http://codex.wordpress.org/Installing_WordPress#Step_5:_Run_the_Install_Script and http://codex.wordpress.org/General_Options_SubPanel -- http://trac.wordpress.org/ticket/2480 Blog Privacy - Add a privacy option that prevents indexing with noindex and nofollow. Allow users to designate their blog as private during installation. Outgoing pings will be disabled and noindex,nofollow will be added to the headers for private blogs. add blog_public key to wp_options; adds new field to Admin option general; adds "I would like my blog to appear in search engines like Google and Technorati." check box in installation below email box and adds "Search Engines: x I would like my blog to appear in search engines like Google and Technorati. " just before Wordpress uri in general options.