I hijacked your post, sorry. Will give Mattermost a look! EDIT: Your site doesn't share correctly. I went to share this on LinkedIn: * What Slack might lea

I hijacked your post, sorry. Will give Mattermost a look! EDIT: Your site doesn't share correctly. I went to share this on LinkedIn: * What Slack might learn from its Open Source alternative | Mattermost || https://www.mattermost.org/what-slack-might-learn-from-its-open-source-alternative/ https://www.mattermost.org/what-slack-might-learn-from-its-o... And I see this: http://imgur.com/a/evVZF http://imgur.com/a/evVZF You're using WordPress so you can check out: * Yoast SEO — WordPress Plugins || https://wordpress.org/plugins/wordpress-seo/ https://wordpress.org/plugins/wordpress-seo/ This will add the right meta tags to make the thumbnail and image and description show up through shares with minimal effort on the part of the content creator.