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Google Tag Manager vs Segment: who uses which

Google Tag Manager is on more sites: 7,780 against 39 for Segment, about 199.5 times as many. Here's how they compare across the websites we've indexed, and where each one does best.

Where each one is used

DomainGoogle Tag ManagerSegment
.com on .com3,31628
.org on .org3801
.jp in Japan3760
.de in Germany2220
.br in Brazil2020
.uk in the UK2010
.pl in Poland1850
.it in Italy1550

24 sites run both at once.

Questions

Which is more popular, Google Tag Manager or Segment?

Google Tag Manager is on more sites: 7,780 against 39 for Segment, about 199.5 times as many, across the sites StackGrep has indexed.

Do sites use Google Tag Manager and Segment together?

24 sites load both. That's often a switch in progress, or two teams picking different tools.

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