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Search engines. What do we search for?. Google Zeitgeist. Defining a Search Engine. A Search Engine is a program that searches documents for specified keywords and returns a list of the documents where the keywords were found. More than 80% of web-site visitors come from Search Engines.

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PowerPoint Slideshow about ' Search engines ' - mayten


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Presentation Transcript

What do we search for
What do we search for?

  • Google Zeitgeist


Defining a search engine
Defining a Search Engine

  • A Search Engine is a program that searches documents for specified keywords and returns a list of the documents where the keywords were found.

  • More than 80% of web-site visitors come from Search Engines.


Search engines continue
Search engines continue

  • A program developed to scan a web page

  • Scans the entire page

  • Indexes & lists it on the search engine

  • Evaluates a web page based on various factors (variables) such as keywords, page titles, body copy etc.

  • Listings are done automatically

  • Changes if you change some content on the website


Google as se
Google as SE

  • Consists of variables which determine whether the site is relevant to the search query or not

  • Unique to each Search Engine

  • Google has over 250+ variables










Directory listings1
Directory Listings

  • A web search tool compiled manually by human editors.

  • Websites are submitted with information such as a title and description

  • Assessed by an editor

  • If deemed suitable, listed under relevant subject categories


Examples of directories
Examples of Directories

  • Human Edited

  • User Categorized

  • User Classified

  • Independently Classified

  • Pay Per Click (PPC)


Dmoz yahoo
Dmoz & Yahoo!

  • Dmoz:

    • Directory listings are provided to AOL, Google, Lycos and Netscape and many other web sites, directories & portals. Yahoo!

  • Yahoo!

    • Directory listings are supplied by Yahoo! editors

    • Require a fee for commercial sites




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