link:www.domain.com (returns a list of backlinks that google has indexed. )
related:www.domain.com (returns a list of sites that google sees as related
to the topic on your page. )
allinurl:keyword (returns a list of pages and sites that contain the 'keyword'
in their url.)
site:www.domain.com (returns all pages of the domain that google has crawled
and indexed.)
allinanchor:keyword (returns a list of pages and sites that contain the keyword
as anchor text in their backlinks.)
cache:www.domain.com (will show the current cache that google has for the page)
info:www.domain.com (will return information that google has for the page)
allintitle:keyword (returns webpages that have the specified keywords in the
title)
intitle:keyword (returns listings of webpages that have only the specific keyword
as the title.)