Lazy load for youtube

AMP also prefetches lazy-loaded resources. Resources are loaded as late as possible but prefetched as early as possible. That way things load very fast but the CPU is only used when resources are actually shown to users.

Unfortunately, don’t works. I see “Remove unused javascript” issue for mobiles when start test on pagespeed insight:
…en_US/base.js(www.youtube.com)
…www-embed-player.vflset/www-embed-player.js(www.youtube.com)
But it’s ok for desktop
https://developers.google.com/speed/pagespeed/insights/?hl=ru&url=https%3A%2F%2Fwww.msp360.com%2Fresources%2Fblog%2Fhow-to-restore-a-vmware-virtual-machine-in-msp360-managed-backup-service%2F&tab=mobile

Third-party code can also load heavy JavaScript on your site.

Lazy loading advertisements (e.g. AdSense) and establishing earlier connections using preconnect and prefetch can significantly improve your page’s initial load time. Check your third-party code in PageSpeed Insights and try to limit it, or at least optimize it. Social sharing buttons and embedded YouTube videos (and social widgets) are also types of third-party code.

This is my problem as well. I’m trying to optmized pagespeed score. But having a youtube video make my mobile score 25-30. removing it my mobile score goes 65-70. That’s a bit ironic from google wanting to have fast amp pages but causing the score to go down at the same. lol

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