Social Bookmarking Sites:
| Website | PR | Alexa Rank |
| Google+ | 9 | 1 |
| Pinterest.com | 9 | 14 |
| Facebook.com | 9 | 2 |
| Linkedin.com | 9 | 8 |
| Xing.com | 9 | 331 |
| Reddit.com | 8 | 61 |
| Stumbleupon.com | 8 | 140 |
| Examiner.com | 8 | 499 |
| Delicious.com | 8 | 1234 |
| Citeulike.org | 8 | 12109 |
| Scoop.it | 7 | 604 |
| Slashdot.org | 7 | 1321 |
| Digg.com | 7 | 489 |
| Technorati.com | 7 | 2231 |
| Diigo.com | 7 | 2031 |
| Fark.com | 7 | 3016 |
| Newsvine.com | 7 | 3898 |
| Bibsonomy.org | 7 | 4678 |
| Scoop.co.nz | 7 | 24568 |
| Linkarena.com | 7 | 11548 |
| Squidoo.com | 6 | 750 |
| Segnalo.virgilio.it | 6 | 754 |
| Folkd.com | 6 | 2071 |
| Xmarks.com | 6 | 2310 |
| Dzone.com | 6 | 2723 |
| Metafilter.com | 6 | 3405 |
| Pearltrees.com | 6 | 4214 |
| Blinklist.com | 6 | 4521 |
| Mister-wong.com | 6 | 21541 |
| Gather.com | 6 | 17485 |
| Svejo.net | 6 | 14588 |
| Icio.de | 6 | 15247 |
| Myus.com | 5 | 4825 |
| Ebaumsworld.com | 5 | 1452 |
| Snapnames.com | 5 | 4987 |
| Bizsugar.com | 5 | 4758 |
| It.toolbox.com | 5 | 10478 |
| Pinboard.in | 5 | 18745 |
| Designbump.com | 5 | 14587 |
| Diggita.it | 5 | 21458 |
| Netvouz.com | 5 | 16587 |
| Blogmarks.net | 5 | 11555 |
| Pusha.se | 5 | 9854 |
| Socialmarker.com | 5 | 8885 |
| Kirtsy.com | 5 | 4457 |
| Bloombergcurrent.com | 5 | 80457 |
| Searchles.com | 5 | 145789 |
| Youmob.com | 4 | 9587 |
| Popscreen.com | 4 | 8445 |
| Blogengage.com | 4 | 9668 |
| Dealigg.com | 4 | 11457 |
| Linkagogo.com | 4 | 11458 |
| Givealink.org | 4 | 11004 |
| Offline.social-bookmarking | 4 | 10454 |
| 1888Pressrelease.com | 4 | 14877 |
| 1Look4.com | 4 | 12544 |
| A1-webmarks.com | 4 | 17844 |
| Myhq.com | 4 | 12450 |
| Factson37.com | 4 | 18455 |
| Colivia.de | 4 | 84578 |
| Blogospherenews.com | 4 | 35484 |
| Shetoldme.com | 4 | 23554 |
| Registertovotetoday.com | 4 | 33564 |
| Lilisto.com | 4 | 41524 |
| Wirefan.com | 4 | 25784 |
| Lintas.me | 4 | 2844 |
| Jodohkita.info | 4 | 3687 |
| Ngopost.org | 4 | 65877 |
| Linkatopia.com | 4 | 24587 |
| Linkroll.com | 4 | 74584 |
| Clipclip.com | 4 | 75855 |
| Haohaoreport.com | 4 | 76222 |
| Lamppr.com | 4 | 95554 |
| Blogmemes.net | 4 | 120548 |
| Allmyfavorites.net | 4 | 154874 |
| Panodigg.com | 4 | 254878 |
| Xinsf.info | 4 | 254874 |
| Yjtst.com | 4 | 105855 |
| Ejlhw.com | 4 | 457841 |
| Spletarna.net | 4 | 88541 |
| Deepskycolors.com | 4 | 104444 |
| Freelink.org | 4 | 848481 |
| Myweb.com | 4 | 65985 |
| Excesssolutions.net | 4 | 1184711 |
| Bligg.be | 4 | 48468 |
| Eyetype.org | 4 | 47266 |
| Explorebim.com | 3 | 3554 |
| Socialmonkee.com | 3 | 2587 |
| Newsmeback.com | 3 | 1587 |
| Url.org | 3 | 55874 |
| Bookmark4you.com | 3 | 5581 |
| Yemle.com | 3 | 14587 |
| Cyberplea.com | 3 | 5248 |
| Alplist.com | 3 | 85247 |
| Magicsubmitter.com | 3 | 18457 |
| Cloudytags.com | 3 | 21515 |
| Zabox.net | 3 | 25848 |
| Felmausa.com | 3 | 22884 |
| Canadiancurrent.com | 3 | 188841 |
