Running Front-End Experiments

This article discusses the importance of running small experiments to learn new ideas and improve existing features in websites or apps. It highlights that many changes in these platforms come about as a result of experiments, such as Google testing 41 different shades of blue for their links. Experiments lead to new knowledge, discoveries, and changes in behavior, and they help validate our beliefs using metrics and data. The author provides an example of how to run an experiment with JavaScript, focusing on form completions and the use of a progress bar. They emphasize the importance of forming hypotheses, determining variations, segmenting users, running the experiment, and analyzing the results. By incorporating learning through experimentation, developers can improve their understanding of user behavior and make data-driven decisions.