He leading search Engines, such ad Google, Bing and Yahoo! , Use crawlers to find pages for their algorithemic search results. Pages that are linked from other search engine indexed pages do not need to be submitted because they are found automatically. some search engines, notably Yahoo!, operate a paid submission service that guarantee crawling for either a set fee or cost per click. Such programs usually guarantee inclusion in the database. but do not grantee specific ranking within the search results. Two major directories, the Yahoo Directory and the Open Directory Project both require manual submission and human edition review. Google offers Google Webmaster tools, for which an XML sitemap feed can be created and submitted for free to ensure that all pages are found, especially pages that aren't discoverable by automatically following links
Search engine crawlers may look a number of different factors when crawling a site. Not every page is indexed by the search engines. Distant of pages from the root directory of a site factor in whether or not pages get crawled.
Search engine crawlers may look a number of different factors when crawling a site. Not every page is indexed by the search engines. Distant of pages from the root directory of a site factor in whether or not pages get crawled.
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