Social Bookmarking sites is the most important part of SEO. You can get good back-links, huge traffic, brand promotion, and more. You should start with social bookmarking sites. If you have blog posts or web pages to bookmarking websites. It is the easiest & fastest way to index your websites in Search engine ranking like Google, Yahoo, Bing and etc..
Top bookmarking websites give quality back-links, improve domain & page authority, reduce bounce rate, and more. This method helps to share your webpage, articles, images, and videos. Many advantages to submit your content of these sites. If you use this websites your posts will index quickly.
Popular Free High PR Social Bookmarking Websites
https://www.scoop.it
https://www.diigo.com
https://www.reddit.com
https://www.stumbleupon.com
https://pinterest.com
http://www.startaid.com
https://del.icio.us
http://youmob.xyz
http://www.folkd.com
https://slashdot.org
