High-PR Social Bookmarking Sites 2021 for SEO

High PR social bookmarking sites Bookmarking websites PR DA Alexa www.pinterest.com 9 94 32 www.reddit.com 8 77 28 www.tumblr.com 8 91 46 www.stumbleupon.com 8 68 521 www.myspace.com 8 77 2175 www.citeulike.org 8 33 20728 www.Plurk.com 7 86 2291 www.Fark.com 7 55 3741 www.scoop.it 7 54 1505 www.bibsonomy.org 7 48 8378 www.diigo.com 7 43 3756 www.webseoexpertservices.com […]