This product experimentation guide makes it easy to learn how to build features that your customers actually want to use.| Optimizely
A value proposition is the essence of the value that your product or service provides to the customer. It is a promise of the benefits that you deliver.| Optimizely
Statistical significance is the likelihood that the difference in conversion rates between a given variation and the baseline is not due to random chance.| Optimizely
Quickly estimate needed audience sizes for experiments with this tool. Enter a few estimations to plan and prepare for your experiments.| Optimizely