Obtaining web directory links used to be a tactic that many used to drive SEO results, and many years ago, they used to work. However, with the exception of a very few high authority directories (such as Yahoo!’s directory, that of the Internet Public Library, very few directory links provide value any more. There are still thousands of directories out there that will try to draw you in to buying a link from them, and you should stay away from them.
It may be worthwhile to pursue four or five web directory links, but probably no more than that. The makeup of these should be restricted to the most authoritative sites, such as the Yahoo Directory (http://dir.yahoo.com), the Internet Public Library (http://www.ipl.org), Business.com (http://www.business.com), and maybe a couple of recognized authority sites that have directories of people in your industry. You can also try to get into DMOZ (http://www.dmoz.org) as well, though its authority has declined over time, and your efforts to get in there can be frustrated if the category you are pursuing does not have an active editor.
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