c6578b7d_ood_Shape_with_Webmaster_Tools__0
[1] Settings [2] Within this page there are 3 settings you can change – geographic target, preferred domain and crawl rate. Geographic target allows you to specify which country your target audience resides in. Changing this to UK can have a positive ranking affect in Google.co.uk but may have a detrimental one in Google.com, Google.de, Google.fr etc... If you want to target UK users only then its wise to select UK, whereas if you want to attract worldwide users its best not to specify a geographic target. If you had a .com domain with multiple sub-folder, you could add all these as new sites and geotarget each one individually. The preferred domain option allows us to display URLs with or without the www. I tend to select www, just because I like it! In reality it doesn't matter as long as both versions are handled correctly with 301 redirects or canonical tags to avoid duplicate content. The crawl rate feature lets you limit Googles crawling of your site – in the main this is left alone and set to its default Let Google optimize for my site. [0] 
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Keep Your Site in Good Shape with Webmaster Tools
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