This could do with some non-serif fontage. Effective learning includes having a typeface that doesn't get in the way of reading at smaller pointsize for a large segment of the population.
TIL -- I thought serif was generally supposed to be easier to read.
How is this kind of thing studied, and what kind of outcomes suggest "easier to read"? Speed? Recall? Subjective?
What proportion of the population are we talking about, roughly? Is it even enough that one should consider providing both a serif and a sans version of their content?
Worldwide, at least 10% of the audience (but depending on your specific demographic, much higher) which is a crazy significant number (for contrast: your users are three times more likely to have some form of dyslexia than they are likely to be using Firefox).
But also note that font size and spacing matters a lot: at 16px with 24px line spacing, this is super hard to read. Change that to font-size 20 with the same 24px spacing, and this read perfectly fine.
Thanks for the response and link! I'll see if I can find some primary literature on the topic -- I'm interested in how such a thing is studied! Accessibility is certainly one of my many weak points.