Many embed YouTube video in to their blogs. This is a adsense violation if the video has:
- Copyright content
- Owner is not you
- Video is Copyrighted and no one is allowed to put it on a site
The reasons above may be a reason why your Adsense application was rejected. Please THINK BEFORE YOU ACT while writing each blog posts. You should make sure that the post you are about to write isn’t a copied content or doesn’t contain a copyrighted material such as images, videos etc……
These rules not only applicable to YouTube videos but to all sites that offer video uploads and embedding such as DailyMotion, Vimeo etc….