FullStory vs Google Tag Manager

Google Tag Manager is used by more websites in our catalog: 499 use FullStory and 262,222 use Google Tag Manager.

FullStory sites have the higher median Ahrefs Domain Rating (FullStory: 43, Google Tag Manager: 36).

Between 2026-06 and 2026-07, FullStory went from 0.07% to 0.06% of all tracked sites, while Google Tag Manager went from 36% to 30%. FullStory is gaining ground faster in our index.

329 websites in our catalog use both FullStory and Google Tag Manager.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.