
The first option allows you to point Google at a robots.txt page that exists
on your site. Google will process that robots.txt file, and if it is valid, will begin
the processing to remove the pages affected by that file. According to Google,
these requests are usually processed within 24 hours.This option is especially
handy if you have made changes to your robots.txt file and would like Google to
retroactively update its database, removing any newly referenced files.
The second option allows you to remove a page based on a META tag refer-
ence.You can use this option when you discover a page that you’d like to make
available to Google, but you’d prefer ...