how search engines work. any ideas? building an index dan taylor flickr creative commons
TRANSCRIPT
How Search Engines Work
Any ideas?
Building an index
Dan taylor Flickr Creative Commons
Indexing “spiders” crawl the web
Rocketclicks.com
Spiders collect
Spiders collectWeb address (URL)
Spiders collectWeb address (URL)
Words on the webpage
Spiders collectWeb address (URL)
Words on the webpage
Where those words were found on the page or in the code
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)
Target example
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)
Now, it needs to rank the
webpages it has indexed
Probably looks a little something like
this!
The Formula (algorithm) includes…
Words that the spider collected
The Formula (algorithm) includes…
Words that the spider collected
Inbound links from other sites
The Formula (algorithm) includes…
Words that the spider collected
Inbound links from other sites
“Freshness” vs. tried and true
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)
Also,Geographic ranking
Personal selection history (if logged in)
Many many many other secret factors
How search works(according to Google)