SEARCH ENGINE MECHANICS

Charlie Tizard

INDEX ALL THE PAGES!

GOOGLE DECIDES THE PAGES ‘PAGERANK’

5

4

1

1

1

WEBSPAM

DMCA NOTICES

ADDITIONAL DATA ADDEDTO HELP USER SEARCHES

THIS IS HAPPENING CONSTANTLY, KEEPING GOOGLE UP TO DATE.

YOU’RE SEARCHING AN INDEX OF THE WEB.

THE INITIAL SEARCH RESULT SET IS CREATED.

HOW DOES GOOGLE KNOW WHAT LINKS I NEED?

NEXT FILTERS ARE APPLIED.

USER PERSONALISATION

TRENDING TOPICS

ROBOTS.TXT

User-agent: *Disallow: /

User-agent: Googlebot-Image Disallow: /

User-agent: * Disallow: /cgi-bin/ Disallow: /privatedir/ Disallow: /tutorials/blank.html

ANY QUESTIONS?

REFERENCEShttp://ppcblog.com/how-google-works/

http://www.webworkshop.net/pagerank.html

http://www.javascriptkit.com/howto/robots.shtml

http://www.robotstxt.org/robotstxt.html

http://googleblog.blogspot.com/2008/05/introduction-to-google-search-quality.html

How Search Engines Work, Chapter 2 of The Invisible Web 

http://www.googleguide.com/google_works.html