Metric Glossary

Term	Definition
GIVT Rate	General Invalid Traffic (GIVT) is traffic that can be easily identified as invalid through routine, list and parameter-based filtration techniques.
SIVT Rate	Sophisticated Invalid Traffic (SIVT) is inclusive of complex, advanced fraud types and cannot be easily identified through list or parameter-based filtration. Instead, it takes advanced analytics, multipoint corroboration, and human intervention to uncover and suppress.
DoubleVerify Eligible impression	Total number of impressions that were eligible to measure viewability. An impression is eligible if (a) the ad's creative has an Active View enabled tag, and (b) the impression is counted with a downloaded pingback.
DoubleVerify Viewable Impression	A viewable impression is a standard measure of ad viewability defined by the International Advertising Bureau (IAB) to be an ad which appears at least 50% on screen for more than one second.
DoubleVerify Viewability Rate	Percentage of DoubleVerify Viewable Impressions divided by DoubleVerify Measured Impressions.
MFI Credibility Score	Percentage of impressions that passed all fraudulent location signal test checkpoints including but not limited to centroid filtering, N-Gram lat/lon pattern-matching, and cross-referencing MobileFuse’s proprietary historical offender database.
VAST Errors	Covers a wide range of error codes including but not limited to File not Found, Creative being returned in a different duration than specified, or Timeout of MediaFile URL.
VPAID Errors	Covers a wide range of error codes including but not limited to General VPAID error or Undefined VAST 2 error.
MRAID Errors	Covers a wide range of error codes including but not limited to MRAID Object does not exist, Creative is in Interstitial format but ad placement is not, Creative used Mobile Web adapter in MRAID environment.