A content analysis of metrics on online child sexual exploitation and abuse used by online content-sharing services.

Background: A critical step in improving the response to and monitoring of online child sexual exploitation and abuse (OCSEA) is the need to standardize the data that are collected, stored, and analyzed that effectively measure change in the frequency, nature and risk of OCSEA over time.

Objective: The objective of the content analysis was to investigate the metrics used by online content-sharing platforms in their efforts to combat OCSEA.

Methods: A content analysis was undertaken on 19 online content-sharing services' transparency reports on their metrics related to OCSEA.