Social bookmarking allows web users to search, share, organize, and store the bookmarks of different web pages. This can be done publicly or privately (in private groups), or a combination of the two. People who are allowed to view the bookmarks can view them using a variety of different functions to sort and tag them.
Most of the services that provide social bookmarking encourage you to organize bookmarks with informal tags. They allow bookmarks to be viewed with their associations to the tag, including information on the users that bookmarked those sites. Some services will even have RSS feeds for their lists, and you will be alerted when new bookmarks are shared, tagged, or saved.
The tagging and descriptions used in bookmarking is referred to as external meta data and can have huge benefits in SEO, because the information used in the tagging is not controlled by the site owners, but by the public. In essence, the information in external meta tags should be much more valuable than external inbound link anchor text or directory co citation. Especially if there are hundreds or thousands of users tagging these sites.
NoFollow is a non-standard HTML attribute value which is used to police the outbound link value of user generated content, especially blog commenting. NoFollow is used to communicate with search engines to tell them that a link should not be used to pass on link juice, or “PageRank”.
The idea is that it will help reduce people who spam links, making sure that search engines get better results when keywords are searched, and many social bookmarking sites havee implemented this strategy. However, there are social bookmarking sites that do not use nofollow in their HTML tags, and this is important for you to understand when you are developing your social SEO strategies.
Social Bookmarking Sites Which Don’t Use NoFollow
- Listible is a newer social bookmarking site, and it is very random. You can start a list about anything from TV theme songs to Firefox extensions. Users can then rate items and leave their comments.
- Furl, one of the services offered by LookSmart, allows you to copy web pages and then save, search, and share them. This social bookmarking site is great for everything from job searches to research papers to shopping lists. You can access Furl from any computer, and your favorites are always accessible.
- Yahoo My Web 2.0 Beta is a social search engine, meaning that people and the search engine technology work in harmony to create the optimum search experience. You can browse by keyword or search out interesting subjects. It offers you a way to bookmark and network simultaneously.
- Propeller is a hybrid of social bookmarking and social news sharing, with a voting system like Digg and hot stories, but it’s also owned by AOL, uses organic links in its stories, and also includes bookmark style tagging.
- Flickr gives social bookmarking a different spin – the site is all about photos. You can upload and tag your favorites, and then other users can bookmark them and share them with their friends. You can even leave comments as to why you like or do not like a particular image. Flickr lets its users place an HTML link in their photo descriptions - perfect for high rankings and relevant link juice.
- Digg.com can get a little crazy and confusing, since it is open for anyone to post sites and leave comments. The users of Digg.com are not shy about telling the world how they feel about different sites (especially if your story or ‘bookmark’ makes the homepage after receiving enough votes), and most of the posts are featured around technology items.
- Technorati Faves is a great place to bookmark sites on an authority social site without having the use of NoFollow cast a shadow on your links.
- Slashdot is the original when it comes to social bookmarking sites. Slashdot offers both personal bookmarks and summaries of stories which may or may not be approved to make it to the homepage. Users can submit links and stories and have other users leave comments. Submissions do have to be pre-approved, which is a downside for some users.
- Searchles is a social bookmarking oriented search engine with tagging, video upload, groups and voting. It’s also run by a search company, DumbFind, so they’ve made it extra search engine friendly.
Know of any more social bookmarking sites which don’t use NoFollow? Add some in the comments at the end of this post.
With your knowledge of the top social bookmarking sites that do not use nofollow, you can appropriately add these to your linking strategy. Remember, if a social bookmarking sites uses nofollow links, then your website will not garner the link juice benefits from these backlinks.
The Real Power of Social Bookmarks
However, don’t overlook the power of social bookmarking, especially for the major sites which use NoFollow, because their tags and external meta data can still be used to qualify and classify major sites. Del.icio.us and StumbleUpon should be your major social bookmarking sites to join because even if you don’t get the longterm link benefits of a No Follow, you’ll have the long term benefits of external meta data, votes and traffic (Delicious and StumbleUpon combined drove about 10,000 users to this story about using Images in Blog Posts over the past two days.)
Here’s a recap from a story I did in August about the direct influence of social bookmarking on search engines (read the whole thing).
How Search Engines Can Use Social Bookmarks
Monitoring social bookmarking services like Del.icio.us, StumbleUpon and Ma.gnolia can help search engines in multiple ways by:
- Indexing Sites Faster : Humans bookmark sites launched by their friends or colleagues before a search engine bot can find them.
- Deeper Indexing : Many pages bookmarked are deep into sites and sometimes not as easily linked to by others, found via bad or nonexistent site navigation or linked to from external pages.
- Defining Quality : If someone takes the time to bookmark a site, it usually has some quality to it.
- Measuring Quality : Essentially if more users bookmark a page, the more quality and relevance that site has. A site with multiple bookmarks across multiple bookmarking services by multiple users is much more of an authority than a site with only several bookmarks by the same user.
- External Meta Data : Users who bookmark sites tag them with keywords and descriptions which add an honest and unbiased definition which is created by the public and not the owner of the site.
- Co Citation : Social bookmarking sites tend to categorize sites and pages based upon the tags used by humans to describe the site; therefore search algortihms can classify these sites with their peers.
In addition, by indexing the social measurement variables such as commenting and votes at Digg, Reddit, Netscape and various niche oriented (all of those Pligg powered hubs), search engine algorithms can also benefit from social news sharing sites by:
- Number of Votes : Similar to the number of bookmarks, the more votes a page receives on Digg or Reddit, the more useful that information usually is. If the same page receives multiple votes across multiple social news voting sites, the higher quality the site.
- Categorization : Like Co Citation, categorization can help define the subject of a site, therefore better helping the engine address searcher intent.
- Commenting : The number of comments can be compared to the number of votes, the higher the comment to voting ratio, the more relevant the news story or site was to the user; therefore, more relevant to the searcher.
- Relevant Sites : Techmeme and Propeller (and hopefully soon Digg) suggest relevant pages and sites to the stories which make their ‘popular’ categorical pages via intra-linking or blog index monitoring. Engines can learn from these projects to help users find alternative or relevant selections in their search results.
To the best of my knowledge, no search engines are currently implementing all of these theories into their current algorithms, but we cannot overlook that Microsoft and Google are/were partners of Digg, Yahoo owns Del.icio.us and AOL runs Propeller (Netscape). These social services also offer API’s and are completely open to search spidering, which makes these variables mentioned above available to search engines for the taking.
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Comments
90 responses so far ↓
Char on Nov 15, 2007 at 9:28 am
I am reasonably sure that Sk*rt does not use nofollow.
Brendan Picha on Nov 15, 2007 at 12:07 pm
Don’t forget Q&A service http://www.fluther.com
giok on Nov 15, 2007 at 12:40 pm
http://en.coolest.ws/ is a new site (2 days!) and doesn’t use “nofollow”. The Italian version, instead, http://www.coolest.ws/, will use that.
uk visa on Nov 15, 2007 at 1:04 pm
Thanks for the list but I think it would be a good idea for SEJ to explore the effectiveness of no-follow.
Many of us are not convinced that Google are able to do as much with no-follow as they’d have us believe.
Frederrick Abrugart on Nov 15, 2007 at 1:22 pm
A very good post. No follow tags sems to be the trend since Google last PR update. I wonder what will be the long term impact on link building strategy
Varun on Nov 15, 2007 at 5:06 pm
Check out this firefox add-0n — shareaholic (available at shareaholic.com). enables you to track digg and del.icio.us submissions. useful.
Clocktower on Nov 15, 2007 at 5:36 pm
Once SEO’ers found the importance of inbound linking, link farms and paid directories came to be. Now, Google (among others) panelize link farms and links from paid directories. Looking to the future, what would stop SEO’ers from creating “social bookmarking farms”? If this happens, the power of social bookmarking will be diluted.
Gunjan Pandya on Nov 16, 2007 at 1:23 am
Some of social book marking who using Nofollow, they are not useful fr getting the benefit of backlink but they are useful for getting traffic like Stumbleupon.
tyler dewitt on Nov 16, 2007 at 2:25 am
LOL Loren now what your buying social bookmarks lol
tyler dewitt on Nov 16, 2007 at 2:26 am
Great article though!
Wayne Smallman on Nov 16, 2007 at 8:06 am
There’s a lot to be said for throwin’ a little link luv’ around, and it’s heartening to see the big guys playing nice…
Jon Clark on Nov 16, 2007 at 1:28 pm
Great list! Thanks for sharing!
tony scott on Nov 17, 2007 at 6:27 am
Great list thanks
Adult DVD Store Online on Nov 17, 2007 at 6:47 am
Does anyone know if google uses no follow tags for its blogger?
Dellpass on Nov 17, 2007 at 6:41 pm
This entire nofollow thing has gotten way out of control in my humble opinion.
Amit Nyamtabad on Nov 17, 2007 at 10:38 pm
That is really a very nice list & thanks so much for sharing.
Brian Hawkins on Nov 18, 2007 at 10:05 am
Yes Adult DVD Store Online, unfortunately Blogger does use no-follow tags. The tags are automatically generated in user comments. In their Blog they say it’s due to comment spam. Here’s the post. I used the no follow tag on that link just for spite because they’re already at the top of the list.
Brian Hawkins
Jeremiah - Simpletiger on Nov 18, 2007 at 10:40 pm
Great post! Very useful information. I actually posted a quick article summarizing the use of social bookmarking and linked here. Thanks!
Bob on Nov 19, 2007 at 1:21 pm
I wish it wasn’t but Search Engine Optomization (SEO),
is a part of a webmasters life. SEO is the daily battle
to keep ahead of the search engines, especially Google.
It is very much like a Salmon swimming upstream. Every 3
months Google changes everything in the way they do
things as far a their search results go (SERP). That only
means I have to throw out the window at least 1/3 of the
things I was doing to get their attention. One thing that
always works is back links from other web sites. Up at
the top of the comment section here there is a place for
your Name and Your Website. That is there in case people
would like to go to see what you are all about. On any
other web site that link would also count as a backlink if
Google ever came over here and spotted it. Google insists
that blogs have a word called “NOFOLLOW” in their code so
it knows not to count that address as a back link. So I
looked around and found a little piece of software that
defeats the NOFOLLOW code under the Name. It is a Word
Press Plug In that you install in your wp-content/plugin
directory and just activate in your plug in admin site.
Easy and fast. To get this for yourself just go to the web
site under my name and look for the nofollow button and
download and unzip the code. Don’t forget that if a person
gets a link he is more liable to come back and make more
comments. The more comments you get the more people Google
will send. Have fun. Bob
Nick on Nov 20, 2007 at 6:04 am
Slashdot uses nofollow at least partially. To get sure whether the site uses nofollow just check the source code of a target page.
fantastic on Nov 21, 2007 at 11:27 pm
This website uses the nofollow tag for its comments.
Tony on Nov 22, 2007 at 11:15 am
Another social bookmarking site that doesn’t use ‘no-follow’: FuzzFizz (http://www.fuzzfizz.com)
D on Nov 22, 2007 at 10:40 pm
no-follow is a no-go.
seriously SEO seems to be art of making people believe ANYTHING will have an impact on their SERP.
Everything scales periodically to shift those who try the commonly termed black-hat approach to fail. Why not focus on proper content, proper site building, and genuine links? Probably because thats not SEO. Thats common sense. Your not trying to bluff your results, your not trying to decypher the SE’s algorithm, your not charging others for the fake attempts to get their listing higher.
SEO is a royal joke. That seems lures a large number of tools to play its game.
SEO Expert on Nov 23, 2007 at 5:20 pm
Good point on Digg and Stumble Upon. Just because the NOFOLLOW attribute may be applied to links, does not mean that it is useless as a marketing strategy. It juat might not help your short term goals for SEO.
apple iphone on Nov 25, 2007 at 6:42 am
Hello,
Thanx for sharing the list…. I think recently someone released a script to find blog which doesnot use nofollow tags.
PG
SEO on Nov 27, 2007 at 8:27 pm
I believe there is some value in no-follow links, although they don’t directly pass any “link juice” they still appear to have a small effect on rankings.
Also it mixes things up a bit in your link profile.
Every little bit heaps ;)
Victor on Nov 28, 2007 at 9:44 pm
I am not sure about this but, I guess, Sphinn also doesn’t have a No follow tag on the links on the Web pages.
Am new to SEO and not very sure how it works, but I wasnt able to see any No Follow attribute in the Page Source on Sphinn, except for the Ads!
Please correct me if I am wrong!
Lazar on Nov 30, 2007 at 6:02 am
If you bookmark a site from lets say stumbleupon (using nofollow), than you probably will be less likely to also link to it from your site or blog, and therefore, that site will not get PR juice. Even if you link from your blog, Blogger and Wordpress have by default nofollow, and I think typepad too. MOST bloggers probably don’t even know or care about nofollow issue. Therefore, since the introduction of nonstandard nofollow tag, ‘natural’ links are diminishing more and more.
There is more to the PageRank story:
http://seolutions.net/blog/nofollow-monstrosity
Lazar on Nov 30, 2007 at 6:06 am
… since the introduction ….
AND because of increased use of social web services that don’t trust their users.
Safaris on Nov 30, 2007 at 1:10 pm
Nofollow is definitely a nofollow for the google spiders. there are always these myths, that noffollow-tags do not matter or at least there is a bit of linkjuice passing.
A german SEO did a test over months and after months, some selected sites, which which received links with a nofollow-tag did not appear in the Google-results - no effect whatsoever…
The link to this experiment (in german):
http://seo-marketing-blog.de/goatix/google-nofollow-experiment/
Utah SEO on Dec 2, 2007 at 3:58 am
So Digg isn’t only followed if you make the homepage or what?
Third Hatch on Dec 3, 2007 at 1:30 pm
There are some interesting points on this thread. I have to agree with D up above. The real solution to this is to actually provide something of value and maybe promote it a little. The links will come if value is there to begin with. It is not SEO science, it is common sense.
SiN2.0 on Dec 3, 2007 at 1:42 pm
Our website, SiN2.0, was produced to allow people to find the best stuff in the adult world, but also to help noobs get some links for their new, but still remarkable, website. No NOFOLLOW here…
Indian Bookmarking site on Dec 9, 2007 at 1:29 pm
Hello
Nice collection of Top Bookmarking sites. I just came across another indian Bookmarking site.
http://www.Tagza.com
Mostly you will find every kind of links there.
SEO Expert on Dec 9, 2007 at 1:42 pm
Nice. Thanks for the info. I just visited it.
Easy Online Money Making on Dec 11, 2007 at 9:58 am
Wow that sucks, didn’t realize SU didn’t use following links, either way though it helped my search rankings enormously (from yahoo, no google help yet). Within one day I got like 400 hits from StumbleUpon and from there I went from not within 1000 for any keyword on yahoo to #1 search placement for a keyword with 109 million competitors.
EarnBlogger on Dec 14, 2007 at 9:24 am
Very useful information for bloggers. These sites are great for SEO ! Thanks.
Easy Online Money Making on Dec 15, 2007 at 2:39 pm
Great information, I’m already using a few of this techniques but I’ll look into the rest of them as well and see if they are relevant to my site, for instance technorati is a service people have suggested to me, yet I don’t have a blog.
William on Dec 15, 2007 at 5:48 pm
Hi,
http://www.npgb.org (PR5) does not use the “nofollow” tag…
- William
giok on Dec 15, 2007 at 7:45 pm
William, I think a site which uses a redirected link is not more useful than a site with a “nofollow” attribute. In any case, NPGB is not so bad ;-)
Bong (JB) on Dec 17, 2007 at 5:46 am
Thanks for the list. I’ve searching for social sites without noFollow. :)
Vimlesh Kumar on Dec 22, 2007 at 6:34 am
Well resources, I deserve to use a few of this techniques.
Douglas Karr on Dec 29, 2007 at 2:48 pm
May want to add Mixx to this!
joe leighton on Jan 10, 2008 at 2:21 am
hi loren….great article. great tips. thank you, thank you & thanks again.
much of my marketing is done via videos posted to youtube, myspace & about 25 other video sites. as you know, these video sites assign a unique URL to each video.
do you reckon that posting these URL’s (with title, tags, etc.) to social bookmarking sites will increase the SE ranking of these videos?
thanks in advance for the professional advice. regards, joe
ps. all comments welcome.
Hid Conversion Kits on Jan 11, 2008 at 5:25 pm
Is there a way to use google to search for dofollow pages?
SEO TIPS on Jan 11, 2008 at 5:56 pm
http://www.ezbusinessneeds.com/dofollow.php
__________________
this tool uses Google search to find DoFollow Blogs
Hani on Jan 14, 2008 at 10:48 pm
Thanks for the list. I’m not clear on how submitting to nofollow bookmarketing sites would be much benefit unless you are relying on click through traffic?
Hani
http://www.internetmarketing2.com
Razvan on Jan 15, 2008 at 9:55 am
With http://www.socialmarking.com you can easily bookmark any site to 130+ social bookmarking services, most of them without nofollow.
SEO_India on Jan 17, 2008 at 12:36 am
Hi thanks for the list. But I have a question. If I want to put social bookmarking sites book mark icon on my own site then from where I can get code for this? and can I modify it in my own way? I want to put social media icons at the footer of my site in a row. So please assist me.
Regards
http://www.india-designers.net/
MSN hacken on Jan 17, 2008 at 2:18 pm
I love this kind of thing!
Credit Card Rewards Lover on Jan 24, 2008 at 1:52 am
I just sign up yesterday for the few bookmarking sites and I can see more traffic from those sites. Thanks for the list.
Doug on Jan 24, 2008 at 2:18 pm
you might always want to add http://www.upchuckr.com to the list
North Carolina SEO on Jan 24, 2008 at 9:57 pm
Just stumbled upon these two sites that really help cut down the time it takes to submit to numerous social sites.
http://www.posttoaster.com/ (shows social networks which are dofollow)
http://socialposter.com/
William on Jan 25, 2008 at 1:06 pm
Giok,
Trust me. I have tested the quality of such social bookmarking websites, and they have a hugh impact on your SERP ranking…
Have a great day,
:)
Search Marketing Specialist on Jan 26, 2008 at 10:58 pm
So, when will the time come that Google discounts the links coming from social bookmarking? It always seems Google is quick to discount the impact of quickly obtained links - reciprocal, paid, etc. Is social next?
Cash on Jan 30, 2008 at 10:16 am
Very good article. The importance of social bookmarking has long been overlooked. Just the power of many links in Myspace can have a dramatic impact on traffic.
Daytona Beach Condos on Feb 1, 2008 at 8:50 am
a few that i have found include: sphinn, bumpzee, stumbleupon, and more.
North Carolina SEO on Feb 1, 2008 at 9:14 pm
@Daytona Beach Condos - I’m pretty sure both stumbleupon and sphinn utilize nofollow.
Home Drug Testing on Feb 3, 2008 at 3:57 pm
Some excellent advice! Socialmarking.com looks like a good resource too .
vijay on Feb 8, 2008 at 4:25 am
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Cheap Snowboards on Feb 8, 2008 at 11:36 am
This is an incredibly useful list - we need to find somewhere to keep it continually updated when we find nofollow bookmarking sites. I know LinkedIn lets you keep 3 nofollow links with anchor text on your profile page.
Honest Webhosts on Feb 9, 2008 at 11:05 am
I wish stumbleupon was dofollow but it is not. del.icio.us is nofollow though it is the most efficient in bookmarking sites.
Search Marketing Specialist on Feb 9, 2008 at 11:15 pm
@vijay - ever wonder why blogs started using nofollow? Perhaps to prevent spamming? Just a thought ….
web copywriter on Feb 14, 2008 at 1:06 pm
Thanks for sharing this list! Very interesting your idea about how the search engines misure the sites’ quality throught social bookmarking!
Dave Foreman - Interactive Limited on Feb 17, 2008 at 4:01 pm
No follow free comments are on many SEO blogs like this one. I have no idea how you control the comment spam though. Any tips on that? As i would sure like to take the link condoms off my site.
Brian Hawkins on Feb 17, 2008 at 7:53 pm
Did any one mention MyBlogLog.com? They have search engine friendly links: http://www.mybloglog.com/
Molly on Feb 19, 2008 at 7:12 pm
Excellent social/personal bookmark organizational site to check out: Xerpi. Organic, visual system of drag& drop menus, access to community public favorites allows you to quickly tailor your ‘web surfs’ to your ‘web-favs’. Also features some very helpful and efficient navigation tools that keep your mouse clicks to a minimum. Go to www.xerpi.com
typed on Feb 21, 2008 at 5:11 pm
I would like to know how much credit is given by the different engines to links with a no follow in there
umer on Feb 26, 2008 at 6:51 am
thanks man, your list is very coooool..:)
I also wish if Stumbleupon use do-follow links.
Dan Root on Mar 5, 2008 at 5:47 pm
I believe since this article was published, that Flickr has started using NOFOLLOW tags on their site. Oh well. :(
CBR on Mar 6, 2008 at 7:41 pm
Plenty of bloggers are moving towards dofollow which is a good move. I’m not sold on delicious and stumble for every industry however. I use digg and propeller quite a lot to get pages indexed.
nancy on Mar 8, 2008 at 2:53 pm
I m new to all this blog and search engine stuff. recently completed a diploma in web designing so i was trying my hands on blogs and was researching on this link love and link juice and this no follow stuff you people are talking about. To be very honest.. this blog really helped me in knowing a lot about how this no follow and link stuff works and it also guided me to the right places to find it . so who ever is behind this wonderful blog i wanna thank him a lot… nancy
jrocool on Mar 9, 2008 at 8:48 pm
We are the company developing brand new search enigne on top of public social bookmark collections. Now we are in invitation-only private beta stage, if you are interested in
please visit us and drop a line.
http://www.tusavvy.com/
Val on Mar 11, 2008 at 6:26 am
Take a look at http://www.entopica.com/, a new online system that allows you to easily access, categorize, share and store your bookmarks online.It is free to join and registration is both quick and easy. Discover a whole new world of social bookmarking.
Joshua on Mar 24, 2008 at 2:11 pm
Social bookmarking seems to be the new thing in marketing and SEO. Great site.
Brent on Apr 5, 2008 at 11:02 pm
The DoFollow sites I really love are Google.com/Bookmarks, Mister-Wong.com, and Reddit.com - love the traffic. Also, keep in mind that as of a few weeks ago or so StumbleUpon is NOW a DoFollow site. So Stumble your site if you haven’t already!
jacobmatthew on Apr 14, 2008 at 1:01 am
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Space-Ed on May 2, 2008 at 8:22 am
please add space-d.com to your list.. we are dofollow and pr3.
joe on May 5, 2008 at 4:04 pm
Bookmarks-sites.com site gestion de favoris en ligne.
http://bookmarks-sites.com/
trinityOne on May 7, 2008 at 5:28 pm
Even this Review Bookmarking site is DoFollow site…
sleuth1 on May 14, 2008 at 5:14 am
Hi Loren , I have done a little research and although many Pligg based Social Networking / Bookmarkers don’t use the rel - no follow attribute in their links ( as can be checked manually or by various tools ) the linked URLs seemed to be re directed by script , which means many spiders can’t follow them , this is not the same as the no follow tag on the hyperlink itself Some one who knows the pligg code and also how re direction effects links , may be able to shed some light — for instance Furl appears to be “do follow” , but have never seen INlinks appear for it Also thanks for the continued high quality articles
waterpoweredcar on May 28, 2008 at 10:04 pm
thanks.
i will use this method.
jiangson on May 28, 2008 at 10:38 pm
Thanks for the list. I’ve searching for social sites without noFollow. :)
ahmadisa on Jun 1, 2008 at 1:40 am
yahoo…it’s cool bro.
captain on Jun 1, 2008 at 1:42 am
Thanks for the list. I’ve searching for social sites without noFollow. :)
stoner on Jun 1, 2008 at 1:43 am
very fast to pagerank…
john on Jun 1, 2008 at 1:46 am
visit my blog….
OnlineJamm on Jun 4, 2008 at 2:33 am
It neat to see how some of these social bookmarking sites are holding up. May because of the rush to bookmark sites, some of the sites are having issues holding up. Thanks for the nice list … will dofollow on the links
Eric on Jun 13, 2008 at 2:14 pm
Thanks for the great list and in depth explanation of these sites. I found it extremely helpful as I am new to SEO.
Tylester on Jun 20, 2008 at 1:31 pm
Here are 2 dofollow:
http://www.kapely.net
http://www.letsbookmark.net
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