Measuring Usability
Quantitative Usability, Statistics & Six Sigma by Jeff Sauro

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Usability Testing (19)

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Clicks Topics


Click versus Clock: Measuring Website Efficiency

Click versus Clock: Measuring Website Efficiency

Jeff Sauro • November 15, 2011

For as long as there have been websites it seems that there's been a call to reduce the number of clicks to improve the user experience. An analysis of click counts and task times across 3 eCommerce website usability tests and 1200 users found that clicks and time have a correlation of .5. Clicks predict around 25% of task time, meaning it's better to directly measure or estimate task times than click counts when improving website efficiency.[Read More]


Getting the first click right

Getting the first click right

Jeff Sauro • October 19, 2011

Good website navigation is essential for task success. When users' first click is down an incorrect path, only 46% eventually succeed. Here are some ideas on testing first click success.[Read More]

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About Jeff Sauro

Jeff Sauro is the founding principal of Measuring Usability LLC, a company providing statistics and usability consulting to Fortune 1000 companies.
He is the author of over 15 journal articles and 3 books on statistics and the user-experience.
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Jeff's Books

Quantifying the User Experience: Practical Statistics for User ResearchQuantifying the User Experience: Practical Statistics for User Research

The most comprehensive statistical resource for UX Professions (JUST RELEASED)

Buy on Amazon

Excel & R Companion to Quantifying the User ExperienceExcel & R Companion to Quantifying the User Experience

Detailed Steps to Solve over 100 Examples and Exercises in the Excel Calculator and R

Buy on Amazon | Download

A Practical Guide to the System Usability ScaleA Practical Guide to the System Usability Scale

Background, Benchmarks & Best Practices for the most popular usability questionnaire

Buy on Amazon | Download

A Practical Guide to Measuring UsabilityA Practical Guide to Measuring Usability

72 Answers to the Most Common Questions about Quantifying the Usability of Websites and Software

Buy on Amazon | Download

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