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

eb-based reports show daily and hourly result sets top queries special feature usage and more. Easily export the reports for use in other reporting tools.  
• URL Tracking
  Analyzes all crawled content and hosts making it easy for administrators to identify problematic servers errors and sources of content.  
• Remote Diagnostics  
  Comes equipped with a modem connection for remote maintenance by Google support if necessary.

Enterprise Integration

• Web Servers  
  The Google Search Appliance maps all the web documents on your network accessible via hypertext transfer protocol (HTTP) in a process known as crawling then creates an index of those documents.
• Secure Search
  The Google Search Appliance has the capability to crawl password-protected areas and HTTPs content. Secure information protected by basic authentication or NTLM is shown only to users who have access authorization.  
• Proxy Servers
  Crawls content located behind proxy servers.  
• Lotus Domino
  Fast efficient crawling of Lotus Domino servers.
• Meta Tags
  Supports standard meta tag fields enabling search narrowing and filtering based on meta tag values. Also can return meta tag data for display in search results.  
• File Types  
  Search more than 200 file types including HTML Microsoft Office™ PDF PostScript WordPerfect Lotus and many others.
• Languages
  Able to restrict searches to any one of 28 languages.



　　实际上，几乎每个月Google都在改变算法，如果没有坚持每个月都深入了解，不出三个月就被Google剔出搜索引擎专家的行列了，这也是为什么国内没有几个人愿意深入研究的原因了。

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