Network Performance Effects of HTTP/1.1, CSS1, and PNG

• To: www-style@w3.org
• Subject: Network Performance Effects of HTTP/1.1, CSS1, and PNG
• From: Hakon Lie <howcome@w3.org>
• Date: Tue, 11 Feb 1997 16:31:31 +0100 (MET)
• From www-style-request@www10.w3.org Tue Feb 11 10: 31:36 1997
• Message-Id: <199702111531.QAA02992@www4.inria.fr>
• X-List-URL: http://www.w3.org/pub/WWW/Archives/Public/www-style/

A W3C note that discusses network performance effects of HTTP/1.1,
CSS1 and PNG is available [1]. The paper is a bit rough due to a
submission deadline, but shows important numbers. All three
technologies contribute toward increased network performance.

For the given test document (which is a concatenation of Microsoft's
and Netscape's home pages), HTML+CSS1 can replace 22 of 40 images and
reduce the size of others. In bytes, the total saving is 23K. Since no
browser can yet render the full HTML+CSS1 replacements, the numbers
are estimates that will need to be confirmed.

[1] http://www.w3.org/pub/WWW/Protocols/HTTP/Performance/Pipeline.html

Regards,

-h&kon

H   å   k   o   n      W   i   u   m       L   i   e
howcome@w3.org   W o r l d   Wide  W e b  Consortium
inria §°þ#¡ª FRANCE http://www.w3.org/people/howcome

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