Search engines search entire Web?
For example, No. Search engines have millions of pages of THEIR DATABASES (Google indexes in close proximity to the eight billion alone), but none of them come up in the vicinity of indexing the entire Web, not to mention the Internet.What are the pages that they not?Invisible web, the largest repository of search engines does not have access to the databases private networks, is called intranets that are not actually Forms connected to the Web, such as ColdFusion or CGI-password-protected sites, such as the University Library sites that deliberately, for various reasons, such as information relating to keep their data is indexed by the search engine spiders
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