For whatever reason, Neocities update thumbnails really don't like Tahoma as a font... I've finally added fallbacks in in the form of Verdana on all of the other pages I previously forgot to
You might also want to add the generic "sans-serif" as a last-resort fallback - despite Verdana being a "web safe" font, it still isn't preinstalled on all systems. (I'm on a pretty plain install of Debian that doesn't have Tahoma *or* Verdana, so right now I see a generic "serif" fallback.)
You might also want to add the generic "sans-serif" as a last-resort fallback - despite Verdana being a "web safe" font, it still isn't preinstalled on all systems. (I'm on a pretty plain install of Debian that doesn't have Tahoma *or* Verdana, so right now I see a generic "serif" fallback.)