A solution designed to be used by search enginges is the canonical link element[0] present in the html of the page. I'm not sure how this would work for a brows

A solution designed to be used by search enginges is the canonical link element[0] present in the html of the page. I'm not sure how this would work for a browser extension, as you would have to crawl every submitted site once and save the canonical version. [0] https://en.wikipedia.org/wiki/Canonical_link_element https://en.wikipedia.org/wiki/Canonical_link_element