Tealium IQ is a universal Javascript library that creates a Universal Data Object (UDO) for all the elements on the page. From there this data is sent to the Data Layer in Tealium and can be sent to all the different vendors (to Convert for example) via the tag.
There are two ways you can integrate Tealium iQ with your website: you can use Tealium’s tag manager or their JavaScript library. This section discusses using Tealium iQ (JS library utag.sync.js) to serve Convert experiences.
It will be completely flicker-free and work correctly. For more insights into how to leverage the utag.sync.js template, please reference implementing synchronous code within TiQ using utag.sync.js.
Instructions of the integration: