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Profile of Google
Google is a play on the word 'googol', which was coined by Milton Sirotta, nephew of American mathematician Edward Kasner, to refer to the numeral represented by one followed by 100 zeros. Google's use of the term reflects the company's mission to organize the vast amount of information obtainable on the web and in the world.
Google make use of a system called PageRank (PR), in which web sites pass on values to one another based on the prominence of links also context in which a link is displayed. Whilst understanding PageRank (PR) would need hours of reading - in short, the more links coming into a site from legitimate sources pays off. By legitimate, I mean not of "link farms", "free for alls", or other seen-as-spam techniques.
Google wants to promote the most informative resources and they select to do this by measuring the quantity of information on a page and parenting site. If your competition has 3 pages of one topic, and you proffer 6 out of the gates - expect to leap frog them in the search engine results if you play the game correctly.
How Google works and finds pages :
Generally Google jumps from pages to pages Using the HREF and other hyperlink elements,
A miniature quote from Google webmaster info,
" Google's robots jump from page to page on the Web through hyperlinks."
We always have a likelihood to think that we don’t have ink from any sites, even I had one site which was brand new it was not even hosted completely but the right next day googlebot has all the 30 pages of the site in its index, I was actually puzzled how it got in and at last saw the link of this site where it was posted for review in a online coding site, so if you've link in some prominent site Google will certainly find your site and crawl it, it is only a matter of time before Google finds a site,"
A quote from the Google technology page regarding PageRank (PR).
PageRank (PR) Explained
PageRank (PR) relies on the uniquely democratic nature of the web by means of its vast link structure as an indicator of an individual page's value. Basically, Google interprets a link from page A to page B as a vote, by page A, for page B. However, Google looks at more than the sheer volume of votes, or links a page receives; it in addition analyzes the page that casts the vote. Votes cast by pages that are themselves "important" weigh more heavily and aid to make other pages "significant."
Important, high-quality sites receive a higher PageRank (PR), which Google remembers each and every time it conducts a search. Of course, significant pages mean nothing to you if they don't match your query. Therefore, Google combines PageRank with sophisticated text-matching techniques to find pages that are together important as well as relevant to your search. Google goes further than the number of times a term appears on a page also examines all aspects of the page's content (also the content of the pages linking to it) to find out if it is a good match for your query.
Ability to Update
Optimizing for Google is NOT just a one-time process. It takes the constant alteration of lots of variables including titles, headlines, and number of incoming links.