Here are some of the advanced search operators that I find most helpful when working on SEO.
site:www.yoursite.com
Shows number of pages indexed in Google.
keyword site:www.yoursite.com
Searches for a keyword on a specific site.
keyword * keyword
The star acts as wildcard for your query.
related:www.yoursite.com
Finds related or similar sites.
allintitle:keyword phrase
Searches for pages with the keywords in the title tags.
allinurl:keyword phrase
Searches for pages with the keywords in the URL.
“keyword phrase”
Searches for the exact use of the phrase.
Examples:
allintitle:guest post online marketing
Additional Resources:
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