User Agent Info power-up gives you an ability to add header to your server hits, and you can then access that information on your server container and use it for your reporting.
X-Device-Mobile, X-Device-Os, X-Device-Browser, X-Device-Browser-Version, X-Device-Engine, X-Device-Engine-Version header is added in event data inside your server Google Tag Manager.
In this article, I will describe how to set up a custom subdomain within your Google Tag Manager server container. The main advantage of a custom subdomain inside the Google Tag Manager Server container is that it helps to bypass Intelligent Tracking Preventions, AdBlockers and increases cookie lifetime for users browsing in Safari. Pixels will be loaded from your subdomain and run as the first-party.
Learn about how you can use the User Agent Info and GEO Headers power-ups for improved server-side tagging.
Learn how to optimize user data sent to Meta for better Match QualityI - from Stape experts
