Important seo strategy to get high-quality rank and position
Being indexed
The leading serps, for example Google, Bing and Yahoo, use crawlers to access pages for their algorithmic listings. Pages which have been linked from other internet search engine indexed pages do not need to be submitted since they're found automatically. A number of serps, notably Yahoo, operate a paid submission service that certify crawling for either a set fee or cost per click.These programs usually guaranty inclusion from the database, but do not warranty specific ranking inside listings.Two major directories, the Yahoo Directory additionally, the Open Directory Project both equally require manual submission and human editorial review. Google comes with Google Webmaster Tools, for which an XML Sitemap feed is generally created and submitted without charge making sure that all pages are found, specially pages that are not discoverable by automatically following links.
Source: positionnement
Internet search engine crawlers may check a variety of factors when crawling a web site. Not every page is listed in the various search engines. Distance of pages from the root directory of any site will also be one factor in whether or not pages get crawled
