So because you don't have a specific use for it means no one does?
Since that page doesn't seem to be loading, here is a gist with the relevant bookmarklet. You click it once to turn on Fount, click a piece of text on the page, and it will show you in the top right the font-family,…
Here is one that works for text on a page for webfonts, I find myself using it all the time: https://fount.artequalswork.com/
So because you don't have a specific use for it means no one does?
Since that page doesn't seem to be loading, here is a gist with the relevant bookmarklet. You click it once to turn on Fount, click a piece of text on the page, and it will show you in the top right the font-family,…
Here is one that works for text on a page for webfonts, I find myself using it all the time: https://fount.artequalswork.com/