It's grabbing a picture from the website. As the website changes, the preview changes. Go to Twitter's card validator: https://cards-dev.twitter.com/validator Look up an obama.org archive from the tweet's date: https://web.archive.org/web/20200517224631/https://www.obama.org/ You get a tweet that originally showed: https://files.catbox.moe/xqyk3p.jpg