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Hi everybody, My competition has started to use the sub-domains vastly. He has created one sub domain for every single city and keyword. Is it something that I should be worried of? Is it a good idea I start doing the same thing? Thanks for your help.

Some of my important keywords are not in English. Is blogging in another language rather than English helps ranking those keywords? Does Google crawl other languages just like English?

There are domains available which match exactly to my main keywords which I am trying to rank for. For example my keyword is "Green apple" and there are domains like greenapple.com . Do you think from Google stand point of view it is ok if I buy domains like this and when visitors go to these domains, automatically direct them to my main website? Thanks