I’m having trouble making twitter cards work at all.
I paste my site’s URL into the card validator at Twitter, here: https://cards-dev.twitter.com/validator
I receive the message: “ERROR: Fetching the page failed because it’s denied by robots.txt.”
My Robots.txt field is blank in my project settings.
All pages have OpenGraph fields enabled and set.
Is there something obvious I’m missing?
Here is my site: [https://www.bitspark.io/]