"Use MathML, via MathJax, to ensure that content is accurately rendered
in an accessible way and can be customized to meet the user's needs. The SVG
format with alt text is not appropriate since it incorrectly treats math as text, and
cannot be translated into proper mathematical braille"
Accessibility experts recommend in https://www.ietf.org/media/documents/RFC_Documents_Spot_Checks.pdf
"Use MathML, via MathJax, to ensure that content is accurately rendered in an accessible way and can be customized to meet the user's needs. The SVG format with alt text is not appropriate since it incorrectly treats math as text, and cannot be translated into proper mathematical braille"