Google搜索引擎的排名原则

来源：中国搜索引擎研究网　　作者：佚名

　　您知道Google一共参考了多少个排名的原则么？在google的网站里面，Google自己承认超过100个，但是实际上呢？告诉各位绝对不是只有100个，举个例子，时间因素没有提，镜像因素没有提，重复问题没有提，网页结构没有提，中文的处理方式更不可能提了（其实google对中文的处理还是很幼稚的）......，其实Google绝对不会把他们的家底透漏出来，否则Google就不用混了。

　　各位可以在Google的网站里面找到以下他们承认的一些因素。

End User Features  

• Google quality and ranking  
  For each queryGoogle factors in 100 variables including anchor text URL patterns fonts and positioning data to calculate relevance.  
• Dynamic page summaries
  Search result summaries contain dynamically generated snippets of text that show how your query was used on the page.  
• Results grouping
  Multiple results from the same subdirectory are grouped together making search results easier to read quickly.  
• Automatic spellchecker
  Google's self-learning spellchecker automatically detects misspellings and suggests corrections. Using technology developed by Google it is far more accurate than industry standard software.  
• Cached pages
  Caches copies of every page in your index so search results can be viewed when the original sites are down.  
• Hit highlighting
  Query terms are highlighted on cached pages allowing users to quickly find which parts of a page are relevant to their queries.  
• View as HTML
  Non-HTML search results are automatically reformatted as HTML enabling users a quick glimpse at the content without having to launch the original application in which the content was created.  
• Sort by date
  Enables users to get at time-sensitive information first. Dates can be identified in any international format.  
• Advanced boolean search
  Offers more than 10 special query terms for advanced search functionality and supports Boolean AND OR and NOT searches.  

Administrator Features

• Web-based Admin Console
  The admin console supports multiple logins and administrative roles for crawling serving and monitoring with an intuitive easy-to-use interface.  
• Subcollections  
  Categorize searches according to URL patterns.
• Synonyms
  Define synonyms for company-specific acronyms or terminology and have those terms be displayed as suggested alternative queries.  
• Keymatch
  Define matches between URLs and keywords so that the targeted URL displays above the main set of search results.
• Look and Feel
  Search results customizable using XSLT stylesheets.
• Reporting
  W