Stumbleupon Votes of leading social bookmarking site
Stumbleupon is the leading social bookmarking site that has the potential to drive huge traffic to a website. There are many people who are using it as it is provides the right information for their needs, in turn, driving targeted traffic. This surely is a great site to engage in.
In order to acquire huge traffic from here, you need many people to stumble upon your article content, leading them to your website. Just make sure you select the right category when submitting your article. As people stumble upon your content, it will act as votes to search engines and will cause them to index your articles increasing your rank and traffic.