[yoasif_]

This is weird. Why not just go to https://i.imgur.com/vuUyLnz.mp4 ?

[dsissitka]

I mostly encounter them on reddit and it seems they just happen to use gifv.

Just skimming through the first few pages and it looks like all of the videos are gifv:

NSFW

https://old.reddit.com/domain/imgur.com/