Opening A Link On My Website Doesn't Work

In my website, I have a link that I'm trying to get work. I have a link that follows the normal format, a href, with www.youtube.com as the target link, and target=_blank at the en

Solution 1:

The problem, as @Interrobang has stated(although not in so many words), is your complete lack of http:// at the beginning of the url. Leaving this part out, or more importantly the //, makes the browser treat the url as relative to the site, rather than another site altogether.