Whether or not we tend to admit it or not, directory listings are an important piece of the puzzle in the SEO and link building world. Almost any good web site promotion and launch begins with paid listings in Yahoo.com, Business.com, Best of the Web, and Microsoft’s bCentral.

Afterwards, you can always submit to the Netscape Open Directory Project, and wait years for a free listing.. but what kind of additional directory link building can one do after these most important Big 5 directories?

In order to help differentiate the strong directories from the weak ones, this article lists the top directories with PageStrength 5 and above from the Aviva Strongest Directories list.

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Related Link: Aviva Directory