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Update Facebook & Twitter cards

When you share a Medium post on Facebook of Twitter, a card is created with a preview of your content.

Twitter and Facebook look at the initial post data, such as your title and featured image. If you make changes to those elements, Medium sends out the new information. Twitter re-scrapes the data after a few hours, but Facebook does not.

To manually update a Facebook card:

  1. Go to the Facebook tool: developers.facebook.com/tools/debug
  2. Paste the URL of the Medium post.
  3. Click Fetch new scrape information.

To update a Twitter card:

  1. Go to the Twitter Card Validator tool: cards-dev.twitter.com/validator
  2. Paste the URL of the Medium post.
  3. Click Preview card.
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