How many times robots.txt gets visited by crawlers, especially Google?

[linklater]

Hi,

Do you know if there's any way to track how often robots.txt file has been crawled?

I know we can check when is the latest downloaded from webmaster tool, but I actually want to know if they download every time crawlers visit any page on the site (e.g. hundreds of thousands of times every day), or less.

thanks...

[RyanKent]

Your web server logs keep track of every file that is serves and to whom it provides the data. The raw log files are difficult to read unless you are used to viewing that type of code. The process varies based on your server type. Ask your web host or developer for guidance.