How many companies use Google Tag Manager vs HTTP/3?

11,515 companies use Google Tag Manager and 62,220 companies use HTTP/3 in our database. HTTP/3 is more widely adopted with 5.4x more companies than Google Tag Manager.

Can I get a list of companies using both Google Tag Manager and HTTP/3?

Yes. AgentData tracks companies using both tools. Subscribe to access the full list with emails, tech stacks, and contacts via CSV or API.

Google Tag Manager vs HTTP/3

HTTP/3 is used by 62,220companies — 5.4x more than Google Tag Manager (11,515).

11,515 use Google Tag Manager62,220 use HTTP/3

Side-by-side comparison

	Google Tag Manager	HTTP/3
Companies	11,515	62,220
Category	Other	Miscellaneous

Company adoption

Top companies using HTTP/3

Robert Muñoztfproductops.typeform.com

Haymarketshop.haymarket.com

Campaigncampaign.haymarketrecruitment.com

Department of Conservationdoc.govt.nz

Pagina foutmeldingpublicaties.brabant.nl

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73,735 companies with emails, tech stacks, and contacts

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API access

GET /api/v1/tech?name=google-tag-manager

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