Tag: test

conversion rate optimization cro

Usability testing (for Data Analysts)

Usability testing is a popular research method for collecting detailed and direct user feedback about your online product, website or mobile application. What is it exactly and how…

conversion rate optimization cro

Five Second Test

Everyone who works on online research projects should use (or at least be familiar with) qualitative methods, too. Even if you are a data scientist who trusts the…

coding in data science and analytics

Google Analytics vs. SQL: When and why to build your own data tools

For the record: I’m a big fan of third-party data tools (e.g. Google Analytics, Hotjar, Crazyegg, Optimizely, Google Optimize). I like them because they are easy to use…