17.08.2015 Views

The Bot Baseline Fraud in Digital Advertising

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BOT SUPPLIERS ARE WATCHING YOU<strong>Bot</strong> traffickers take careful measurements of traffic to maximize moneteziation of their botnets and bot sites. White Ops comparedthe prevalence of third-party trackers, such as tags, pixels, and beacons, on the worst bot-traffic sites to how often thosetrackers appeared on Alexa’s top 50 sites that serve ads.<strong>The</strong> worst bot traffic sites use four times as many trackers<strong>Bot</strong> SiteLegitimate, Popular Site0 10 20 3040AVERAGE NUMBER OF THIRD-PARTY TRACKERSFigure 13: <strong>Bot</strong> Sites Measure Traffic to Increase MonetizationTracker measurements were provided by Ghostery.39

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