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Thursday, July 12, 2012

Google Penguin - Google Algorithm Lates update


Google Penguin is a code name for a Google algorithm update that was first announced on April 24, 2012.The update is aimed at decreasing search engine rankings of websites that violate Google’s Webmaster Guidelines by using

Black-hat SEO techniques  such as

1. keyword stuffing, -- illegal search engine optimization (SEO) technique. 

a.Keyword stuffing occurs when a web page is loaded with keywords in the meta tags or in content. The repetition of words in meta tags may explain why many search engines no longer use these tags.

 b.Hiding text from the visitor is done in many different ways. Text colored to blend with the background, CSS "Z" positioning to place text "behind" an image

 c."Noscript" tags are another way to place hidden content within a page. While they are a valid optimization method for displaying an alternative representation of scripted content, they may be abused, since search engines may index content that is invisible to most visitors.

2. cloaking,

Cloaking refers to the practice of presenting different content or URLs to users and search engines. Serving up different results based on user-agent may cause your site to be perceived as deceptive and removed from the Google index.

3. participating in link schemes,

 
Your site's ranking in Google search results 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 Page Rank
  • Links to web spammers or bad neighborhoods 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
 
4.deliberate creation of duplicate content, and other-  intentional creating a duplicate content

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