Experiment Estimation Study: How Well Can 1,391 Guesses Predict A/B Test Effects? Tuesday, May 5, 2026 by Jakub with 0 comments
40 LinkedIn Poll Results On Experimentation Wednesday, December 10, 2025 by Jakub with 0 comments Optimization
Do Some Sources Of Experiment Ideas Lead To Higher Win Rates Than Others? Tuesday, February 20, 2024 by Jakub with 0 comments Optimization
Do Adds-To-Cart Or Progression Metrics Correlate With Sales In A/B Tests? Thursday, November 30, 2023 by Jakub with 0 comments Optimization
Beyond Opinions About Opinions: What 70,149 Guesses Tell Us About Predicting A/B Tests Monday, November 7, 2022 by Jakub with 0 comments Optimization
When To Stop Your A/B Test - The Messy Reality Version Friday, May 14, 2021 by Jakub with 0 comments Optimization
Why Did Thomasnet Reject A Registration Wall A/B Test With A Record +1135% To Signups? Friday, February 19, 2021 by Jakub with 1 comments Results
What's New In Catalyst 1.2 - Change Types & Partial Concepts Wednesday, August 5, 2020 by Jakub with 0 comments
Towards Better Experiment Prioritization: With Less Guesswork And More Honesty Monday, December 9, 2019 by Jakub with 1 comments Optimization
How To Detect And Learn From What The Big Companies Are A/B Testing Thursday, October 10, 2019 by Jakub with 0 comments
BetterUI: What Would You Improve On Booking.com’s Search? Tuesday, August 27, 2019 by Jakub with 3 comments Questions
12 Landing Page Patterns For 42% More Leads On KensingtonTours.com Monday, August 19, 2019 by Jakub with 0 comments Results
6 Signup Form UI Changes With +17% More Signups For Thomasnet.com Friday, July 26, 2019 by Jakub with 0 comments Results
An A/B Test In Slow Motion: Before Your Experiment Becomes Significant Monday, March 11, 2019 by Jakub with 5 comments Optimization
The Failed Netflix Homepage Redesign Experiment That Nobody Even Noticed Thursday, February 7, 2019 by Jakub with 22 comments
Can Winning A/B Tests Be Predicted With Past Results? Wednesday, January 16, 2019 by Jakub with 5 comments Questions
13 Course Landing Page UI Changes With +49% Enrollments For Designlab Wednesday, November 14, 2018 by Jakub with 0 comments Results
4 Checkout UI Changes For A Highly Significant +1% Sales On Menufy.com Tuesday, October 30, 2018 by Jakub with 0 comments Results
Reverse Engineering Airbnb.com's Property Page Optimizations Wednesday, September 26, 2018 by Jakub with 0 comments
Is It Correct To Make Multiple Design Changes In A Single Test Variation? Monday, September 24, 2018 by Jakub with 15 comments Questions
BetterUI: Can You Make This Checkout Screen Better? (Balsamiq Template) Monday, September 10, 2018 by Jakub with 2 comments Questions
Reverse Engineering Booking.com's Homepage Design Optimizations Thursday, August 16, 2018 by Jakub with 7 comments
Reverse Engineering Facebook.com's Homepage Design Optimizations Tuesday, July 31, 2018 by Jakub with 2 comments
BetterUI: What Should RightMessage.com Change On Its Homepage For More Signups? Thursday, July 5, 2018 by Jakub with 37 comments Questions
6 Landing Page Changes For +30% Signups On Bomgar.com Thursday, May 10, 2018 by Jakub with 7 comments Results
Insignificant Significance: Why Reverb.com Rejected A Winning A/B Test Monday, February 12, 2018 by Jakub with 1 comments Optimization Results
How Normanrecords.com Replicated The 'No Coupon Fields' Pattern With A Twist Friday, February 2, 2018 by Jakub with 8 comments Optimization Results
7 Experiments We Ran This Month - Jan 2018 Monday, January 29, 2018 by Jakub with 2 comments Optimization Results
Let's Test This: A Better Modal Popup - Oli Gardner's Maybe Later Pattern Friday, January 19, 2018 by Jakub with 2 comments Questions
7 Pricing Screen Changes For +28% Sales On Examine.com Wednesday, January 3, 2018 by Jakub with 2 comments Results
How Time-Based Graphs Can Deceive You, And Why You Should Run Real Experiments Sunday, December 31, 2017 by Jakub with 3 comments Optimization
A Flawless Copy-Paste Test: How Glass.net Replicated The Canned Response Pattern Wednesday, December 6, 2017 by Jakub with 4 comments Optimization Results
Better Experiments: Predict & Run Your Highest Impact A/B Tests First Tuesday, November 28, 2017 by Jakub with 0 comments Optimization
Better Experiments: Prioritize A/B Tests To Maximize Your Win Rate Wednesday, October 25, 2017 by Jakub with 0 comments Optimization
Pattern #31: Instant Results - Increased Leads For Vivareal.com.br Friday, October 6, 2017 by Jakub with 4 comments Results
BetterUI Challenge: Hey Smashing Magazine Can You Try & Test No Coupon Fields? Friday, September 29, 2017 by Jakub with 4 comments Questions
BetterUI Challenge: Hey Booking.com Can You Try & Test Exposed Options? Thursday, September 28, 2017 by Jakub with 7 comments Questions
Better Experiments: Increase Testing Velocity Friday, August 4, 2017 by Jakub with 3 comments Optimization
Getting A Higher A/B Test Win Rate Using Patterns: 2017 Q2 Performance Report Wednesday, July 12, 2017 by Jakub with 0 comments Optimization Results
Beating Chance With Conversion Patterns: Our 2017 Q1 Win Rate Report Monday, June 26, 2017 by Jakub with 0 comments Optimization
BetterUI Challenge: InVision + Natural Language Forms = +7.6% Prediction Friday, April 28, 2017 by Jakub with 4 comments Questions
10 Answered Questions About A/B Testing Thursday, April 13, 2017 by Jakub with 0 comments Optimization
Evidence #71: Social Proof That Didn't Work Thursday, February 2, 2017 by Jakub with 12 comments Results
Evidence #70: Least Or Most Expensive Plans First Monday, January 2, 2017 by Jakub with 6 comments Results
Overcoming Fears Of Your First Experiment Monday, December 19, 2016 by Jakub with 1 comments Optimization
Evidence #63: A Possible +23% Adds To Cart Thursday, November 24, 2016 by Jakub with 0 comments Results
How We Prioritize Testing Ideas For Highest Winning Certainty Using Google Sheets Sunday, November 20, 2016 by Jakub with 0 comments Optimization
Evidence #65: A Possible +4.9% To Leads From Up-front Forms Wednesday, November 16, 2016 by Jakub with 2 comments Results
Evidence #66: A Possible +5.5% To Sales From An Extra Checkout Step Friday, November 11, 2016 by Jakub with 1 comments Results
Results: Natural Language Forms Or Aligned? Thursday, October 6, 2016 by Jakub with 0 comments Results
Observation: Adding Social Counts Increases Conversions By +3.1% Thursday, September 22, 2016 by Jakub with 6 comments Questions Results
The Conversion Certainty Framework: Building Certainty From Multiple A/B Tests Saturday, September 10, 2016 by Jakub with 0 comments Optimization
How Certain Are You That Your Idea Will Win? Tuesday, July 12, 2016 by Jakub with 5 comments Optimization
Running Your First A/B Test - A Draft Course Outline Thursday, March 24, 2016 by Jakub with 13 comments
Agile A/B Testing: Using Stop Rules To Minimize Losses & Time Wasted Thursday, March 17, 2016 by Jakub with 3 comments Optimization
What Would You Like To Learn From Us About Data Driven Design? Wednesday, March 9, 2016 by Jakub with 15 comments Questions
Elements Of A Successful Long-Term Optimization Effort Saturday, March 5, 2016 by Jakub with 3 comments Optimization
Can You Imitate Other Sites For Higher Conversions? Friday, February 19, 2016 by Jakub with 4 comments Questions
UI Challenge: What Should We Change On Any Of These 3 Screens For More Signups? Friday, January 15, 2016 by Jakub with 78 comments Questions
Rebuilding Trust In Other People’s A/B Tests Monday, December 21, 2015 by Jakub with 0 comments Optimization
Seeing & Using Chart Patterns In A/B Tests Tuesday, December 8, 2015 by Jakub with 7 comments Optimization
Should You A/B Test Your Idea, Or Not? Wednesday, October 21, 2015 by Jakub with 6 comments Optimization
The Best Shot Strategy: The Fastest Way To Higher Conversions Monday, September 14, 2015 by Jakub with 1 comments Optimization