http://www.abtests.com/ http://www.abtests.com/ Results like these are highly context dependent, so don't expect that if you make the same change you'll necess

http://www.abtests.com/ http://www.abtests.com/ Results like these are highly context dependent, so don't expect that if you make the same change you'll necessarily see the same result. But seeing specific examples is great for coming up with test ideas.