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How to Find Good Web Hosting
You have decided it is about time you jumped on the web hosting bandwagon. You have a website in mind you would like to create. You have a domain name ready to go. The one and only thing that you are missing is the actual web hosting space. Now...
User Friendly Website Hints & Tips
A very wise person once said something along the lines of “the best thing about the web is that every one can become a publisher and the worst thing about the web is that everyone can become a publisher.” With the availability of so many web...
Web Analytics - Getting it Right
Web Analytics Getting It Right By WG Moore Understanding and using web analytics. In recent years, website marketers were concerned with increasing ‘hits’ and the ‘stickiness’ of their sites. They were concerned with increasing page...
Web Designers Beware!
As a web designer, I have a personal interest in a new trend which threatens to put me and my kind out of business. That “threat” is Web Design Templates. In short they are ready-made web design products which can be used as a basis for a fast and...
Why You Need A Web Site
"I have a small business with just a couple of employees and I don’t think my product can really be sold online. Do I need a web site?" In this day and time, there is very little that can’t be sold over the Internet. There are over 20 million...
 
Graphics for the web: GIF Format

The GIF (Graphics Interchange Format) format was invented in 1987 by
Compuserve to allow images to be displayed. This format allows for 256
colors (which was a lot at the time), compression, interlacing and
animation. It is a very powerful format, suitable for many different types
of images.

Due to the limited number of colors, GIF is primarily useful in images with
a distinct separation of colors. A cartoon, for example, is ideal for the
GIF format.

When you save an image in GIF format, you have the option to specify how
many colors will be saved. By doing this you can decrease the size of an
image even further. All of the tools which are available to optimize GIF
images work by reducing the number of colors to the bare minimum. This can
produce astounding results in the size of the finished file.

Unlike JPEG, GIF uses a non-lossy compression algorithm. This means that
images do not loose bits when they are decompressed. In order to accomplish
this, GIF uses a proprietary encoding/decoding scheme called LZW (Lempel Zev
Welch). LZW is an excellent compression algorithm which typically results in
very small files (in comparison to fully expanded BMP files).

This compression method is actually the cause of a bit of controversy. As it
turns out, LZW is owned by UniSys, and over the past few years they have
made some attempts to collect licensing fees for products which save in


the
GIF format. These attempts have had mixed results, and has caused the
development of a new non-proprietary standard called PNG.

You may indicate that a color in a GIF image is transparent, meaning
whatever is below the image will show through.

The GIF89a standard included animation, which basically allows multiple
images to be included in a single GIF file. In that image you can specify
the timing that the frames are shown and whether or not the animation stops
or loops forever.

Interlacing is a cool feature which allows graphics to be "faded in".
Initially a very low quality image is displayed, and bits are slowly added
as the entire image is received. GIF supports this feature, which is useful
for displaying very large images quickly.

An interesting albeit little known fact about GIF images is that they can
include comments, which take up space and make the graphic larger. There are
a number of products which will remove these comments. I found that the
freeware program called GIFclean is simple to use and works well.


About the Author

Richard Lowe Jr. is the webmaster of Internet Tips And Secrets. This
website includes over 1,000 free articles to improve your internet
profits, enjoyment and knowledge.
Web Site Address: http://www.internet-tips.net
Weekly newsletter: http://www.internet-tips.net/joinlist.htm
Daily Tips: mailto:internet-tips@GetResponse.com

 

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webdevelopment.com
 
Web Developer's Virtual Library: Web Development Tutorials and ...
News, tutorials, and reference material focusing on technical web development topics.
www.wdvl.com
 
Open Source Web Development Tutorials - Dev Shed
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Web development - Wikipedia, the free encyclopedia
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Agile Web Development with Rails—Second Edition
Dave Thomas, Mike Clark, David Heinemeier Hansson, Leon Breedt, Thomas Fuchs, Andrea Schwarz; Pragmatic Bookshelf, 2006, ISBN 0977616630.
www.pragmaticprogrammer.com
 
CYGAD's WebDevelopment - Welcome to CYGAD’s WebDevelopment! - The ...
CYGAD's WebDevelopment - The finest Resources for WEB-Design, WEB-Master and WEB-Developer!
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Web Development Bookmarklets
Includes tools for viewing and testing CSS styles, viewing scripts and variables, and showing the structure of a document.
www.squarefree.com
 
SGI - Freeware - Web Development
Links to freeware web development tools, browsers, software, etc.
www.sgi.com
 
Webmonkey: The Web Developer's Resource
Resources for web site developers including how-to guides, code libararies, server technologies and authoring resources.
www.webmonkey.com
 
Web Development Tools - Web Developer's Journal
Tips on Web page design and development, HTML, graphics, scripting, favicon, development tools, Java, sql basics, building web sites, and much more for ...
www.webdevelopersjournal.com
 
Web Developer's Handbook | CSS, Web Development, Color Tools, SEO ...
Web Developer's Handbook is a list of essential web-sites, which make the life of web developers easier. Compiled and updated by Vitaly Friedman.
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Ceonex Web Development & Web Design - Full Service Digital ...
Web design, web development, online branding, application development and other full service business solutions focused on prospect conversion and customer ...
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Cayenne Web Development - web design agency, Oxfordshire, UK
Specialist web design agency based nr Banbury, Oxfordshire, offering a complete website design and development service.
www.cayenne.co.uk
 
Web development mistakes | 456 Berea Street
When I visit a website, especially if it’s the site of a competitor or a prospective client, I like viewing…
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Web development mistakes | 456 Berea Street
Articles and news on web standards, accessibility, usability, and other things related to web development and web design.
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Anil Dash: Web Development Trends for 2006
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