>3) You can add additional test cases, and change probabilities, by editing the app's config.yml file.
Nice! Will your dashboard take the ratios to account when helping the user see which design is performing better and also show the confidence interval?
Backlift's analytics dashboard is simple and useful for quick analysis and tuning during a launch. In addition all the code for the dashboard is in the /admin folder, so it can be extended if needed.