For the past three years, brands have leaned on guidelines established by the Media Rating Council to ensure that they buy digital ads that are actually seen on websites and mobile apps. Now, a handful of big-name marketers claim that those requirements are not stringent enough and are pushing back with their own viewability standards that meet stricter criteria.
Demanding More Stringent Measurement, Some Brands Are Using Their Own Viewability Standards
HP and Nestle set their own definitions
