Thanks for the feedback Sandrae, it's helpful to hear your perspective.

We have a lot of female users on Codewars and want to make sure everyone feels welcome. The term "Kata" are what we call our challenges, it just means "form" in Japanese - it's used in calligraphy and martial arts to describe a way to practice a pattern to excellence. As for our name, it does hint at competition, though is meant as a metaphorical war on mediocrity and the status quo.

Performance-wise our site isn't going to be as fast since we run the code on our own servers (opposed to in your browser), which has lot's of advantages for better challenges/more versatility, but makes speed a little more of an issue.

I hope you do give the site a shot, and if you have any more feedback please email me: nathan@codewars.com