Email - HTML vs Plain Text metrics

Status: Idea Submitted

I’d love to be able to see metrics related to the delivery of html vs the plain text version (when enable) of a particular email. I want to know how many of my recipients are blocking the html version of my email and instead receive (and hopefully open) the plain text version.

I’m looking for the same html vs. text metrics. I also would love to learn how/where to find this info.