Related Posts doesn't show up

Hi there,

I’m having some problems with Jetpack Related Posts. They doesn’t seem to appear on any page, but the code is there.

Example:
http://www.mundodosanimais.pt/fotos/imagem-do-dia-abraco-amigo/

Related Posts should be appearing between the share buttons and the ads, but can’t see anything. Have already reindexed the website and got the “Posts indexed” message.

Thanks for your time.
Carlos

https://wordpress.org/plugins/jetpack/