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ANSWER:
That depends on the search engine. Each search engine and directory has
its own set of Web site ranking and listing criteria. Generally, search
engines utilize proprietary ranking algorithms to determine the relevance
and hence the listing of a visited site. Most search engines use spider
technology when determining if a Web site's content is relevant to a submitted
search phrase. When deciding site rankings, search engines zoom in on
such Web site elements as Meta tags, keyword usage, page copy, and the
relevance of inbound hyperlinks. Web directories generally rely on human
editors, and site inclusion and ranking decisions are in the hands of
those editors. The editors decide if a suggested URL will be included
in the directory, and if so, in which category and subcategory it will
reside. Most directories present directory listings alphabetically.
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