Twittercard - Why?!?!

[raceclear]

In the last 24 hours, every time I tweet with a link to my website a Twittercard is attached with information about my site.

1. How can I stop this happening?
2. If I cannot stop it happening how can I edit the Twittercard and add a picture to ensure that it at least looks good and is accurate.

Thanks

[andypiper]

Your page is implementing OpenGraph tags (og:), which is one of the alternatives for rendering Twitter cards. I don’t know where that is configured in your site, but you can add an image in og:image which would be rendered in the card.

You can read more in the Cards documentation.