 
  What is Google tag gateway for advertisers?
            Google tag gateway for advertisers lets you deploy a Google tag using your own first-party infrastructure, hosted on your website's domain. You can set up using your existing Content Delivery Network (CDN), load balancer, or web server.
          
        
        
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  Drive conversion uplift
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  Minimize 3rd party interactions
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  Privacy by default
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  Automatic setup
Documentation
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  Set up with a CDNYou can set up Google tag gateway for advertisers with a CDN of your choice.
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  Set up with Server-side taggingLearn how to reap the benefits first-party measurement with Google tag gateway for advertisers and server-side tagging. We recommend you complete both steps for the most durable tagging setup.