[wgj]

If you're using Chrome, there's Scroll To Text Fragment, and it works on any page regardless of its markup.

https://chromestatus.com/feature/4733392803332096

Doing this manually is tedious, but a browser extension would make it super easy.

[jeremyjacob]

The right-click context menu on selected text has an option to copy the url with that text fragment highlighted (and scrolled to).