Finds incoming links to whatever URL you provide after the operator. The search displays sites that contain links to the specified URL. Example: link:www.blogcritics.com.
info
When paired with a URL, this operator displays links to further information about the specified site. Example: info:www.nytimes.com.
cache
Displays Google's cached (stored) snapshot of whatever URL follows the operator. Good for taking a short hop back in time. Example: cache:www.usatoday.com.
site
One of the most important operators, this one restricts search results to a specified URL. Works with top-level domain extensions such as .edu and .gov by themselves in place of a specific site URL. Example: yankees red sox site:www.nytimes.com.
