how search engines work. any ideas? building an index dan taylor flickr creative commons

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How Search Engines Work

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Page 1: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

How Search Engines Work

Page 2: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Any ideas?

Page 3: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Building an index

Dan taylor Flickr Creative Commons

Page 4: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Indexing “spiders” crawl the web

Rocketclicks.com

Page 5: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Spiders collect

Page 6: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Spiders collectWeb address (URL)

Page 7: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Spiders collectWeb address (URL)

Words on the webpage

Page 8: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Spiders collectWeb address (URL)

Words on the webpage

Where those words were found on the page or in the code

Page 9: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Spiders collectWeb address (URL)

Words on the webpage

Where those words were found on the page or in the code

Meta tags (specific keyword coding)

Page 10: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Target example

Page 11: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Spiders collectWeb address (URL)

Words on the webpage

Where those words were found on the page or in the code

Meta tags (specific keyword coding)

Page 12: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Now, it needs to rank the

webpages it has indexed

Page 13: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons
Page 14: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons
Page 15: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Probably looks a little something like

this!

Page 16: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

The Formula (algorithm) includes…

Words that the spider collected

Page 17: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

The Formula (algorithm) includes…

Words that the spider collected

Inbound links from other sites

Page 18: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

The Formula (algorithm) includes…

Words that the spider collected

Inbound links from other sites

“Freshness” vs. tried and true

Page 19: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

The Formula (algorithm) includes…

Words that the spider collected

Inbound links from other sites

“Freshness” vs. tried and true

Patterns over time (what people have searched)

Page 20: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

Also,Geographic ranking

Personal selection history (if logged in)

Many many many other secret factors

Page 21: How Search Engines Work. Any ideas? Building an index Dan taylor Flickr Creative Commons

How search works(according to Google)