Webmaster Tools

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