The Tealium Multi-CDN infrastructure (mCDN) is designed to deliver files to our customers' websites as quickly and reliably as possible. The mCDN leverages multiple content delivery networks (CDNs) in real-time to determine the fastest delivery node in the respective geographic region.
In this article:
The mCDN is responsible for the delivery of all files from the tags.tiqcdn.com domain. This includes the main iQ Tag Management loader file, utag.js, all tag loader files (utag.#.js), and any hosted data layer files.