User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.9) Gecko/20071025 Firefox/2.0.0.9 Build Identifier: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.9) Gecko/20071025 Firefox/2.0.0.9 When firefox displays the error message about page load error the button is not focusable with keyboard, at most a piece of text on the page is focused. Reproducible: Always Steps to Reproduce: Try to load a page from a server that is currently down. Actual Results: It is impossible to get to the button with keyboard. Expected Results: The button has focus initially and is focusable. Probable workaround is Apple-R but it might not be the same in all cases.