Jakub Linowski

Feb11
Etsy just completed a cascade experiment with 2 redesigned version of their global search bar. Interestingly the biggest search bar took the lead.
Sep25
Amazon found the courage to run a beautiful a/b test where they put their old three column product page layout against a new two column one.
Aug25
Here is GoodUI Evidence A/B Test 42 which shows a strong increase to sales from Fewer Form Fields - removal of a coupon code field. www.goodui.org/evidence/test042
Jul28
In this video I've identified 10 UI issues with Booking.com's Homepage, based on some of the goodui.org ideas. http://courses.goodui.org/courses/betterui Watch the second video where I actually redesign this screen (and…
Jul08
Your dose of experimental & data inspired UI patterns for higher conversions & ease of use. The better ones will make it into GoodUI FASTFORWARD -
Jan11
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Jun25
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Apr14

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