Microsoft Clarity is the more common of the two in our index: it runs on 13,756 websites against 1,634 for Pinterest Conversion Tag, and 690 sites use both. Counts come from real scans of each site's home page, not vendor claims, and cover the sites in TechLookup's index rather than the whole web.
Microsoft's Clarity is a analytics tool which provides website usage statistics, session recording, and heatmaps.
Pinterest Conversion Tag allows you to track actions people take on your website after viewing your Promoted Pin.
Within the analytics sites we have indexed, Microsoft Clarity holds 14% and Pinterest Conversion Tag 1.6%.
690 sites run both Microsoft Clarity and Pinterest Conversion Tag. That is 42% of the sites using Pinterest Conversion Tag, the smaller of the two.
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.