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Content guidelines
Content guidelines
Site title and description
Blocking Google
International
Mobile
Images and video
Pagination
Meta tags
About rel="canonical"
rel="nofollow"
Canonicalization
Author information in search results
Link your content to a Google+ profile using rel="author"
Automatically generated content
Sneaky redirects
Doorway pages
Scraped content
Creating pages with malicious behavior
Hacked content
Guidelines on user-generated spam
Mobile
Adding mobile URL information to a Sitemap
Developing mobile sites
Mobile markup languages
About Mobile Sitemaps
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Verification: Meta tag
Using Webmaster Tools
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Creating Sitemaps
Sitemaps
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Google-friendly sites
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