This website does not collect any personally identifiable information about visitors.
This website uses Google Analytics. Their privacy policy is here:
http://www.google.com/intl/en/policies/privacy/
This website is hosted using GitHub Pages. Their privacy policy is here:
https://docs.github.com/en/free-pro-team@latest/github/site-policy/github-privacy-statement#github-pages
This website uses Google Analytics which uses cookies. Google promises that it doesn’t collect personally identifiable information.
Cookies might be created to store your preferences if you interact with the context menu of math equations on this website. If you don’t mess with that menu then those cookies won’t be created. At any rate those cookies don’t appear to contain any personally identifiable information.
Other than that cookies are not used.