-     Searching mechanism is determining the disk space that search

     engine requires, how fast, how effective and accurate the 

     search process is. Web users know what they are looking for

     and able to describe it with some keywords

 -  The indexing process can be faster than full text inverted index

 -  Offer rough suggested search volumes by markets for Google, Yahoo, and MSN

-    Links the search volumes to the related global search engines.

How Keywords work?

When you look for infomation with the help of a keyword, the Search Engine will show for all the indexed pages within the database contacting the particular word or words. If you are trying for a Keyword 'Apple' then the search engine can seek for the pages that contain the words 'Apple'. Despite you may see topics that relates to solely Apple and also you may conjointly notice topics that solely relates to Apple. If you would like the search result that has each 'Apple' then you have got to use an advance operator " ". Here an example advance search Keyword "Apple" to envision the online search results that has all words and following the precise order of words. You'll be able to browse a lot of on advance operator section below.