There was even discussion of whether the traffic could be detected and an infection warning displayed to the presumably oblivious user. Nobody was able to suggest a reason behind these attacks, but the source was generally assumed to be a botnet composed of infected Windows machines due to the OS and browser metrics. At least one webmaster shut a site down as it was unusable as an ad platform with the inflated traffic. All removed Adsense from the pages that were seeing the traffic blast due to plummeting click metrics. While nobody reported DDOS-levels that would take a site down, the increase in bandwidth and poor engagement metrics were worrisome to webmasters. These “visitors” were fully recorded by Google Analytics.Ī discussion I started at WebmasterWorld, Logs Show Surge, but Not Human? (featured on the site’s home page as “Site Logs Show Traffic Surge: Human or Zombie?”), revealed that other webmasters were also seeing these mysterious traffic surges. All were Windows users of varying vintages and all the browsers were Internet Explorer, from version 6 to 9. The IP addresses were diverse and typical of consumers. The odd thing was that the traffic looked kind of human, except for a high bounce rate an no actions on the site. A few weeks ago, a site I work with began seeing a big rise in traffic – from a baseline of 10K visits per day to spikes of as much as 40K.
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