Thursday, July 12, 2012

Link Building, How To Link Build and Calculate The Pagerank Weight of a Link

Not all links are equal. You need to examine the pagerank of the website and the number of outbound links from it in order to value the worth of the transferred link. Links should be relevant to the webpage you’re linking to. Do not use link farms or irrelevant websites with low quality content. This post explains how to calculate the pagerank of a link to gain maximum transferable value.
A recent Google algorithm update highlighted the fact of good quality links. Google Penguin is a code name for a Google algorithm update that was first announced on April 24, 2012. The update was aimed at decreasing search engine rankings of websites that violate Google’s Webmaster Guidelines by using black-hat SEO techniques such as keyword stuffing, cloaking, participating in link schemes, deliberate creation of duplicate content and others.
What are Link Schemes
A website Pageranking is partly based on analysis of those sites that link to you. The quantity, quality, and relevance of links count towards your rating. The sites that link to you can provide context about the subject matter of your site, and can indicate its quality and popularity. However, some webmasters engage in link exchange schemes and build partner pages exclusively for the sake of cross-linking; disregarding the quality of the links, the sources, and the long-term impact it will have on their sites. This is in violation of Google's Webmaster Guidelines and can negatively impact your site's ranking in search results. Examples of link schemes can include:
  •  Links intended to manipulate PageRank 
  •  Links to web spammers or bad neighbourhoods on the web 
  •  Excessive reciprocal links or excessive link exchanging ("Link to me and I'll link to you.") 
  •  Buying or selling links that pass PageRank 
The best way to get other sites to create relevant links to yours is to create unique, relevant content that can quickly gain popularity in the Internet community. The more useful content you have, the greater the chances someone else will find that content valuable to their readers and link to it. Before making any single decision, you should ask yourself the question: Is this going to be beneficial for my page's visitors?
Relevance in Link Building Works Best
It is not only the number of links you have pointing to your site that matters, but also the quality and relevance of those links. Creating good content pays off: Links are usually editorial votes given by choice, and the buzzing blogger community can be an excellent place to generate interest. 
How to calculate the Pagerank Weight of a Link
To increase the popularity of a web page, website owners need to link it to other relevant quality sites. Any back link from any webpage increases your website's Pagerank (except with no-follow links). There are two measures that need to be defined:
 (a) Pagerank and
(b) the weight of a webpage.
What is Pagerank?
 Pagerank is the overall ranking of a webpage where as the weight of a link from that page is diluted by the number of outbound links. 
So there is a difference between a passed PR weight from each web-page, depending on its PR and number of outbound links it has. The higher the number of outbound links on a webpage the lower the transferred weight of the link to your webpage.
Get Links
The best way to increase your website Google Pagerank is to get links from webpage’s that have a low number of links from them and their Pagerank is high. This weight is calculated based on the Google PageRank Formula. For your convenience, below SEO Synovation have provided a simplified explanation of Google Pagerank formula.
An Example of How to calculate the Pagerank Weight of a Link
Google’s Pagerank formula uses a standard weighting factor for each Pagerank. Re-produced here:
Pagerank Standard Weight
PR 0 = 1
PR 1 = 5
PR 2 = 25
PR 3  = 125
PR 4 = 625
PR 5  = 3.125
PR 6 = 15.625
PR 7  = 78.125
PR 8  = 390.625
PR 9 =  1.953.125
PR 10  = 9.765.6256

 The simplified formula used by SEO Synovation Web Marketing Agency looks like this and has been approximated:
Page Rank Weight of the Webpage of the Link
The number of links on the page plus 1 *85%
Values in the example:
An example: Your webpage page rank = PR 2
Link page rank = 6
Number of outbound links = 25 plus 1 = 26
Applying the formula: PR 6 = 15.625/26 *85% = 510.81 added to your existing page rank weight for PR 2 (25) = 535.81 or PR 3 as total value is less than PR 4 (625). Page rank of your page would increase PR 3.
Damping Factor 
The damping factor is a number representing the probability that an Internet surfer randomly clicking on links will eventually stop clicking. And according to the original paper on PageRank by Google it’s set to 0.85. This means that only 85% of the total links to that are counted in the calculation.
Pagerank Weight of a Link 
This is value in terms of amount of Pagerank that will be passed on to your each web page linked to from the web page you’re checking.
This formula has been simplified for convenience but gives an accurate approximation of the Pagerank weigh of a link. It shows very clearly to get links from Web Pages with high Pagerank (always difficult as most links are from home pages) and few links from them (also very difficult). The Pagerank weight of all links is then added together to ascertain the Web Page ranking. The more you have the better it is. There is just one caveat: Google only re-calculated and updates

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