I see why you want A/B testing but look at it this way: if you find the answer to your question on the first results page you didn't miss anything. Hence: no ex

I see why you want A/B testing but look at it this way: if you find the answer to your question on the first results page you didn't miss anything. Hence: no explicit A/B needed :] If you do not find the result than !g might be a way out. Not sure how it works exactly, you just prepend or append it to the search. As other comments point out: in FF I usually do Ctrl-K (focus search), End (to unselect text), type !g, Enter