Global, Bauer Media and WPP Media back IAB Tech Lab's podcast measurement guidelines

August 16, 2026 · thedrum.com

Version 2.2 of the IAB Tech Lab's Podcast Measurement Guidelines now has Global's hosting and distribution platform, Captivate, certified as fully compliant, according to Global Studios commercial director Sarah Ray. The Drum interviewed Ray alongside Bauer Media's Nathaniel Francis, digital revenue operations director, and WPP Media's Adam Palfrey, associate director of investment, about why the industry has converged on shared measurement standards after a period of fragmented, publisher-specific metrics. Francis said the earlier absence of consistently adopted measurement frameworks left data with limited use, since each media owner applied its own methodology and podcasts were hard to weigh against each other. Palfrey said the guidelines give the market 'one agreed answer to the most basic question of all: what actually makes a download valid,' with a consistent threshold, invalid traffic removed through bot and pre-load filtering and ongoing auditing, and compliance that is independently certified and listed in public.

Campaigns weighed against publishers that follow the same download definition and invalid-traffic filtering become easier to compare on reach, delivery and ad completion, with the numbers resting on one agreed methodology shared across sellers. Palfrey said that consistency is what lets a client stand behind a reported number, and it matters most in a fast-growing channel where regulatory oversight is still limited. Ray said standardized metrics let advertisers weigh inventory and ad delivery across partners on a like-for-like basis when deciding how to split investment, and Francis said aligning with the guidelines signals to agencies and advertisers that podcast delivery can be credibly measured and reported.