12 most used time-saving google search operators

• site: To search within a site or domain
• link: To get the pages those links to the specified page
• info: To get information about a page
• cache: To get google's last cached image of a page
• related: To display pages of similar content
  
• filetype: To restrict search results by file type
• inurl: To search for a word or phrase within the url
• allinurl: To search for multiple words within the url
  
• intitle: To search for a word or phrase within the page title
• define: To define a word or phrase
  
• date: To restrict search results to pages added or updated in last 3,6 or 12 months
  
• phonebook: To display a phone directory listing