If you still don’t have a clue what do-follow is, do-follow is a simple attribute used within a link for the purpose of the search engines to give credit to a source. Links that point to a source containing this attribute, have more weight in helping to popularize a certain article to rank higher in the search engines – the reason why do-follow links are considered precious.
(List is organized by Alexa rankings)
- Digg – Alexa 110, PR 8
- Multiply – Alexa 222, PR 7
- Stumble Upon – Alexa 279, PR 8
- Reddit – Alexa 443, PR 8
- Mixx – Alexa 810, PR 8
- Mybloglog – Alexa 1,331, PR 7
- SlashDot – Alexa 1,345, PR 9
- Propeller – Alexa 1,684, PR 8
- Folkd – Alexa 1,896, PR 7
- Diigo – Alexa 2,236, PR 7
- Dzone – Alexa 3,045, PR 6
- JumpTags – Alexa 3,215, PR 6
- IndianPad – Alexa 3,287, PR 5
- Newsvine – Alexa 4,384, PR 7
- Mister-Wong – Alexa 4,625, PR 7
- Faves – Alexa 5,197, PR 6
- Connotea – Alexa 6,445 PR 7
- BackFlip – Alexa 7,319, PR 2
- SpotBack – Alexa 8,309, PR 5
- Spurl – Alexa 9,351, PR 5
- LinkaGoGo – Alexa 9,359, PR 6
- Searchles – Alexa 9,623, PR 5
- CoRank – Alexa 9,749, PR 5
- MyLinkVault – Alexa 9,817, PR 5
- Oyax – Alexa 10,958, PR 4
- BuddyMarks – Alexa 10,980, PR 5
- Kirtsy – Alexa 13,150, PR 6
- Tagza – Alexa 14,545, PR 5
- BookMarkTracker – Alexa 14,951, PR 4
- ShoutWire – Alexa 15,846, PR 5
- ClipClip – Alexa 16,226, PR 5
- SocialMedian – Alexa 17,914, PR 6
- Plime – Alexa 20,604 PR 5
- Yattle – Alexa 21,655, PR 3
- GiveALink – Alexa 22,620, PR 5
- BlogMarks – Alexa 24,382, PR 4
- DotNetKicks – Alexa 26,988 PR 5
- MyPip – Alexa 30,423, PR 3
- PinoyMug – Alexa 30,764, PR 3
- Tedigo – Alexa 35,125, PR 3
- Linkatopia – Alexa 38,994, PR 5
- Bringr – Alexa 59,740, PR 3