We recently released a Beta version of our export health check diagnostic.
It’s a simple thing that asks you 7 questions with yes or no answers. You can run through it in 2 minutes.
We know this, because we tested it through a rapid series of iterations. We made a prototype, put it out for testing and changed it the next day based on what we had learned the night before.
In the space of a week we had something we knew worked well, that people could use comfortably and delivered something of real value.