Log files
Read Managing Googlebot’s crawling 
Managing Googlebot's crawling
Pilot the Google bot crawl Analyze the behavior of the Googlebot With over 26,000...
Read How to do log file analysis for free? 
How to do log file analysis for free?
Log file analysis helps you understand how search engines are crawling a website and...
Read SEO Log Analyzer & Crossed Analysis now available! 
SEO Log Analyzer & Crossed Analysis now available!
We have been working pretty hard on delivering you the best to make onsite...