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Google presents method to circumvent automatic blocking of tag manager
This document is for users who want to deploy the Google tag in first-party mode. We recommend first-party mode for the most durable tag configuration.
If you have a question or issue with your setup, reach out to us at 1p-mode-beta-feedback@googlegroup.com.First-party mode lets you to deploy your Google tag using your own first-party infrastructure, hosted on your website's domain (e.g., example.com). You can set it up using your existing Content Delivery Network (CDN), load balancer, or web server, to enable first-party mode. You need to set up a new backend that looks up the approximate geographic location of the site visitor and create routing rules in your existing External Application Load Balancer.
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