YouTube video CSP demo

Test page with two embedded YouTube videos. One served from www.youtube.com and one from www.youtube-nocookie.com. A Content Security Policy (CSP) header served with this test page should prevent the www.youtube-nocookie.com video from loading, but the www.youtube.com video should be allowed. See https://crbug.com/1271196.

Content-Security-Policy "frame-src 'self' www.youtube.com" always;

www.youtube.com

www.youtube-nocookie.com