How does Search Engines update indexing so soon?
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by Runner
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Published on 2010-04-11T07:15:41Z
Indexed on
2010/04/11
7:53 UTC
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I have noticed that many search engines have this feature nowadays,
say it will update the index with little latency(about several minutes after the page is modified),
How is it done regarding that huge amount of web pages?
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