How Does The Yahoo! Directory Rank Sites?
A WebmasterWorld thread asks how Yahoo! ranks sites within the Yahoo! Directory. As I explained years ago with Yahoo! Directory Ranks Pages by Popularity, but let's look at an example close to home.
Yahoo! has a Search Engine Optimization (SEO) Resources section, where they list out sites included in the directory in order of "popularity." Here is it...

What makes one site more popular than the next? Let's look at another example close to home. The Internet Consultants New York section has my business ranking number one, above Agency and Razorfish.

Let's analyze...
RustyBrick.com has 70,032 external links via Site Explorer.
Agency.com only has 7,782 external links via Site Explorer.
But Evolution.com has a whopping 152,059 external links via Site Explorer.
So why isn't Evolution.com number one?
Let's look at the SEO category:
Search Engine Watch has 213,437 external links via Site Explorer.
WebmasterWorld has 275,587 external links via Site Explorer.
SEOBook has 283,855 external links via Site Explorer.
Search Engine Roundtable has 239,111 external links via Site Explorer.
All about the same.
How does Yahoo! define popularity?
By default, Directory site listings are presented sorted by popularity and relevance. Sites that are most popular with users or the most relevant to the category appear at the top of the site listings. The order of web sites or web documents is based upon Yahoo! Search Technology. If the category is large, the listings will display over multiple pages with pagination displayed at bottom of the page.
Sagerock at the WebmasterWorld suggest it is about click popularity. But I suspect it is a bit more detailed based on Yahoo! saying, "order of web sites or web documents is based upon Yahoo! Search Technology."
They can easily apply a popularity algorithm to the Directory and order pages by that. Now if we knew exactly how the popularity algorithm worked, then you know...
Forum discussion at WebmasterWorld.
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rustybrick in Yahoo! Directory at February 20, 2007 7:28 AM
Comments (8)

Comments
Its simple click popularity, always has been (atleast since they stopped listing alphabetically), thats why Yahoo records click-throughs.
A way to influence it is to sponsor a category with a new site. Clicks on those sponsored listings will contribute to your overall popularity and once you read enough popularity to be listed high naturally you can stop the sponsoring and you should hold onto the position since being listed high self reinforced your click popularity.
Also it isn't just directory clicks, but clicks from Yahoo's search engine as well. So if you're listed well in the search engine it is pretty easy to climb the directory popularity ranks.
Posted by Chris Beasley at February 20, 2007 10:34