Macromill, Inc. has been certified by Google as a third-party measurement partner for YouTube ads. The certification makes it possible for Macromill to measure advertising effectiveness based on event logs without relying on digital identifiers including third-party cookies or mobile advertising IDs, across all devices, including connected TVs, smartphones, computers, and tablets. Now, Macromill is able to analyze advertising effectiveness for YouTube ads and support advertisers' media planning optimization.