Why to use Social Bookmarking Sites? Social Bookmarking Sites helps your website to get one way backlinks which gives more value to your website links and increase in Page rank.
Bookmarking most of the your links on these Social Bookmarking Sites can give you best results in SEO. Make sure that sites are dofollow. You can optimize your links further by adding appropriate title, tags and links while submitting your website or blog. 
Note: Social Bookmarking is for sharing your article on web, so share your best content. Don’t Spam with poor articles or links.
High PR 100 Social Bookmarking Sites List
| Site Name | PR |
| http://technorati.com/ | 8 |
| http://Reddit.com | 8 |
| http://Stumbleupon.com | 8 |
| http://Digg.com | 8 |
| http://www.connotea.org/ | 8 |
| http://Mixx.com | 8 |
| http://chime.in/ | 8 |
| http://www.mixx.com/ | 8 |
| http://sourceforge.net/ | 8 |
| http://weheartgossip.com/ | 8 |
| http://www.metafilter.com/ | 7 |
| http://www.newsvine.com/ | 7 |
| http://diigo.com | 7 |
| http://mister-wong.com/ | 7 |
| http://metafilter.com/ | 7 |
| http://fark.com/ | 7 |
| http://designfloat.com/ | 7 |
| http://Folkd.com | 6 |
| http://blinklist.com/ | 6 |
| http://www.dzone.com | 6 |
| http://kwoff.com/ | 6 |
| https://clipboard.com/ | 6 |
| http://en.oneview.com/ | 6 |
| http://current.com/ | 6 |
| http://clipmarks.com/ | 6 |
| http://pusha.se/ | 6 |
| http://icio.de/ | 6 |
| http://scoopit.co.nz/ | 6 |
| http://url.org/ | 5 |
| http://www.buddymarks.com/ | 5 |
| http://tagza.com/ | 5 |
| http://www.social-bookmarking.net/ | 5 |
| http://colivia.de/ | 5 |
| http://cndig.org/ | 5 |
| http://www.ebaumsworld.com/ | 5 |
| http://buddymarks.com/ | 5 |
| http://gabbr.com/ | 5 |
| http://givealink.org/ | 5 |
| http://wirefan.com/ | 5 |
| http://japundit.com/ | 5 |
| http://linktab.co.uk/ | 5 |
| http://youblr.com/ | 5 |
| http://designmoo.com/ | 5 |
| http://maple.nu/ | 5 |
| http://baang.ir/ | 5 |
| http://bloggingcanadians.ca/ | 5 |
| http://japansoc.com/ | 5 |
| http://mylinkvault.com/ | 4 |
| http://jeqq.com/ | 4 |
| http://newsmix.me/ | 4 |
| http://www.puplinks.com/ | 4 |
| http://www.lemmingland.com/ | 4 |
| http://www.bildu.net/ | 4 |
| http://www.oyax.com/ | 4 |
| http://www.sitejot.com/ | 4 |
| http://www.a1-webmarks.com/ | 4 |
| http://linkr.hu/ | 4 |
| http://zoomit.ca/ | 4 |
| http://linkatopia.com/ | 4 |
| http://indianpad.com/ | 4 |
| http://shoutwire.com/ | 4 |
| http://fcc.com/ | 4 |
| http://cloudytags.com/ | 4 |
| http://izeby.com/ | 4 |
| http://myhq.com/ | 4 |
| http://ngopost.org/ | 4 |
| http://popscreen.com/ | 4 |
| http://linkr.hu/ | 4 |
| http://dnhour.com/ | 4 |
| http://blogospherenews.com/ | 4 |
| http://worldpharmanews.net/ | 4 |
| http://maglev08.com/ | 4 |
| http://www.52.co.nz/ | 3 |
| http://www.bukmark.net | 3 |
| http://tourdion.com/ | 3 |
| http://www.business-planet.net/ | 3 |
| http://www.bestnewslinks.info/ | 3 |
| http://www.gozoof.com/ | 3 |
| http://www.startaid.com/ | 3 |
| http://newsgarbage.com/ | 3 |
| http://bookmarksync.com/ | 3 |
| http://plugim.com/ | 3 |
| http://greensocialtech.com/ | 3 |
| http://indianscoop.net/ | 3 |
| http://bligg.be/ | 3 |
| http://ziki.com.au/ | 3 |
| http://www.submit-link.info/ | 2 |
| http://backids.com/ | 2 |
| http://mynameislogan.com/ | 2 |
| http://auburnsummernight.com/ | 2 |
| http://linksroll.info/ | 2 |
| http://fuzzfizz.com/ | 2 |
| http://yoomark.com/ | 2 |
| http://votetags.info/ | 2 |
| http://dekut.com/ | 2 |
| http://biz-diggers.com/ | 2 |
| http://way2bookmarks.com/ | 2 |
| http://yomash.com/ | 2 |
| http://linksprocket.com/ | 2 |
| http://bloob.net/ | 2 |
| http://fargoparkscalendar.com/ | 1 |
Thank You for this list. I have been searching this list since long time as i was new to blogosphere.
Hey,
Many thanks for sharing such a wonderful list of bookmarking sites. Keep posting such a useful information….
Hi guys ……
Thanks for sharing this bookmarking sites list . its asy for me because my profile is same……….
thanks again……
it is very helpful information for my site.
Thanks Admin
It’s great list all is high pr.Thank you for share it.
nice list.
do add http://allshare.in to your list if possible
This is a great list but I would like to let you know that many websites’ domains are expired. You should check and update your list to save the visitors time.
I have tested all the sites when adding this post. I would appreciate, if you comment those websites which are not working.
dofollow social bookmark
http://www.kosmo.asia/
http://www.newfashionfor.us/
One more Dofollow social bookmarking site http://www.newstarlink.com
Thanks.
Great list. I have used most of these in the past, but find it very time consuming. Does anyone have any tricks or tips on ways to speed up the submit process?
Thanks!
That’s an nice list,I used technorati but i haven’t used it from some previous months….
list is ideal for sending the content to the social bookmarking sites. I will take advantage of it. Thanks!
Thanks for sharing some of the best links of social bookmarking as they are the best site and index soon on google