It looks like this post contains a shortened URL (https://t.co/GrfNpvOKRC).
Here is my preview of the domain: .
Now checking it against my database of known compromised or unsafe domains.. you'll see another reply if it's in there. If not, it's likely safe to open.
More info on this service here.
For more information about risks involved in shortened URLs, read this article by Forbes.
This auto-reply is self-voted to be more visible among others.
{average of post/comments with shortened links that I found: 15.9/h} This auto-reply (on posts) is throttled 1/10 to reduce spam but if it still bothers you reply "OFF FURL" (I'll still check previews against my database).