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How can I ensure that the poster of a hidden video will still be viewable when shown in a modal in Webflow?

TL;DR
  • Use opacity: 0 or visibility: hidden instead of display: none to ensure the video and poster load properly.
  • Overlay a static image matching the video poster and hide it when the modal opens.
  • Set preload="none" and use JavaScript to load the video only when needed.
  • Test in multiple browsers to ensure consistent behavior.

If you’re using a hidden video inside a modal in Webflow, the poster image may not appear as expected when the modal is opened. This often happens because Webflow hides elements using display: none, which prevents the video from loading correctly. Here’s how to fix this issue:

1. Use opacity: 0 Instead of display: none

  • Instead of setting the modal’s initial state to display: none, set it to opacity: 0 with pointer-events: none.
  • This ensures that the video and its poster load correctly before the modal becomes visible.
  • When opening the modal, animate opacity: 1 and remove pointer-events: none to make it interactive.

2. Use the visibility Property

  • Another approach is setting visibility: hidden instead of display: none.
  • Then, when opening the modal, change it to visibility: visible while maintaining the layout.

3. Add a Static Image as a Poster

  • Place a static image (matching the video poster) on top of the video.
  • Use Webflow interactions to hide the image when the modal opens.

4. Delay Video Loading Until Modal Opens

  • If the hidden video still doesn’t display properly, set it to preload="none" to prevent loading until needed.
  • Then, use custom JavaScript to set the video’s src only when the modal is opened.

5. Test Across Browsers

  • Different browsers handle hidden media differently. Ensure your modal works properly in Chrome, Firefox, and Safari.

Summary

Use opacity: 0 or visibility: hidden instead of display: none, or overlay a static poster image. For advanced control, use JavaScript to delay video loading until the modal is opened.

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