
This screen shows information about the Web server and the client that con-
nected to the page when the data was produced. Since Google’s bot crawls pages
for us, one way to find these CGI environment pages is to focus on the trail left
by the bot, reflected in these pages as the “HTTP_FROM=googlebot” line. We
can search for pages like this with a query such as “HTTP_FROM=googlebot”
googlebot.com “Server_Software”. These pages are dynamically generated, which
means that you must look at Google’s cache to see the document as it was
crawled.
To locate good base searches for a particular application, it’s best to look at
the source code of that application. ...