Google uses the DoubleClick cookie on publisher sites displaying AdSense ads on the content network.
What is a DoubleClick cookie?
Cookies are small text files that are stored on the user’s browser. Most cookies contain a unique identifier called a cookie ID. It is a set of characters that websites and servers associate with the browser where a cookie is stored. This allows websites and servers to distinguish your browser from other browsers that store different cookies, and to recognize each browser with its unique cookie ID.
How do we use DoubleClick cookies?
The cookie identifier in each DoubleClick cookie is essential to these applications. For example, DoubleClick uses cookie identifiers to keep a record of the specific ads shown on each browser. When it is time to display an advertisement on a browser, DoubleClick may use the browser’s cookie identifier to check which DoubleClick advertisements have previously been shown on that particular browser. This is how DoubleClick avoids displaying advertisements that the user has seen before. In the same way, these cookie identifiers enable DoubleClick to record conversions related to advertising requests, for example when a user views an advertisement from DoubleClick and later uses the same browser to visit the advertiser’s website and make a purchase.
DoubleClick cookies do not contain personally identifiable information. Sometimes a cookie contains an additional identifier that looks similar to the ID of a cookie. This identifier is used to identify which advertising campaign has been shown to the user before, but DoubleClick does not store any other data in the cookie, and none of the data stored is personally identifiable information.
When does DoubleClick send cookies to a browser?
DoubleClick sends a cookie to your browser after any impression, click, or other activity that leads to a connection to the DoubleClick server. If the browser accepts the cookie, it is stored on the browser.
DoubleClick often sends a cookie to the browser when the user visits a page displaying DoubleClick advertisements. Pages displaying DoubleClick ads contain ad tags that direct browsers to request ad content from the DoubleClick ad server. When the server displays the ad content, it also sends a cookie. However, this does not require the page to display DoubleClick ads, it just needs to include DoubleClick ad tags that may load a click-tracker or pixel tags to track impressions instead.
Third-party and original cookies
Cookies are classified as third-party or native cookies based on whether or not they are associated with the domain of the website that the user is visiting. Note that this does not change the name or content of the actual cookie. The difference between a third-party cookie and an original-party cookie is only a matter of which domain the browser is directed to. The exact same type of cookie may be sent in either case.
Third-party cookies are linked to a domain that is separate from the website the user is visiting. DoubleClick cookies are associated with the domain doubleclick.net, which is the DoubleClick domain. When a browser visits a website displaying DoubleClick ads, the browser is not on a website within DoubleClick’s domain. This makes the DoubleClick server a third party, so the cookies that the server sends in this context are called third-party cookies.
Original third-party cookies
Third-party cookies are associated with the domain of the website visited by the user. Any action that points the browser to the DoubleClick domain causes the DoubleClick server to be the originating party. The cookies sent by the DoubleClick server are called original-party cookies in this context.
When a user visits a website displaying a DoubleClick advertisement, the user’s browser is directed to the original publisher’s website. The DoubleClick servers are not in the publisher’s domain, so, in this context, the DoubleClick server is a third party. This is why DoubleClick Server requires a click to become the originator. Clicking on a DoubleClick ad directs the user’s browser to a URL within DoubleClick’s domain. Although the URL is in DoubleClick’s domain, it also includes code that redirects the browser to the advertiser’s website (after the DoubleClick server sends the cookie). This way, the user ultimately gets to the advertiser’s website, not to the DoubleClick domain.
Please note that some DoubleClick products are used by publishers, not advertisers. These products may send a cookie to the publisher’s domain, in addition to or instead of sending cookies at the doubleclick.net domain.
In case of deactivation using Administrator Advertising preferencesDisabled “OPT_OUT” is written over the unique DoubleClick cookie identifier of the user’s browser. Since there is no longer a unique cookie identifier, it is not possible to associate the disabled cookie with a specific browser.
But if you do not disable the display of third-party ads, then you allow the use of third-party vendor cookies or other ad networks to display ads on the Photoshop-Library.com website.
Learn more about the advertising company, Google Adsense
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- To understand what data Google collects and uses about you, click here here.
- To find out how Google is making the Internet safer for everyone, click here here.
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