What's cool about KaTeX is that you can integrate it nicely with static website generators so that you can skip the latex parsing on the client side; the client

What's cool about KaTeX is that you can integrate it nicely with static website generators so that you can skip the latex parsing on the client side; the client only has to load a font and some CSS, no JS required. I've used that in a blog here: http://stoppels.blog/posts/gsoc-2017-summary http://stoppels.blog/posts/gsoc-2017-summary