If you are not sure if the website you want to visit is safe, you can check it out here.
Enter the address (url) of the website and see the invisible elements, such as a header or meta data.
site address:
www.youtube.com/?feature=youtu.be redirected to: www.youtube.com/?feature=youtu.b...
name="description" content="Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube."
name="keywords" content="video, sharing, camera phone, video phone, free, upload"