Although I’m not 100% convinced a website for teaching kanji can do so without equally thoroughly/accurately/completely showing the ways in which those kanji are used in the language - i.e. through vocab. A lot of people seem to be saying the vocab is just an add on. I think it should be an entirely central/important part of any kanji learning app. Of course the analogy doesn’t really work with English but no one’s gonna charge to teach the alphabet and then say, ‘oh yeah, the vocab is not really what we’re about’.