Emacs Org mode can handle LaTeX math, and exports it to HTML using MathJax. On my pages I have been using KaTeX instead of MathJax. It loads faster but doesn't support as many features. Org mode doesn't have direct support for KaTeX but for the simple things I do on my pages, I can redirect MathJax to KaTeX using KaTeX autorender: 

(setq org-html-mathjax-template
"<link rel=\"stylesheet\" href=\"https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.min.css\" integrity=\"sha384-9eLZqc9ds8eNjO3TmqPeYcDj8n+Qfa4nuSiGYa6DjLNcv9BtN69ZIulL9+8CqC9Y\" crossorigin=\"anonymous\"/>
<script defer=\"defer\" src=\"https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.min.js\" integrity=\"sha384-K3vbOmF2BtaVai+Qk37uypf7VrgBubhQreNQe9aGsz9lB63dIFiQVlJbr92dw2Lx\" crossorigin=\"anonymous\"></script>
<script defer=\"defer\" src=\"https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/contrib/auto-render.min.js\" integrity=\"sha384-kmZOZB5ObwgQnS/DuDg6TScgOiWWBiVt0plIRkZCmE6rDZGrEOQeHM5PcHi+nyqe\" crossorigin=\"anonymous\" onload=\"renderMathInElement(document.body);\"></script>")

(it looks ugly but it's straight from the KaTeX autorender page, but with quotes backslashed)

This seems to work on the small tests I've done so far.

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– Amit – Tuesday, February 12, 2019

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