Requests from referer https://www.googleapis.com/youtube/v3/playlistItems?part=id,snippet,contentDetails,status&maxResults=12&playlistId=PLc9FKyIZdaSTUNZwcuGod7h6L8rQ2jN4M&key=AIzaSyAMwme3RMpEK_Wmxbk0Dja95O9eNx4YhXE are blocked.