This looks like something that should be up to the user's browser rather than the website. If you built this into your website you'd probably need a setting to

This looks like something that should be up to the user's browser rather than the website. If you built this into your website you'd probably need a setting to turn it on or off (because the font is kinda hard to read for non-dyslexic people) which would always degrade the experience for one group (based on the default setting) or even make them more identifiable (if stored in persistent storage).