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When building a website and conducting search engine optimization, it won’t be long until you come across the term PageRank. People have obsessed about PageRank over the years, but what is it, and how exactly does it work? Being a responsible website design, and search engine optimization, company it has been our job to find out.

Google PageRank was developed in 1995 by Google creators Larry Page and Sergey Brin as a means to organize the mass of data that was forming on the Internet. In the early days of the World Wide Web websites were massed together on portals and bulletin boards and it was very difficult to find what you were looking for. Larry Page and Sergey Brin put their heads together at the Stanford University in California, USA and developed the PageRank system, which then led on to the Google search engine.

PageRank works by processing the linking structure that the web offers, to let the websites themselves decide what other websites are about, and how important they are. It works by counting the number of links a web page has pointed towards it by other websites. The logic is that if there are many websites pointing at a page of a single website, then that page must be pretty important. And if the anchor text, that is the words that contain the link to the page in question contain the words “blue widgets”, then logically that web page must be about blue widgets. Google the search engine would then serve up the page to anyone that is conducting a search for “blue widgets”.

PageRank is worked out on a scale of 1 to 10, with 10 being the most important. This is why in the early days of search engine optimization PageRank was considered very important for search engine optimization. A link to a website from another website which had a high PR would usually be enough to get a website on to the front page of Google. In fact it is a bit more complicated than that.

PageRank is itself a probability, so a number is always included between 1 and 0

A PageRank 1 means that a random exploration of the Google index (taking any page then following the external links) will lead to the site in 100% of the cases.

A PageRank of 0.5 means that the same will be true in 50% of any random exploration, which is already a very large number.

With 15 billions of pages in the index, any page would have a minimum PageRank of. 6,66666E-11 (or if you prefer 0,0000000000666666). All the pages in the index are sorted in ascending order on the PageRank. All the pages below a minimum are ignored and given a PR 0.

Then 90% of the first remaining pages are given a PR 1.

90% of the remaining 10% of the previous step are given a PR2

again, 90% of the remaining 10% of the previous step are given a PR3….and so on until PR10.

It means several things:

1) the more pages being added to the index, the more links you will need just to keep the same PR.

2) Within a same class of PR, different pages can have a large difference of real PageRank, and you’ll never know if a page is at the lowest limit or the highest limit of a given class. If a page is at the highest limit, just a few additional links may be needed to reach the upper PR, while another page of the same class may need thousands additional links to get to the upper PR.

Due to the way it is sorted, among the 30-40 existing PR10 pages, their real Page Rank could be 0,876543 for the highest and 0,3219876 for the lowest, which is a really huge difference, but both pages will display the PR10 green bar.

This could be developed further by considering if Google conducts explorations based on categories. It would make sense that for an exploration of the index for the key search phrase “web design” would yield around a billion results. It would then be much harder for a website that was in the category of web design to achieve a PR5, that it would be for a website in the category of “lawnmower repair”, in which there might only be around a million results.

PageRank is far less important for search engine optimization now than it used to be, but is still worth bearing in mind for search engine optimization campaigns that are aimed at competitive categories. It may be a lot harder to achieve PageRank in a competitive field, than in a non competitive field.

Just for the record this article was written by DeepSpaceDesign an innovative and ambitious web design and search engine optimization company based in the UK. Thank you for reading.

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You can either be a newbie or a seasoned veteran to internet marketing. Whichever category you fall into SEO will have a major impact on whether you survive online or not. You can ask anyone that is familiar with online success and they will confirm that they use principals of SEO to bring traffic to their sites. They know that traffic brings customers which will eventually increase their sales. If you also want success online, you will need to learn about SEO and how to implement it into your internet marketing.

SEO – Art and Science

SEO is used so frequently online that many don’t know that it is an acronym for Search Engine Optimization. That is the process which internet marketers use to build content on their sites to make it more relevant to the search engine queries by their target markets. Websites that have better optimized their sites with content for search engines typically are placed higher in the results of queries.

If you have a website which sells dinner ware which is optimized, it should earn a placement in the results of search engine queries for dinner ware or table ware. If you have done an exceptional job with the optimization you may even have placement for more general terms such as kitchen products. The end results are dependent on the SEO efforts made by the owner of the site to achieve higher placement in search engine results.

Explaining the Results Page

Every time that you use a search engine such as Google, MSN or Yahoo to query the search engines will return search results. The results page will contain many links with descriptions to sites the search engine feels are relevant to the query you just entered.

Take a closer look at the results page. As an example if you queried Web Directory on Google you will see that it returns about 127 million hits. Google is telling you that you could visit these 127 million pages and find information related to that query. However the odds are you will not have the patience needed to do that, but you will check through the results on the first page and possibly continue to see the results on the second or third pages. This is why anyone familiar with marketing on the internet will tell you that being on that first page of organic search results is priceless.

The question is how to get a site on the first page of results. Links are listed according to their relevance to search queries. The more relevant the search engine feels your site is to a query, the higher it will place on search results. To appear higher in search results takes good SEO practices.

What are Good SEO and Bad SEO

Sometimes internet marketing newbies feel they can trick search engines into ranking them higher in search results. They do this by simply filling their site content with targeted keywords thinking that will get them there.

It s a fortunate thing for web surfers and an unfortunate thing for newbies, that excessive things like this can be very harmful to a website. The same can also be said about attempts at SEO. There have been many attempts in the past to get higher rankings by inserting key words into site content and key sections of websites in an attempt to trick search engines. This is referred to as key word stuffing which offers little value and often confuses visitors with text which makes no sense. If you write an article to appear on your site which has keywords taking up 40% of the text, your readers will be confused with ridiculous wording and your attempts will appear desperate.

How to Implement SEO

The concept of SEO is a pretty simple one. Take keywords and key phrases which relate to your websites niche, then use them in sensible ways within your sites content to allow search engines to see the relevance of your site to your niche. It takes much more than just placing a couple of key words within a few paragraphs of text. Search engines have developed algorithms to spot well written, quality content vs. the keyword stuffed article through internal and external linking structures around the content. You need the relevant content and you need popularity for that content.

How does a newbie achieve this? It really comes down to research. You should know the keywords used in search engine queries that your site appears in and those that bring visitors to your website. An extension of this is which of these actually end in a conversion or sale. Examine the keywords and find the ones you need to use within your content to zero in on your target audience. Make sure that you have content which is real, honest and offers quality information. This method and directory submissions will bring links to that content and make your site more relevant.

Even a newbie has the right to get free traffic - learn how to do that.