Same page displays ads from different advertising networks each time?
When I visit some website, it displays ads from zedo.com, and redirect me to zedo.com if I click the ad. Next time I visit the page, it displays ads from doubleclick.net and redirect me to doubleclick.net too. (Sometimes, it's adserver.adtechus.com instead of doubleclick)
When I check out the source code of the page, there are no zedo or doubleclick. I think they may be in some javascript files.
My question here is WHO serve ads for the website? zedo or doubleclick? How to advertise on the site?
Thanks a lot!
Bryan
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Rich Miller -
Thanks
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