How can I solve the issue of autoplay not working on a Vimeo video within a video modal in Webflow?

TL;DR

Use the Vimeo embed link with ?autoplay=1&muted=1 parameters.
Add an Embed component in Webflow and insert an iframe with the modified Vimeo URL.
Ensure the video loads only when the modal opens using Webflow interactions.
Enable Autoplay and Background Play in Vimeo's settings.
Test across different browsers and check autoplay permissions if needed.

1. Understand the Vimeo Autoplay Issue

Webflow allows embedding Vimeo videos, but autoplay may not work due to browser restrictions or incorrect embed settings.

2. Check Vimeo Embed URL

Ensure the Vimeo embed link includes autoplay parameters:
?autoplay=1 for basic autoplay.
&muted=1 (some browsers require muted autoplay).
Example: https://player.vimeo.com/video/123456789?autoplay=1&muted=1.

3. Use the Webflow Embed Element

Remove any existing video elements and add an Embed component.
Paste the following modified Vimeo embed code:
```html\`\`\`
Replace 123456789 with your actual Vimeo video ID.

Many browsers prevent autoplay videos from loading if they are hidden on page load.
Use Webflow interactions to:
Load the video URL dynamically when the modal opens instead of having it in the HTML from the start.
Set the modal’s display to "none" on page load, then change to “flex” or “block” when triggered.

5. Enable Autoplay in Vimeo Video Settings

Go to Vimeo.com, find your video, and open Settings.
Under the Embed tab, enable Autoplay and Background Play (if available).
Save changes and test the video.

6. Test in Different Browsers

Try Chrome, Firefox, Safari, and Edge to ensure autoplay works.
If it doesn’t, check browser autoplay permissions in your browser settings.

Summary

To fix Vimeo autoplay in a Webflow modal, use the correct ?autoplay=1&muted=1 parameters, dynamically load the video when the modal opens, and adjust Vimeo settings to enable autoplay. If issues persist, test different browsers and enable autoplay permissions.

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