Hi Lee, when the extension detects a frame, the right-click context menu should offer "Copy Framed Page URL" to get the URL of the framed page. Can you send me an example of a frame where the extension grabs the wrong URL? I would like to figure out what went wrong. (You can use the Support site link and submit a new Issue, or the Support email link, both of which are in the left column of the add-on listing page.)

Regarding other options: a plain click should get you a valid URL. When you use a modifier key with the menu items, such as Shift or Ctrl, the extension creates markup for pasting into editors. Those are not valid URLs for the address bar.