![Levels Of Suspicious US Web & Mobile Traffic, Q1 2013 - Q1 2014 [CHART]](https://www.marketingcharts.com/wp/wp-content/uploads/2014/06/SolveMedia-Levels-Suspicious-US-Web-and-Mobile-Activity-Q1-2013-Q1-2014-June2014.png "Chart - Levels Of Suspicious US Web & Mobile Traffic")
Suspicious US web traffic was down from a high of 61% in Q4 to 55% in Q1, which Solve Media attributes to lower ad spending after the holiday season. Meanwhile, levels of suspicious mobile activity remained relatively flat quarter-over-quarter. Compared to Q1 2013, though, level of suspicious web and mobile activity have increased. Separately, the report notes that 36% of traffic on automotive-specific sites acted suspiciously; the auto sector accounted for 12% share of online ad spend last year. Source: Solve Media
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