There are several free social bookmarking sites list which are available in the internet. Today i am providing  best free high pr social bookmarking sites. You need  to “Register” and “Submit Your Website” to get free high PR backlinks to your site.

Top 30 High Authority Sites 2016 (New Edition)

Social Bookmarking Sites Domain Authority  Alexa Free/Paid
www.reddit.com 99 27 Free
www.stumbleupon.com 98 266 Free
www.citeulike.org 83 12886 Free
slashdot.org 95 1436  Free
www.newsvine.com 94 4608 Free
www.scoop.it 88 870 Free
www.plurk.com 86 1803 Free
www.fark.com 85 2808 Free
www.pearltrees.com 77 7145 Free
www.bibsonomy.org 75 5095 Free
www.jumptags.com 67 Stopped Free
www.folkd.com 84 2865 Free
blinklist.com 92 7266 Free
blogmarks.net 80 25878 Free
netvouz.com 76 32122 Free (registration disabled)
59 19893 shut down
www.linkagogo.com 69 13379 Paid
youmob.com 59 6407 Free
givealink.org 52 redirected Free
bookmax.net 43 15647 Free
www.ezyspot.com 43 43351 Free
www.bookmark-manager.com 38 24998  Stopped
www.favoor.com 37 83245 redirected
url.org 61 10254 Free
newsmeback.com 47 9815 Free
cloudytags.com 45 17934 Now paid
www.bookmark4you.com 41 8788 Free
murl.com/splash 40 23614 Free
www.blokube.com 38 58002 Paid
www.gozoof.com 29 313092 Free
23 31132 Free
www.prbookmarks.com 23 50110 Free
www.sitejot.com 49 11446 Free
1look4.com 37 21350 Free
www.whitelinks.com/whitelinks/login.php 25 29443 Free
wirefan.com 25 42426 Free
www.bookmarks2u.com 22 43433 Free
22 52057 Stopped

300 High PR Social Bookmarking Sites 2016