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How can I update the thumbnail that appears when sharing my Webflow site link on SMS or social media messengers to be a thumbnail of my site?

TL;DR
  • Open the Webflow Page Settings and update the Open Graph image, title, and description under SEO Settings.
  • Publish your site and optionally clear cached previews using tools like Facebook’s Sharing Debugger or LinkedIn’s Post Inspector.

To update the thumbnail preview (Open Graph image) for your Webflow site when it's shared via SMS or social media, you need to modify your site's SEO and Open Graph Settings.

1. Open the Webflow Page Settings

  • Go to your Webflow project and open the Pages tab (in the left-side panel).
  • Hover over the page you want to edit (usually the homepage) and click the settings gear icon.

2. Set the Open Graph Image

  • Scroll down to the SEO Settings section.
  • Toggle open the Open Graph Settings.
  • Upload an image in the "Image URL" field — this is the thumbnail that platforms will use.
  • Recommended image size: 1200 x 630 px.
  • Add a Title and Description — these also appear in previews.

3. Use the Same Image for All Pages (Optional)

  • If you want the same thumbnail for multiple or all pages, you’ll need to repeat this process for each page or use a CMS field to automate it.

4. Publish Your Site

  • Click Publish in the top right and select the correct domain(s).
  • Changes won't reflect until the site is published.
  • Facebook: Use Facebook's Sharing Debugger to refresh the preview cache.
  • LinkedIn: Use LinkedIn’s Post Inspector.
  • Twitter/X: Use Twitter’s Card Validator.
  • Some SMS platforms, like iMessage, use similar caching systems that may take time to refresh, or respond differently based on device and OS.

Summary

To change the thumbnail for your Webflow site link, update the Open Graph Settings in the Page Settings by uploading a preview image, then publish your site and optionally clear preview caches. This ensures platforms like Facebook, Twitter, and LinkedIn display the correct thumbnail when your link is shared.

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