Google Site Kit vs Google Tag Manager

Google Tag Manager is used by more websites in our catalog: 29,582 use Google Site Kit and 262,222 use Google Tag Manager.

Google Tag Manager sites have the higher median Ahrefs Domain Rating (Google Site Kit: 21, Google Tag Manager: 36).

Between 2026-06 and 2026-07, Google Site Kit went from 3.7% to 3.4% of all tracked sites, while Google Tag Manager went from 36% to 30%. Google Site Kit is gaining ground faster in our index.

11,156 websites in our catalog use both Google Site Kit 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.