Tealium Learning Center

If the Tealium Universal Tag (utag.js) is loaded on a page, then the utag object will be defined in the global namespace. You can test it like this: (typeof utag !== "undefined") Additionally, script tags loaded by utag.js will have an id attribute to show that they were loaded by utag.js. For example: <script type="text/javascript" async="" charset="utf-8" id="utag_2189" ... View more