Describe the issue
In a long page, with the embed player out of the main view, the parent page will autoscroll to the video when iframe is loaded

To Reproduce
Steps to reproduce the issue:

1. Create a long HTML page body: { height: 5000px; }
2. Place an embed player iframe in it, out of view : <iframe style="position: absolute; top: 4000px" ... />
3. Open page and reload page
4. See error : parent page will autoscroll to center iframe in view

Expected behavior
Parent page should not be controlled by iframe

Environment:

• OS: mac OS
• Browser : chrome

Additional context
Line of code possibly responsible for this behavior :

Related issue from W3C : w3c/csswg-drafts#7134

A query param to control this behavior would be a nicetohave, if it's a wanted feature.