robots.txt What's the best to use?

[Billy!]

Just noticed one of my sites does not have a robots.txt file, so what is the best one to use please?
Thanks

 

[fisicx]

Don't need one if you unless you want to keep some of the folders private.

There is no 'best one to use' ase each one tailored for a specific site.

Check out this tutorial: Robots

 

[superprogrammer]

Read this: http://www.robotstxt.org/wc/robots.html