Web Site Optimization: How To Speed Up Your Web Site By Minimizing Your GIF and PNG Image "Bit-Depth"

Written by Andy King


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Conclusion

To minimizerepparttar file size of palette-based image formats like GIF and PNG, minimize their bit-depth, or number of colors. Each time you pass a power of two, file size jumps higher. By minimizingrepparttar 132601 number of colors, and maximizingrepparttar 132602 flat-color areas you will create smaller, more efficient images destined forrepparttar 132603 Web.

Further Reading:

LZW Data Compression http://www.dogma.net/markn/articles/lzw/lzw.htm Mark Nelson breaks downrepparttar 132604 LZW compression algorithm for Dr. Dobb's Journal of October 1989.

Multimedia: Use Lossy Compression for Smaller GIFs and PNGs http://www.websiteoptimization.com/speed weak/lossy/ Lossy compression lets you squeeze more bytes out of your GIFs and PNGs. Lossy compression increases identical pixel patterns to improve compression in indexed-color images.

Multimedia: Use Weighted Optimization http://www.websiteoptimization.com/speed weak/weighted/ Weighted optimization or regional compression applies different degrees of compression to different areas of your image. By varyingrepparttar 132605 quality within images you can improve file size.

Optimizing Web Graphics http://www.websiteoptimization.com/speed/12/ Chapter summary from Speed Up Your Site, shows how to correct, optimize, and compress images for minimum file size and maximum quality.

PNG Home Site http://www.libpng.org/pub/png/ Greg Roelofs site devoted to all things PNG.

Article by Andy King, author of the popular new book titled "Speed Up Your Site – Web Site Optimization". Visit Andy King's web site to learn the best Web Site Optimization practices for higher traffic and speed guaranteed. www.websiteoptimization.com


Adding Sound to your Web Site - the good, the bad and the ugly

Written by Alan Steward


Continued from page 1

4) Flash If you own a program that can create Flash files, you will have lots of flexibility in adding sound to your site. Flash lets you import WAV as well as MP3 Files and then creates quite small files from these sounds that will load automatically on your site. You can setrepparttar quality level and therefore decide how large you wantrepparttar 132599 Flash file to be. Flash also allows you to loop short pieces of sound to create 'continuous' background music files that can be quite small. But please note that only imported WAV files can be looped in Flash, MP3 files will not loop cleanly. PROS: Great Flexibility, Small File Sizes, expecially when looping sounds CONS: You need to buy expensive Flash software to create Flash Files

5) Pre-Made Flash Loops The newest thing onrepparttar 132600 market are pre-built Flash Music Loops. These files are professionally recorded, loop almost indefinitely and most of these Flash Music Loops are only about 20k in size so they load almost instantly. Flash Music Loops are available at http://www.flashmusictracks.com and currently there are three different loop packages available in all kinds of music styles from classical to techno. Using these pre-built Flash files is easy. Simply uploadrepparttar 132601 "xyz.swf" Flash file to your server and add a few lines fromrepparttar 132602 corresponding "xyz.html" file to your web page and presto...instant professional sounding background music. PROS: Extremely small file size, professional quality music CONS: None

As you can see there are many different ways to add background music to your web pages and you don't have to worry about slow loading pages if you chooserepparttar 132603 right file format.

Article by Alan Steward, a professional recording engineer and producer who worked with many Grammy award winning groups and musicians. (c)2004 Alan Steward - http://www.musicleads.net You may freely redistribute or use this article on your website or in your newsletter as long asrepparttar 132604 article is unaltered and unedited.

Alan Steward is a professional recording engineer and producer who worked with many Grammy award winning groups and musicians.


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