Category Usability Testing & A/B Testing

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Usability testing is a research method to measure how user-friendly a product or interface is. The researcher observes the user while asking him to complete a set of tasks.

A/B testing is a much used research method in the field of statistics in which you compare two versions of a web page to see which one performs better.

As a philosophy, both research methods encourages an evidence-based practice in order to improve key metrics.

The last couple of weeks I’ve been experimenting with Optimizely, a testing tool founded by two former Google product managers, trying to optimize the conversion rate of this blog with the help of a multivariate test. Multivariate tests, also called multivariable tests, provide insight into which content or creative variation produces the best improvement in… continue reading

At Corelio Publishing, a leading online and offline news publisher in Belgium, we’re testing our newsletter templates endlessly. With several 100k emails a day even the smallest change could mean a huge difference in the Click Through Rate and traffic to our websites. Although A/B testing with email templates is not that hard, it demands… continue reading

A couple of days ago I noticed a significant increase of traffic to my article 15 Free Ebooks about User Experience and Interface Design. Needless to say it triggered my curiosity. I quickly opened Google Analytics to look for the source and came up with Reddit.com. I found out that someone was so kind to… continue reading

It is commonly known that user testing (and evalutation) should start throughout the early stages of development of a website. It is cost-effective when these tests are conducted in the right point of development but that doesn’t mean you should stop testing once the website goes online. I wrote an article (Fading navigation on the… continue reading

„Understanding your users is the first step towards defining the exact problem. does just that!“
- Paul