This document summarizes an online media quality survey conducted in Austria in Q4 2015. It found that invalid traffic rates varied between publishers, with an overall rate of 8.2%. Publisher direct sites had a lower invalid rate of 4.2% on average compared to 11.1% for networks and exchanges. Larger, more popular publishers tended to have higher invalid rates due to more bots. Domains with .at had less invalid traffic than .de and .com/.net domains. The report provides examples of domains spoofing traffic to deliver fraudulent ad impressions.