Another thing which can be a MAJOR factor is the DNS lookup but from a programming/code perspective there's probably not much you can do without getting into a lower level.
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Another thing which can be a MAJOR factor is the DNS lookup but from a programming/code perspective there's probably not much you can do without getting into a lower level.
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In what way is your crawl slow, where exactly does the code stop for a while?
Another reason for the url fetch to be slow could be the fact that the server you are connecting to is very slow in...