Social Bookmarking ini sangat bagus untuk meningkatkan traffik maupun SEO karena selain PR tinggi juga dofollow yang artinya dapat menjadi backlink berkualitas dari kumpulan daftar 40 situs berikut ini.

1. Digg.com PR-8
2. Technorati.com PR-8
3. Reddit.com PR-8
4. Slashdot.org PR-8
5. Readwriteweb.com PR-7
6. Boingboing.net PR-7
7. Lifehacker.com PR-7
8. News.ycombinator.com PR-6
9. Meneame.net PR-6
10. Techdirt.com PR -7
11. Metafilter.com PR-7
12. Nowpublic.com PR-7
13. Radar.oreilly.com PR-6
14. Techmeme.com PR-7
15. Fark.com PR-7
16. Voices.yahoo.com PR-7
17. Newsvine.com PR-7
18. Buzz.yahoo.com PR-9
19. Mixx.com PR-8
20. Sphinn.com PR-6
21. Valueinvestingnews.com PR-4
22. Dotnetkicks.com PR-6
23. Dnhour.com PR-4
24. Stumbleupon.com PR-7
25. Delicious.com PR-7
26. Diigo.com PR-7
27. Folkd.com PR-6
28. Buddymarks.com PR-5
29. Blogengage.com PR-4
30. Bizsugar.com PR-6
31. Votetags.info PR-1
32. Dzone.com PR-6
33. Kaboodle.com PR-2
34. Tumblr.com PR-8
35. Bibsonomy.org PR-7
36. Linkagogo.com PR-6
37. Cloudytags.com PR-4
38. Dropjack.com PR-6
39. Linkarena.com PR-4
40. Url.org PR-5