Not whitelisted


#1

How can I get this fixed?

I’m trying to create a card for http://www.annieescreve.com.br/2016/02/bibliofilia-colecionando-livros.html

INFO: Page fetched successfully
INFO: 11 metatags were found
WARN: Not whitelisted


#2

Your website is missing all Twitter card tags and only contains the open graph og: tags, those will not work for Twitter card. See the docs which tags you need to use.