It could be a caching issue, or an intermitent network issue. Does this happen on other sites, too? Can you try to get on itch.io from another network?
Viewing post in Imgs coming out blank
It seems like only happens on Itch.io and not really can try a different net. guess have to hope for the best if doesn't show up here.
But some images I know do seem to load just not all of them is really strange.
But least still can play any of the games have webplay support :) or my own so not a full total loss.