Command + F then start typing what you're looking for on the page. Command + G will proceed to the next instance of your search phrase on the page.
This is really the main reason firefox is my default browser.
There's the "logout" link on this page, I just start typing l-o-g..., and once it gets highlighted, I can hit return and it'll click the link for me. Or if I need to go to the next word, I can still hit command+G. I don't have to invoke Find either, I can just start typing.
I guess the equivalent in Safari would be to cmd+f, type your word or phrase, press escape, then press enter. A couple extra steps but it does the trick.