Traffic from a VKontakte ad network has ended up in the report “Traffic source sites”. What needs to be done so that ad traffic ends up in the “Ad systems” report? November 27, 2019November 27, 2019 by Answers Certification You must specify the Yandex.Metrica counter code number in the VKontakte ad campaign settings. You must change the counter code and reinstall the counter on the site. You must add UTM or OpenStat tags to the ad URL.