Are there any tools/features within Tealium that would allow us to quantify the performance of each tag that fires on the web pages and/or provide insights that could help optimize the tags to improve site performance?
It would also be helpful if we can map tags to their cookies and optimize the cookies which could potentially help improve performance. Is there a way to do this in Tealium? Any information would be of great help.
Yes its possible to combine all tag requests into a single file (i.e. utag.js) by enabling the option "Bundled tags" to "On"
Go to each and every tag on your website and under Advanced Settings you can find the toggle box to turn on Bundled tags. This feature would combine all the tag templates into the utag.js file and reduce the number of browser requests and improve the Google PageSpeed score