If enough browsers display similar patterns, they become part of a "segment" labelled something like "football lovers", "fine food lovers", "current affairs enthusiasts", etc – these become labels that Doubleclick lets advertisers choose from when they select the types of people they want to see their ads. Over time, guesses can be made about the interests of the person using that browser – whether they like football or ballet, for example, or if they visit Marks & Spencers more than Tesco. If the cookie is set on an website that is part of AdSense and then you browse another site using AdSense, the the same information will be recorded and pooled. It cannot find out any personal information about you. On its own, this data can tell Doubleclick how many times you have seen an ad and, for example, whether you need to see the UK or US version. 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. I might as well make the ads I see more useful for me.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. I’m glad to see that Google has introduced this. Then tailor your ads based on categories and demographic. Click “Ads on the Web” on the left side of the page. You can control the categories of ads displayed on websites you visit too. But I’d rather see ads that could be helpful to me. You can do this if you’re a stickler for privacy. This means that ads will still be relevant to the topic on the site, but won’t be personalized to your tastes. You can also opt out of seeing personalized ads altogether. Then click Unblock next to the advertiser you want to see ads from. If you blocked an advertiser by mistake or want to see ads from the company again, click Blocked advertisers on the right side of the page. Under “Why These Ads” click the “Block this Advertiser” link. You’re brought to the page to change your Google Ads preferences. A small pop up message comes up, click Ads Preferences.
Log in to your Google Account and you click the small blue circled “i” icon next to the ad. Now, let’s say you don’t want to see ads from a certain advertiser anymore. There’s the ones you see when using Google search and the ads displayed in Gmail. There are two types of ads that you can personalize.
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