Giphy GIFs play on Facebook. If you share a Giphy link (i.e. http://gph.is/1aljRyd) on Facebook, the GIF will play in the newsfeed, the profile page, the permalink of the post, embeds of the post, and as comments!
Just click the Facebook button located on any GIF permalink page, and make sure you're signed in to your Facebook account.
Click [Share Link] and you're all set!
You can also copy and paste the link for any Giphy GIF inside your post. Once the GIF is previewed in the post, its URL can be removed! You can also edit the title and description of the GIF. Click [Post] and your GIF will play on Facebook
Here's what that looks like on your timeline:
On your profile page:
When the permalink of your post is shared:
And when your post is embedded
You can also add Giphy GIFs as a comment. Just copy and paste the link inside the comment field and you're all set!