With the advent of social bookmarking sites in last century and the continuous popularity of social bookmarking sites, you can increase your website online presence by spending some time on some of the most popular social bookmarking sites. Social bookmarking sites are very good source of huge traffic if your content go viral as most social bookmarking sites are properly integrated with social media and other community sites which enhances sharing of content.
One very good reason to submit your contents to social bookmarking sites is that they are sure ways to build quality backlinks to your website. Google and major search engines loves link juice from social bookmarking sites and are constantly indexed regularly. Most of the most popular social bookmarking sites have the dofollow tag in the anchor tag which is an easy way to build quality to your website, this by extension increases your ranking on SERPs and your Google Page rank. You can also increase traffic to your website by submitting your contents to social bookmarking sites.
It's important for you to note that their are social bookmarking SEO tips to always implement while submitting your contents to social bookmarking sites to increase backlinks and more traffic to your website or blog.
Submit your most popular contents first.
Use SEO friendly keywords in the title provided my the site.
Add keyword in the description section to increase organic traffic to your site.
Resubmit your content to social bookmarking sites but with different titles and description to avoid spamming and potentially being banned.