So if that's the Web in a Nutshell, who are the WebMasters? The title "WebMaster" vaguely means a person who works on the content end of the Web. When you examine what WebMasters actually do, there are many different definitions.
On a typical Web site, the responsibilities can be broken up into four general groups:
On a large site, you might have a staff of 50 content providers, a group of five designers, three or four programmers, and two administrators. On a small site, one person might do it all herself.
Each of these people might justifiably call themselves "WebMasters." And while a programmer may not be especially interested in HTML syntax or server configuration, and someone who works only in HTML markup may not need to know anything about HTTP, this book should be useful to all.