Why is some of my traffic being classified as invalid impressions?

Help Center >> Statistics / Data Reporting >> Why is some of my traffic being classified as invalid impressions?

Invalid impressions are impressions that have been termed as SPAM by SHIELD.

SHIELD is Affinity’s proprietary state-of-the-art, real-time traffic quality and brand safety technology that:

  • Prevents click and impression fraud by identifying and blocking fraudulent traffic sources like botnets, spiders, crawlers, known offenders, volume & spike anomalies and many more
  • Prevents policy violations like blocking impressions that are called from malicious and bad content pages
  • Provide custom brand protection and brand safety

Click here to know more about SHIELD.
http://www.affinity.com/advertisers/performance/traffic-quality.php