The phrase "advertisements on which" is correct and usable in written English.
It can be used when referring to specific advertisements that serve as a basis for further discussion or analysis.
Example: "The advertisements on which we based our marketing strategy were particularly effective in reaching our target audience."
Alternatives: "ads that" or "advertisements that".
The metropolitan papers are suffering because the classified advertisements on which they rely have collapsed under pressure from free listings websites such as Craigslist.
In other words, viewers may find it a genuine relief from the earnest biographical and issue advertisements on which the parties and major candidates have been spending tens of millions of dollars all summer.
Of the thousands of television and radio advertisements on which Mr. Schwartz worked, none is as well known, or as controversial, as the so-called "daisy ad," made for Lyndon B. Johnson's presidential campaign.
"It's not about chasing headlines," say the television and billboard advertisements on which Roger Kahn has spent hundreds of thousands of dollars, and around the suburbs and farms of northwest Georgia there is nothing cryptic about the meaning of his campaign slogan.
Advertisers are collecting heaps of information about you in the hopes of presenting you with more targeted advertisements: advertisements on which you'll want to click.
Cookies are ubiquitous across the Internet and are used to deliver targeted advertisements based on which Web sites a user has visited.
They announced earlier this week that they would suspend buying advertisements on Facebook, which they acknowledged would have little economic impact on the company.
They announced this week that they would suspend buying advertisements on Facebook, which they acknowledged was intended to send a message and would have little economic effect on the company.
They announced earlier this week that they would suspend buying advertisements on Facebook, which they acknowledged was meant to send a message and would have little economic impact on the company.
This year, they found another promising place to show us advertisements: our smartphones, on which many of us — employed or not, rich or broke — are reliably spending more time than ever.
This year, they found another promising place to show us advertisements: our smartphones, on which many of us employed or not, rich or broke are reliably spending more time than ever.
