After engines like google have crawled net pages, they are able to extract the content material from the pages themselves and upload it to their indexes. In that manner, they could decide if they assume the web page is of sufficient quality to rank properly for the relevant key phrases (Google created a quick video to give an explanation for this).
In making this selection, search engines like google
together with google and yahoo are no longer the easiest to keep a web page,
they are additionally examining the variety of hyperlinks that factor to this
internet web page from outside web sites, and the remarkable ones from these
outside websites.
HERE IS THE LINKS
