'Oh I Get' Welcome You!

Link and Page Rank

Why link important for search engines?

If nobody points to your site, the reasoning goes, why should the engines want to index it.
If nobody thinks your site is important, why should the search engine.

So, the more links pointing to your site, the more important the search engine will think your pages are.

Why search engine like link?

Links make it easier for search engine to find the page.
Search engines use the number of links pointing to a page as an indication of the page's value.
Links provide information to the search engines about the page they are pointing to.
Links not only bring search bots to a page but may also bring people to the page.

Page rank value is one part of how Google determine which pages to show when you search for something.
Web sites don't have page rank but web pages have page ranks.
Page rank algorithm:

PR(A) = (1-d) + d( PR(t1)/C(t1) + ... + PR(tn)/C(tn) ) , Where

PR = Page Rank
A = Web Page A
d = A damping factor, usually set to 0.85
t1...tn = Pages linking to Web Page A
C = the number of outbound links from page tn

As soon as a page enters the Google index, it has an intrinsic Page Rank.
A page has a Page Rank only if it's indexed by Google.
When you place a link on a page, pointing to another page, the page with the link is voting for the page its pointing to.
Pages with no links out of them are wasting Page Rank; they don't get vote for other pages.
A single link from a dangling page can channel that Page Rank back into your site.
Increase page rank two ways:
- Increase the number of pages in the site, although it's a small increase because the inherent Page Rank of new page is low.
- Get links to the site form outside.
The page receiving the inbound link gets the greatest gain.

'Toolbar.google.com' Or 'FireFox extension', download it and install.
Or, search 'pagerank tool', enter your url and get the page rank.
Getting page rank 1 or 2 is easy, but to push it to 3 or 4 is much harder. And to push to the higher is very difficult indeed.

Add rel="nofollow". Example: '<a href="http://www.ohiget.com" rel="nofollow">OhIget.com</a>'

You can vote large amounts of Page Rank through your site with a single link.
You can ensure Page Rank is well distributed around your web site by including lots of links.
A site should probably keep all new and old pages.