The tough part of Hypothes.is is having a means of being aware of comments on your website. I’ve been hoping they’d support webmention or have some additional UI for website owners.
I am aware that Jon Udell has built some separate UI that may help out people trying this as a commenting system. Here’s a URL to it with an illustrative example: https://jonudell.info/h/facet/?wildcard_uri=https%3A%2F%2Fblog.cjeller.site%2F*&max=100