eMarketer has reported that more than 77.4% of websites use at least one third-party ad tracker. The company has cited Cliqz and Ghostery survey that covered 144 million webpages.

The report further states that 16% sites are using 10 or more ad trackers. More than 46.4% of webpages use Google Analytics service and 21% webpages use Facebook Connect to track ads.

Ad Blocking on Rise

Apart from the ad tacking, eMarketer estimates that more than 30% of US internet users will use an ad blocker in 2018, up from 15.7% in 2014.

Ad Trackers Are on More than 75% of Websites

eMarketer

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