I'm wondering if there exists a keyboard shortcut in Firefox (or other web browsers) that can trigger the jump from a page of a website to the home of the website. The example below may make my question clearer.
Suppose I used the Free Dictionary to check a word, say syzygy, then my firefox is on the page http://www.thefreedictionary.com/syzygy.
Now I would like Firefox to jump to the home http://www.thefreedictionary.com directly without using the mouse. Is it possible? Assume that I cannot go backward because didn't go to the home page before I looked up the word.
A dumb way is use Alt+D to locate the address bar, then backspace to clear the word "syzygy", and then press return. But I would like to know if there is a single keyboard shortcut to do so.