How does social bookmarking gets lot's of links

Social bookmarking sites like digg, stumble, etc are becoming familiar. They also have very high page rank. how is it so. We bookmark our sites there but their page rank increases.

How is it? Whether it's like normal website link development or some thing special. I am planning to start one.

If you can also discuss how social bookmarking sites make money, it would be useful.


Please provide information on this

rajanmr

 

They are good sites. People link to good sites.

 

As stOx said popular sites get linked, think about it just about every paper in the country has had stories on all the listed sites and most of them also have online editions to there paper, meaning lots of backlinks. Also just about every blog on Earth links to them, again tons of backlinks.

 

Every time you put a button on your article or website for people to stumble or digg your stuff, that is a link back to their site. Considering millions of people are linking to the site, this gives the bookmarking sites millions of back links which builds PR.

 

They are a very famous sites and a lot of sites link to them.
The fact you're not linking to them means nothing because there are A LOT of other sites (many authority sites too) that link to them.

 

They got millions of traffic !
They can also increase PR

 

Traffic has nothing to do with pagerank.

 

I would like to do these bookmark. But my website contents still not good enough!

 

Social bookmarking sites make money like most other sites - they have advertisers who pay to advertise.

 

they have advertisers, they have backlinks from other sites, blogs and forums. The whole web world is linking to digg. that is the simple explanation

 

They are good sites and if you have noticed from using forums, most webmaster forums always have a bunch of posts saying things like "can I have a list of some of the bookmarking sites", etc. That along gives each bookmarking site within that list a 1 way back link.

Social bookmarking has become popular making people want to link to them. Some of them don't loose any PR either and also use the rel=nofollow tags.

 

Many people uses them is seo . they're useful.

 

people are creating a collective culture with social bookmark site because of this so many people are giving link to these web sites

 

thats wrong
get to page on digg or netscape.com that will give very good bost with your page rank

 

PR is entirely down to backlinks. Traffic doesn't effect pagerank at all. It's a fact.

 

One way digg, stumble and delicio keep their pagerank is that they have rel-no-follow on the links, so the pagerank doesn't get passed to the sites they link to.

 

i think digg is not using the rel-no-follow on the links. only stumble and del.icio.us do

 

I too think digg has no "no follow" tag

 

Why don't we just look?

<a href="http://nanocr.eu/2007/07/03/iphone-without-att/" target="_blank" onclick="gotoLink('2400568');">
Iphone Without AT&amp;T</a>

Code (markup):

They don't use nofollow, Case solved.

 

i know PR will be effected on backlinks ,what i mean to say is bookmarking sites give backlinks high pr backlinks