Just discovered a really unfortunate bug with gyfcat links - they show up in the preview of our posts, but not the actual posted topic. Unfortunately, I have to throw this one out to the Discourse team.
I’ve reported it here:
And
And here’s an old discussion from last year where they thought it was resolved:
just because I’m noob and confused . why RTVFX is similar to the discourse website ? is there any connection between them? (I have no idea what is this discourse website).
Top one 
Yup, Discourse is the awesome base platform on which all of this site is built upon - we’ve done quite a few modifications to make it our own, but there’s no way we could afford to build this from scratch 
Also worth mentioning - it’s partially the same team that built Stack Overflow.
Right on spot 
Wow! It ended up being a problem with Gfycat directly - the discourse guys were able to help them get it sorted fast!