Here are some of the advanced search operators that I find most helpful when working on SEO.
Shows number of pages indexed in Google.
Searches for a keyword on a specific site.
keyword * keyword
The star acts as wildcard for your query.
Finds related or similar sites.
Searches for pages with the keywords in the title tags.
Searches for pages with the keywords in the URL.
Searches for the exact use of the phrase.
allintitle:guest post online marketing
The Professional’s Guide to Advanced Search Operators SEOMoz
Advanced Link: Operator to Explore Your Competitor’s Backlinks Search Engine Journal
Google Operators Cheat Sheet GoogleGuide
Creative Commons Photo by Charles Sipe