How to Make a Large Link Preview on Messengers and Social Media
Some social media and messengers (though not all, but Telegram or Twitter, for example) support a large link preview for website links.
By default, a reduced link preview is displayed:
A large link preview features a bigger image and looks like this:
To enable large link previews, open Page Settings → Social Media → Customize social media preview, and enter your Twitter login in the “Twitter Account” field.
Save changes and republish the page.
Cached link previews can be updated following the guidelines in the article: https://help.tilda.cc/preview-update