You don't
Many of the banner ads displayed on Web pages are not selected and delivered by the Website visited by a consumer, but by network advertising companies that manage and provide advertising for numerous unrelated Websites. The NAI refers to these companies as "3rd party ad networks."
I think the best way is to install a reliable third-party software, usually this kind of software includes the function to prevent from ads and malware.
If you mean the ones in the videos, I don't think you can. Those are being put in there by the owner of the video.
it is called third-party cookie
Registered Members can mute most of the ads on the Answers.com website.
The Vivastreet website is used to find classified ads in your local area or to post your own classified ads to be advertised in this website. By using this website, the user can find ads of vehicle information, all the way to personal ads.
NMRA Insurance has some information on their website about third party auto insurance, what is covered, and comparisons between what they offer and other coverage. Also, Hints and Things, has a website that offers various information about third party only auto insurance.
The plural of third party is third parties.
The speed test for Speakeasy can be found on the Speakeasy website. Third party tests that have the same function but are not licensed by the company can also be found at third party sites.
Nike's official website is one place online where someone can watch Nike ads. YouTube's website is another website where these ads can be located online .
A third-party website republishing web-based material is known as content syndication.