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Question:Google crawling indexing algorithms


I am looking for some documents on how Google crawl and index content. I read many "light" papers and articles on what you need to do to improve your ranking and make sure your content is properly indexed but I am looking for some more advanced technical documents on how Google crawl and index content.

The things I would like to know more about:

    What elements Google look for when it crawls: page content, URLs format, keywords, description etc...
    How the index is updated?

Basically, I am trying to understand why some pages are indexed but not others even if the formats are similar. Why only 10% of my site's pages appear when I do a search on the entire domain even if I can see on my server logs that Google crawled every single link.
asked Sep 13, 2013 in Crawl by rajesh
edited Sep 12, 2013
0 votes
31 views



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