The headline isn't really what this article is about, particularly the disparaging of Optimizely. Might I suggest "The dangers of naive A/B testing" or "Buyer b

The headline isn't really what this article is about, particularly the disparaging of Optimizely. Might I suggest "The dangers of naive A/B testing" or "Buyer beware -- A/B methodologies dissected" or "Don't Blindly Trust A/B Test Results".