Pretty popular by all accounts, don't take our word for it, just ask Google.
Google Trends now offers you the option to see search/visitor trends via domain. This is a great way to see what people are searching for, what sites they are using and how sites rate against each other.
According to Google, DR1 has no competition and is one of a few English language sites they bother collecting data on, as the others have comparatively very little traffic.
Google Trends for Websites: dr1.com
If your thinking of buying ads on DR related sites, then Google Trends is about the best tool to evaluate who really does have traffic.
Thanks Google!
How popular is DR1?
