most of those sites use the nofollow tag, so they won`t work as backlink`s, on google at least.
Can anyone explain why they do this? "They" including StartupNation?
I can not answer specifically for "them"... but, there are essentially a few reasons to use a nofollow tag:
- It prevents the link to be indexed (by Google). Different search engines treat nofollow differently.
- It is used to control of page rank. Simply stated, nofollow stops your page rank from leaking to linked external site. - although some argue the effectiveness of this practice.
- Similarly, stopping page rank leak to less important internal pages.
However, sites (especially forums, blogs, and directories) that employ nofollow become less valuable to the website owner who posts on the forum, blog, or has a directory link.
In other words, my post on a forum that does not use nofollow helps my site (SEO) more than a post on SUN.
vwebworld5/6/2009 2:10 PM
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