5 Tests By Katharina Lay

  Head of Productmanagement Aboalarm & Volders     Website

Tests

Test #619 on Aboalarm.de by Katharina LayKatharina Lay Nov 23, 2025 Desktop Mobile X.X% Revenue

Katharina Tested Pattern #15: Bulleted Reassurances On Aboalarm.de

Pattern #15: Bulleted Reassurances - Variant A
Pattern #15: Bulleted Reassurances - Variant B

In this experiment, reassuring copy was added to 2 of 3 pricing plans of a contract cancellation service. The copy was translated as "Cancellation guarantee. Contract cost coverage and legal support included!” Impact on overall revenue was measured.

Test #561 on Aboalarm.de by Katharina LayKatharina Lay Nov 07, 2024 Desktop X.X% Sales

Katharina Tested Pattern #40: Blurred Product Background On Aboalarm.de

Pattern #40: Blurred Product Background - Variant A
Pattern #40: Blurred Product Background - Variant B

In this experiment, as a multi-step sign up funnel launched as a modal, there was a different treatment of the background. In the A version the background was a flat color, whereas in the B version the background used a transparent opacity to show through the landing page underneath. Impact on sign ups was measured.

Total Sample: 135,618 • Statistical Power at 5% MDE: 98.7%

Test #547 on Aboalarm.de by Katharina LayKatharina Lay Aug 12, 2024 Mobile X.X% Sales

Katharina Tested Pattern #6: Customer Star Ratings On Aboalarm.de

Pattern #6: Customer Star Ratings - Variant A
Pattern #6: Customer Star Ratings - Variant B

In this 4 step signup funnel experiment, social proof and customer reviews were appended at the bottom of the screen. Impact on conversions was measured.

Total Sample: 102,221 • Statistical Power at 5% MDE: 94.9%

Test #531 on Aboalarm.de by Katharina LayKatharina Lay May 03, 2024 Desktop Mobile X.X% Sales

Katharina Tested Pattern #128: Standard Or Superscript Price Format On Aboalarm.de

Pattern #128: Standard Or Superscript Price Format - Variant A
Pattern #128: Standard Or Superscript Price Format - Variant B

In this experiment, the font of the euro cents amount was made smaller. Additional copy was also added underneath the price reinforcing that tax was already included in the price. Impact on transactions was measured.

Total Sample: 175,677 • Statistical Power at 5% MDE: 99.3%

Test #519 on Volders.de by Katharina LayKatharina Lay Feb 23, 2024 Desktop Mobile X.X% Sales

Katharina Tested Pattern #134: Optional or Confident Recommendation On Volders.de

Pattern #134: Optional or Confident Recommendation - Variant A
Pattern #134: Optional or Confident Recommendation - Variant B

In this experiment, copy around an upsell was changed from using "optional" to "our recommendation for you". The idea was to recommend two upsells with more confidence. Impact on the two upsells (secure, and express) as well as overall transactions was measured.

Total Sample: 58,597 • Statistical Power at 5% MDE: 99.9%