right now it's just a list of videos I watched on my own time and think was very good quality. The site definitely needs some more automation similar to what you suggested but its still needs to be moderated. I don't want to just link to every video people put on theirs channels.
My idea for recruiters was special website with referral link where they could fill out all information I was interested in (the fields was required in order to submit the form) and big red information that stated: "If your offer will be interesting I will contact back on linkedin".
In addition I made small control question, for example: "Whats the first letter on my LinkedIn description?".
That way I know I don't talk with a bot and they really read my profile.
Speed of test-runners is important, but in my opinion can't be top priority. Far more important is better flexibility of writing tests and bigger asserting tools. Thanks to that, you can write more test and coverage more code.
I also find another project called Viz.js[1]. It's graphviz in javascript. Looks promising. It's hard to choose between this two. On the one hand is very simple syntax, and on the other hand more flexibility.