Here are the Top 20 Social book marking Websites ranked by Google Page rank, Page Authority,Domain Authority and Alexa Rank.
| Rank | Name | PA | DA | PR | View Site |
| 1 | Facebook.com | 97 | 100 | 9 | facebook.com |
| 2 | Twitter.com | 97 | 100 | 10 | twitter.com |
| 3 | Pinterest.com | 97 | 100 | 9 | pinterest.com |
| 4 | Google Plus | 96 | 100 | 9 | plus.google.com |
| 5 | Tumblr.com | 96 | 98 | 8 | tumblr.com |
| 6 | Reddit.com | 96 | 99 | 8 | reddit.com |
| 7 | Stumbleupon.com | 96 | 99 | 8 | stumbleupon.com |
| 8 | Digg.com | 95 | 100 | 7 | digg.com |
| 9 | Metafilter.com | 87 | 84 | 6 | metafilter.com |
| 10 | Newsvine.com | 93 | 94 | 7 | newsvine.com |
| 11 | Folkd.com | 88 | 86 | 6 | folkd.com |
| 12 | Fark.com | 90 | 88 | 7 | fark.com |
| 13 | Scoop.it | 92 | 90 | 7 | scoop.it |
| 14 | Slashdot.ort | 91 | 96 | 7 | slashdot.org |
| 15 | Delicious.com | 94 | 99 | 8 | delicious.com |
| 16 | Bibsonomy.org | 82 | 78 | 7 | bibsonomy.org |
| 17 | Blinklist.com | 91 | 92 | 6 | blinklist.com |
| 18 | Hubpages.com | 90 | 88 | 6 | hubpages.com |
| 19 | Diigo.com | 92 | 94 | 7 | diigo.com |
| 20 | Kaboodle.com | 81 | 78 | 5 | kaboodle.com |
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