How Google Works -

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If you aren’t interested in learning how Google creates the index and the database of documents that it accesses when processing a query, skip this description. I adapted the following overview from Chris Sherman and Gary Price’s wonderful description of How Search Engines Work in Chapter 2 of The Invisible Web (CyberAge Books, 2001).
Google runs on a distributed network of thousands of low-cost computers and can therefore carry out fast parallel processing. Parallel processing is a method of computation in which many calculations can be performed simultaneously, significantly speeding up data processing. Google has three distinct parts:
Googlebot, a web crawler that finds and fetches web pages.
The indexer that sorts every word on every page and stores the resulting index of words in a huge database.
The query processor, which compares your search query to the index and recommends the documents that it considers most relevant.
Let’s take a closer look at each part.
1. Googlebot, Google’s Web Crawler
Googlebot is Google’s web crawling robot, which finds and retrieves pages on the web and hands them off to the Google indexer. It’s easy to imagine Googlebot as a little spider scurrying across the strands of cyberspace, but in reality Googlebot doesn’t traverse the web at all. It functions much like your web browser, by sending a request to a web server for a web page, downloading the entire page, then handing it off to Google’s indexer.
Googlebot consists of many computers requesting and fetching pages much more quickly than you can with your web browser. In fact, Googlebot can request thousands of different pages simultaneously. To avoid overwhelming web servers, or crowding out requests from human users, Googlebot deliberately makes requests of each individual web server more slowly than it’s capable of doing.
Googlebot finds pages in two ways: through an add URL form, www.google.com/addurl.html, and through finding links by crawling the web.
Unfortunately, spammers figured out how to create automated bots that bombarded the add URL form with millions of URLs pointing to commercial propaganda. Google rejects those URLs submitted through its Add URL form that it suspects are trying to deceive users by employing tactics such as including hidden text or links on a page, stuffing a page with irrelevant words, cloaking (aka bait and switch), using sneaky redirects, creating doorways, domains, or sub-domains with substantially similar content, sending automated queries to Google, and linking to bad neighbors. So now the Add URL form also has a test: it displays some squiggly letters designed to fool automated “letter-guessers”; it asks you to enter the letters you see — something like an eye-chart test to stop spambots.
When Googlebot fetches a page, it culls all the links appearing on the page and adds them to a queue for subsequent crawling. Googlebot tends to encounter little spam because most web authors link only to what they believe are high-quality pages. By harvesting links from every page it encounters, Googlebot can quickly build a list of links that can cover broad reaches of the web. This technique, known as deep crawling, also allows Googlebot to probe deep within individual sites. Because of their massive scale, deep crawls can reach almost every page in the web. Because the web is vast, this can take some time, so some pages may be crawled only once a month.
Although its function is simple, Googlebot must be programmed to handle several challenges. First, since Googlebot sends out simultaneous requests for thousands of pages, the queue of “visit soon” URLs must be constantly examined and compared with URLs already in Google’s index. Duplicates in the queue must be eliminated to prevent Googlebot from fetching the same page again. Googlebot must determine how often to revisit a page. On the one hand, it’s a waste of resources to re-index an unchanged page. On the other hand, Google wants to re-index changed pages to deliver up-to-date results.
To keep the index current, Google continuously recrawls popular frequently changing web pages at a rate roughly proportional to how often the pages change. Such crawls keep an index current and are known as fresh crawls. Newspaper pages are downloaded daily, pages with stock quotes are downloaded much more frequently. Of course, fresh crawls return fewer pages than the deep crawl. The combination of the two types of crawls allows Google to both make efficient use of its resources and keep its index reasonably current.
2. Google’s Indexer
Googlebot gives the indexer the full text of the pages it finds. These pages are stored in Google’s index database. This index is sorted alphabetically by search term, with each index entry storing a list of documents in which the term appears and the location within the text where it occurs. This data structure allows rapid access to documents that contain user query terms.
To improve search performance, Google ignores (doesn’t index) common words called stop words (such as the, is, on, or, of, how, why, as well as certain single digits and single letters). Stop words are so common that they do little to narrow a search, and therefore they can safely be discarded. The indexer also ignores some punctuation and multiple spaces, as well as converting all letters to lowercase, to improve Google’s performance.
3. Google’s Query Processor
The query processor has several parts, including the user interface (search box), the “engine” that evaluates queries and matches them to relevant documents, and the results formatter.
PageRank is Google’s system for ranking web pages. A page with a higher PageRank is deemed more important and is more likely to be listed above a page with a lower PageRank.
Google considers over a hundred factors in computing a PageRank and determining which documents are most relevant to a query, including the popularity of the page, the position and size of the search terms within the page, and the proximity of the search terms to one another on the page. A patent application discusses other factors that Google considers when ranking a page. Visit SEOmoz.org’s report for an interpretation of the concepts and the practical applications contained in Google’s patent application.
Google also applies machine-learning techniques to improve its performance automatically by learning relationships and associations within the stored data. For example, the spelling-correcting system uses such techniques to figure out likely alternative spellings. Google closely guards the formulas it uses to calculate relevance; they’re tweaked to improve quality and performance, and to outwit the latest devious techniques used by spammers.
Indexing the full text of the web allows Google to go beyond simply matching single search terms. Google gives more priority to pages that have search terms near each other and in the same order as the query. Google can also match multi-word phrases and sentences. Since Google indexes HTML code in addition to the text on the page, users can restrict searches on the basis of where query words appear, e.g., in the title, in the URL, in the body, and in links to the page, options offered by Google’s Advanced Search Form and Using Search Operators (Advanced Operators).
Let’s see how Google processes a query.

Copyright © 2003 Google Inc.
For more information on how Google works, take a look at the following articles.
Google’s page on Google’s Technology, www.google.com/technology/.
How does Google collect and rank results?, www.google.com/newsletter/librarian/librarian_2005_12/article1.html.
Google’s PageRank Algorithm and How it Works, www.iprcom.com/papers/pagerank/
Google’s PageRank Explained and How to Make the Most of It, www.webworkshop.net/pagerank.html

8 Ways How I got a Lot of Traffic Quickly to My Website- You Can Too :)

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I am going to put these in order of importance so the first item is the most powerful and make sure you pay attention to the first thing. 1.Relevant Content – Your website must offer fresh relevant targeted content updated regularly to get high page rank and high traffic statistics. Because people and search engines are not stupid, generally. They are not going to waste their time on a website that was put together quickly, poorly and or just for the sake of someone selling a product or trying to get them to click your ads. (Unless you are just a store) However even if you are a web store I would still put content on your website to get readers to your site. If you have an interesting web site people will come and visit. You must write articles or have others write articles for you. You can approach people in your niche to be a guest writer on your blog or website. Or you can sign up for a free service that will deliver targeted articles to your email box and you can post them all you have to do is make sure you include the link to the authors website. The place I go to get my articles isArticle Marketer 2.Getting Your Articles on Other Websites-- This is called link building it can be done in several ways. I will cover a few here that I did. You can post to blogs or forums making sure you always leave your web address, this works well and I have a steady stream of visitors coming from these links and have built several back links from this strategy. The downside is it takes time. You can also submit your site to niche directories. This has not worked well for me and I don't do this at all anymore, I spend my time activities that produce the best results. There are also websites out there that will submit your articles for you and that will produce a link to your site for each article submitted. I use a free service called Article Marketer for this. They will distribute your article for free to over 50 websites and you can submit many articles. They have a paid service that if you upgrade you can submit to over 3000 websites. However, I just use the free one, because right now I am using a free web provider synthesize, free email and free everything, until my website makes money to pay for stuff then I will upgrade. As of right now with the traffic my free site is bringing I should be upgrading soon. 3.Getting Articles on Other Website (continued)-- This is the same topic different method. I visited the top websites in my niche which is the Forex Market my site is Winners Edge Trading So I visited the top sites and I was able to get my articles published on two of those sites. One of these sites is called Forex FactoryThese are the top sites in my niche and now whenever I write an article they get published on these top sites. That brings me an increaseof traffic because of the links from high quality traffic sites. I was only able to get those links because I followed rule #1 great content. Plus, I was a little lucky. So now I am approaching a 3rd site and am attempting to get published with them as well. 4.Put Descriptions for your images-- in synthasite you can edit the properties of you image and you can put a description for that image. People search for images often and so if you have a description of your image people searching for that image come to your page. I get many hits from image searching. 5.Publish a newsletter—Put a sign up form on your website for a newsletter so that visitors who are interested in your relevant content they will be able to get information sent to them from you. Which you can use to bring them back to your site over and over. You can use a mailing service for this there is a free one called Mail Chimp or you can use a better one with more features that gives you a 15 day free trial and after that $9.99 a month called I Contact. A good way to get people to sign up is to give away a free ebook or other item. 6.Put the Right Key Words in Your Articles and On Your Website—If you want traffic from search engines find the keywords for your topic and put them in your site and in your properties section of your synthasite editor. 7.Write Creative Titles For Each Page-- Good titles and page descriptions will attract the search engines and people will click on them if they are interesting. Google hates the same title for each page on your website. 8.Write a Press Release Announcement-- You can do this and submit your press release and get some free exposure for your website. There are paid for press releases and free press releases, A good free one that I use is PR Log There are many other ways so If anyone has anything they would like to add please help us by sharing those here.