This is a Firefox extension for quickly copying the URL to the specific fragment of a web page. It works by highlighting all addressable page fragments in red. When you click on the highlighted area, its URL is copied into system's clipboard.

Firefox: https://addons.mozilla.org/en-US/firefox/addon/fragment/
Chrome: https://chrome.google.com/webstore/detail/fragment/onabdcmognnippccjhcomlaniijgmkie