Cannot get graphic on my site to show on Twitter post

[positive-trends]

I updated the SEO header to the twitter graphic code.  It still does not load when I post the link to Twitter.  Please help.

[whitemonkey]

@positive-trends 

u need twitter cards      added as code on each page

https://developer.twitter.com/en/docs/twitter-for-websites/cards/guides/getting-started

or my own page for weebly users:

https://www.nomadicbackpacker.com/how-to-add-twitter-cards-to-your-weebly-blog.html