Inconsistencies in Classification of Online News Articles: A Call for Common Standards in Brand Safety Services

Published: 04 Jan 2026, Last Modified: 22 Jan 2026ICWSM 2026: The 20th International AAAI Conference on Web and Social MediaEveryoneCC BY 4.0
Abstract: This study examines inconsistencies in the brand safety clas- sifications of online news articles by analyzing ratings from three leading brand safety providers, DoubleVerify, Integral Ad Science, and Oracle. We focus on news content because of its central role in public discourse and the significant financial consequences of unsafe classifications in a sector that is al- ready underserved by digital ad spending. By collecting data from 4,352 news articles on 51 domains, our analysis shows that brand safety services often produce conflicting classi- fications, with significant discrepancies between providers. These inconsistencies can have harmful consequences for both advertisers and publishers, leading to misplaced adver- tising spending and revenue losses. This research provides critical insights into the shortcomings of the current brand safety landscape. We argue for a standardized and transpar- ent brand safety system to mitigate the harmful effects o
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