Chapter 2. Applications: WWW Browsers and Servers
Since the Web is where some of PNG's more uncommon features--alpha, gamma and color correction, two-dimensional interlacing--are most apparent and useful, it makes sense to begin our coverage of PNG-supporting applications with a look at web browsers and web servers.
Like all of the application chapters, this one has aged a great deal since 1999--at least, the browser part of it has. (The status of web servers is virtually unchanged.) With the exception of the final rows in Tables 2-1 and 2-3--which describe the level of PNG support in Netscape Navigator and Microsoft Internet Explorer, respectively, something that continues to be of particular interest to readers of this book--I have not updated the text in any way. However, the PNG web site is updated regularly and includes both a general summary of browser status and a complete list of PNG-supporting browsers:
It complements the more detailed and explanatory information presented in this chapter.
2.1. WWW Browsers
Although there are dozens of web browsers available, most of which have supported PNG since 1995 or 1996, for the vast majority of users and webmasters there are only two that count: Netscape Navigator and Microsoft Internet Explorer. Collectively referred to as “the Big Two,” these browsers' level of support for any given feature largely determines the viability of said ...
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