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Test #136 on Missetam.nl by Marlies Wilms Floet Dec 18, 2017 Desktop Product X.X% Sales

Marlies Wilms Tested Pattern #42: Countdown Timer On Missetam.nl

De Nieuwe Zaak (a Dutch ecommerce agency) tested a countdown timer on an ecommerce site. The variation showed how many hours and minutes were left in order to be eligible for next day delivery. The variation beat the control which did not have this element of urgency.

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Test #134 on Kenhub.com by Niels Hapke Dec 14, 2017 Desktop Product X.X% Sales

Niels Tested Pattern #41: Sticky Call To Action On Kenhub.com

In this beautiful test, the key change was the introduction of a larger call to action linking to a premium / upgrade screen. The call to action was placed on the left sidebar which was floating. This is a great example of providing visibility to important elements by making them persistent.

Total Sample: 29,743 • Statistical Power at 5% MDE: 13.5%

Test #133 on Bing.com by Ronny Kohavi Dec 13, 2017 Desktop Mobile Listing X.X% Revenue

Ronny Tested Pattern #43: Long Titles On Bing.com

In 2012 a Microsoft employee working on Bing had an idea about changing the way the search engine displayed ad headlines. Developing it wouldn’t require much effort—just a few days of an engineer’s time—but it was one of hundreds of ideas proposed, and the program managers deemed it a low priority. So it languished for more than six months, until an engineer, who saw that the cost of writing the code for it would be small, launched a simple online controlled experiment—an A/B test—to assess its impact. Within hours the new headline variation was producing abnormally high revenue, triggering a “too good to be true” alert.

HBR, September–October 2017 Issue, https://hbr.org/2017/09/the-surprising-power-of-online-experiments

Note: This experiment was a solid success and replicated multiple times over a period of months. It worked at Bing and had a profound influence. The only reason why we atributed a 0.25 point (a "Maybe") was because we don't have the exact sample size and conversion data.

Test #131 on Kenhub.com by Niels Hapke Dec 11, 2017 Desktop Home & Landing X.X% Signups