If updating theme, make sure to change layouts/partials/footer.html to include: <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"> </script> If github pages aren't working, check the custom domain; should be www.grahamwheeler.com TODO - affiliate links - RSS icon seems busted - More tags - publish and push to Github