One thing to be aware of is that Clarity has not compressed/optimized any of the images used in their widget, so it will slow down your page speed. Below is page speed report from google:

Optimize the following images to reduce their size by 17.4KiB (55% reduction).
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Minifying https://clarity.fm/…rce=blog&display-rate=null&js_auth=false could save 1KiB (3% reduction) after compression.

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Compressing https://static.wepay.com/min/js/tokenization.v2.js could save 7.8KiB (68% reduction).