Search Engine Journal
Type "SEJ [search term]" to find latest search engine news and SEO tips at SEJ
SearchEngineLand Quick Search
Type "sel [search term]" to search Search Engine Land
Mashable.com Smart Keyword Search
Type "msh [search term]" in the address bar to search Mashable.com.
Flickr Tag Quick Search
Type "flickr [search term]" to search through images on Flickr.
Twitter Quick Search
Type "tweet [search term]" to search discussions at Twitter.
Search through Archive.org
Type "waybm [domain.com]" to look up any site previous records.
WebmasterWorld.com Quicksearch
Type "wwf [search term]" in the address bar search discussions at WebmasterWorld.com forums.
Google and Yahoo Search
Type "yagl [search term]" to search both Google and Yahoo.
Search Google Insights
Type "gkwd [search term]" to perform keyword research with Google Insights.
Google Trends for Websites
Type "webtrends [domainname.com]" to check Google Gtrends for any website.
Search Google Trends
Type "gtrends [search term]" in the addressbar to research any term Google trends.
Domain Tools WhoIs lookup
Type "dtools [domainname.com]" access Whois information for any domain name.
TheFreeDictionary Quick Search
Type "freedic [search term]" to find related words and definitions.
Urban Dictionary Quick Search
Type "urbandic [search term]" to look up a slang expression in Urban Dictionary.
Delicious Tag Search
Type "delicious [search term]" to search through tags and submissions at Delicious.com.
Google Webmaster Help Group
Type "gwgroups [search term]" to search through Google Webmaster Help Group.
Seroundtable Smart Search
Type "ser [search term]" to find recent SEM news at Seroundtable.com