Google Dorking is the act of essentially being better at Googling things. If you know how to do it efficiently then you can get some useful bits of data.
Syntax
Operators
Operator
Summary
Example
|
OR operator
cats.com | dogs.com (Returns results from either site)
*
Wildcard
*.cats.com (Grab all subdomains)
-
Exclude
-www (will exclude any www results)
Filters
Filter
Summary
Example
site:
Narrows down results to the specified site
site:cats.com
ext:
Searches for a file type
ext:js (Will show javascript files)
inurl:
Searches for the specified value in the URL
inurl:login (Will search a url for login. like cats.com/login)
intitle:
Searches for a value inside the title of a page
intitle:cats
intext:
filters the results with pages with the value in the page