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So that's what it is. Produce original, substantial and valuable content, others will link to you in a natural manner. And Googlebot will find those "votes." And if you optimize well and all that stuff, your reward will be some pretty decent ranking. :)
Welcome to WebmasterWorld [webmasterworld.com]!
Quality content: Writing and/or illustrations of sufficient quality to attract other webmasters in your subject area, and cause them to want to link to you, thus establishing your site as an authority in your subject area and boosting your link popularity and page rank. If you do this right, you will get incoming links from other good sites without having to ask for them. In terms of marketing as opposed to SE link pop and Page Rank, putting up useful information that will cause visitors to tell their friends about your site. Example: An e-commerce store selling digital cameras which also includes a basic digital photography primer will do better than a site which just has the same old product photo, description and the same price.
In a nutshell: Be worth bookmarking.
Jim
I think that is 80% or more of theier way of working out quality content.
Having said that I am seeing pretty good evidence (and from other people's posts over the months here) that.
1. Google will detect duplicate content on your site or wnywhere else it exists on the public web.
2. It knows the difference between well formed paragraphs and taglines/lists of links etc
3. It MAY also take into account the number of bad (inoperative links) you have.
4. It knows who you link to. That does give some clues (admittedly limited) to the quality of your site, and its function, uncluding whether is affiliate based, hub or authority, commercial or informative or educational etc.
5. It knows how much you update <b>And by how much</b>. For many sites(bit not all) this is a good indicator of quality content.