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History of search powerpoint


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  • The more times the keyword that relates to your site was mentioned the higher ranking your site would have.
  • Transcript

    • 1. Web Browser Web browser- software that goes into the internet and retrieves information, displays the results and allows you to follow links to websites. i.e. Mosiac (1993) Netscape(1994) MS Internet Explorer (1995) Opera (1996) Phones/Wii Mozilla’s Firefox (2004) Apple’s Safari (2003)  Google’s Chrome (2008)
    • 2. Search Engines vs. Search Directory Search Engine Search Engine- is an online tool/program, or a list of instructions, that search for specific terms on the world wide web.  Done by computers.  Examples: Google, Bing, Youtube  They give you everything Search Directory Search Directory-is catalog of website organized by subject  Done by humans  Provide results that have standard of relevance  Examples: Yahoo! Directory, yahooligans,  good when you have a general idea
    • 3. History of Search Engines (1994) Early search engines were based on a basic Content Ranking algorithm Penguins, penguins, penguins, Penguins, penguins, penguins, Pe nguins, penguins, penguins, Penguins, penguins, penguins, Peng uins, penguins, penguins, Penguins, penguins, penguins, Pengui ns, penguins, penguins, Penguins, penguins, penguins, Penguins , penguins, penguins, Penguins, penguins, penguins, Penguins, p enguins, penguins,
    • 4. 1996 Google Changes Everything Google changed “search” by adopting a research library strategy in their algorithm which ranks authors/books/papers in particular fields of study based on how many times mentioned in other books Dewey, Bloom, Gardner, Sizer, Glasser Link-based Algorithm is based on Link popularity. The more people link to your site the more popular your site and the higher your page rank the more often your site will appear in Google’s search results of a particular search term
    • 5. How Search Engines Find Websites for us  The Search Engine sends a spider or googlebot to visit a webpage. It only knows about your webpage if Ad is purchased or it’s linked in another website.  Then indexer looks at keywords and links and their Anchor Text and ranks the webpage-Page Rank Stats Check your page  Then the Search engine gives us (the searcher) webpages based on our keyword searches in a search results list.
    • 6. Why is Wikipedia always in top of Results List?  Page rank (great use of links)  2 million grant in 2010 from Google to Wikimedia  Mutually beneficial simplyzesty
    • 7. 2009 Era of Personalization  Google Changes everything again with introduction of personalization.  Data Aggregators collect as much data about each of us so that they can personalize our searches (and advertising) to us based on what we usually search, like, desire.