Look at the comments... # robots.txt # # This file is to prevent the crawling and indexing of certain parts # of your site by web crawlers and spiders run by s

Look at the comments... # robots.txt # # This file is to prevent the crawling and indexing of certain parts # of your site by web crawlers and spiders run by sites like Yahoo! # and Google. By telling these "robots" where not to go on your site, # you save bandwidth and server resources.