placeholder.opinionando.it is an ad exchange. That means they work as a middleman between advertisers who buy ad space and publishers who sell ad space. placeholder.opinionando.it has been authorized to sell the ad space on 1 publisher domains. You can view these domains below.
0% of the publishers we track have authorized placeholder.opinionando.it. placeholder.opinionando.it's certificate ID is
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This information is gathered by crawling ads.txt files on millions of websites. Ads.txt is an initiative developed by Google, the IAB and others to fight ad fraud.