I absolutely hope that this experiment works out for Mozilla. However, I think there is no need for such a service. The web is an open platform, there is no sec

I absolutely hope that this experiment works out for Mozilla. However, I think there is no need for such a service. The web is an open platform, there is no secret knowledge. As an advanced web developer you can find out everything on your own, as a beginner you can use free MDN tutorials (or other websites). They could offer certificates for different levels of web-development skills. Based on the popularity of MDN this could work out well...