How youtube.com Looks on Facebook
This page shows how youtube.com appears when shared on Facebook. The current preview headline reads "YouTube". It pairs with the description "Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on..." and a social image. Overall, youtube.com's setup scores 70/100 against Facebook best practices.
Facebook preview
Large card (image ≥ 600px wide)

www.youtube.com
YouTube
Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
Compact card (image < 600px wide)

www.youtube.com
YouTube
Enjoy the videos and music you love, upload original content, and share it all w...
Analysis
youtube.com's social setup currently has 2 warnings that affect how it renders on Facebook. The most impactful fixes are listed below - they range from missing required tags to image dimensions that will be cropped or rejected by specific platforms.
In particular: missing og:type tag; missing twitter:card tag. Each of these has a one-line fix in the recommendations panel above.
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