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Remove polyfill.io script - #15
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philipphennig merged 1 commit intoOct 8, 2026
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Summary
polyfill.ioscript tag from_includes/scripts/mathjax.html.The
polyfill.iodomain was taken over in 2024 and used to serve malicious code to sites embedding it (supply-chain attack). The script only provided an ES6 polyfill for MathJax, which all current browsers support natively, so nothing else changes.Test plan
Disclaimer: This was found while working on the website with some agent. I don't know much about this but it seems that indeed there was such an attack (https://en.wikipedia.org/wiki/Polyfill_(programming)), so it seems plausible to me to remove it.