url: https://www.youtube.com/watch?v=SeF4m31UzIg
src in: https://www.youtube-nocookie.com/embed/SeF4m31UzIg?feature=oembed&wmode=opaque
src gen: https://www.youtube-nocookie.com/embed/SeF4m31UzIgActual comparison
url: https://www.youtube.com/watch?v=SeF4m31UzIg
src in: https://www.youtube-nocookie.com/embed/SeF4m31UzIg?wmode=opaque
src gen: https://www.youtube-nocookie.com/embed/SeF4m31UzIg