third-party advertising cookie. This helps them build up a better idea of the type of adverts someone might want to see. Targeting in advertising networks: Google runs a service called Adsense, in which lots of different publishers pool the information they get on browsers. This information belongs to the website owner only. For example, if you are on a news website and you visit the sports pages, then adverts for match tickets may be more relevant than makeup. Doubleclick will then judge the type of adverts you might like to see from what you're browsing. Targeting for one website owner: An online publisher can set a Doubleclick cookie to tell them what sections of their sites you are browsing. Online publishers use Doubleclick to display adverts on their websites.ĭoubleclick will let advertisers control how often an ad is shown to a browser, how long it is shown for and how often it will appear. Doubleclick is a business owned by Google that makes it money from online advertisers and publishers.
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