The phrase "advertisements based on a" is correct and usable in written English.
You can use it when discussing the foundation or criteria upon which advertisements are created or targeted.
Example: "The company launched advertisements based on a thorough analysis of consumer behavior."
Alternatives: "ads derived from a" or "promotions grounded in a".
The advertisement, based on a complex chain reaction of moving parts from the Accord itself, was approved and given the working title "Cog".
Cookies are ubiquitous across the Internet and are used to deliver targeted advertisements based on which Web sites a user has visited.
As well as providing information about how personal data is used, the policy contains information on the Guardian's use of cookies and online behavioural advertising, a method of delivering advertisements based on the type of content that is being viewed.
While you're tweaking your iAds, you might also shut off location-based iAds, or advertisements based on your current location.
Web users should be able to tell advertising networks not to show them targeted advertisements based on their browsing activities — and those companies should comply.
Mr. Armstrong also challenged the idea that it was effective to show people advertisements based on what they searched for hours or days earlier: "Does a user want to see an ad on cars when they are planning their weekend vacation, or do they want to see an ad related to what they are looking at?" Indeed, some argue that behavioral targeting may be more trouble than it is worth.
In another example, an advertiser could see real-time clickstream data and possibly change advertisements based on popularity on certain websites.
Cookies allow sites to record each page a user sees and to show each user different advertisements based on information in their files.
Google displays advertisements based on previous websites viewed, as well as known interests and demographic details associated with a specific browser.
