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Show an image thumbnail when you share your site

Sometimes when a link is shared on platforms like Twitter or Discord, an image will display as part of the preview for the website.

These can be set (manually) on static webpages, using <meta></meta> tags.

You should put this tag on every page in which the preview should appear when shared.

  1. First, upload the image that you'd like to appear. Usually it's a screenshot of the site itself, but it can also be something else.
  2. Then, on each page you'd like a preview to appear, place these tags between your <head></head> tags. In the first tag, replace the URL with the URL of your image.
  3. <meta property="og:image" content="" />
    <meta property="twitter:card" content="summary_large_image">
  4. After making the change and saving the file, wait a few minutes and then you can try out a preview. This website can help you preview it.
  5. If you test the preview in Discord, it will cache (remember for a long time) the first version it sees. If you decide to change it, the preview won't update this. You can force it to reload a fresh version of your thumbnail by adding a ? at the end, followed by random letters/numbers. Like this: