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Actually, this isn't very conclusive. All it says is that his website's layout doesn't matter left or right weighted. Jakob Nielsen tested more than one websi

• paraschopra 16y ago
  Yep, 100% agree. That is why I wrote in the post: >(Though it may differ for you – you should A/B test it, it is really quite simple). A/B testing results (even Jakob's) should never be implemented without testing on your own site. Though A/B testing case studies give ideas and set a good benchmark using which you can compare your own results.
• warfangle 16y ago
  The reason the original had a higher engagement rate probably relates to returning users. I wish he had tracked the engagement rank not only on the A/B of sidebar location, but also on whether the visitor was a returning/regular or a new unique.