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Graphics File Formats

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DEFINITION: PNG (pronounced ping as in ping-pong; for Portable Network Graphics) is a file format for image compression that, in time, is expected to replace the Graphics Interchange Format (GIF) that is widely used on today's Internet. Owned by Unisys, the GIF format and its usage in image-handling software involves licensing or other legal considerations. (Web users can make, view, and send GIF files freely  … 
Definition continues below.
Graphics File FormatsWhite Papers (View All Report Types)
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Enterprises Embrace Rich Media Development with ECDNs
sponsored by AT&T Corp
WHITE PAPER: This AT&T paper shows, ECDN technologies not only reduce WAN bandwidth consumption, they can also reap productivity gains. Read on to find out more.
Posted: 05 Apr 2010 | Published: 05 Apr 2010

AT&T Corp

Limelight Networks Content Delivery Network (CDN)
sponsored by Limelight Networks, Inc.
WHITE PAPER: Whether your goal on the web is to inform, sell, entertain, or persuade, your site needs to meet the expectations of today's Internet users. Rich web pages, rapid fire communications, huge software downloads, and an expanding universe of digital media require a new approach to content delivery. Read this paper to see what Limelight has to offer.
Posted: 06 Mar 2009 | Published: 06 Mar 2009

Limelight Networks, Inc.

Rich Internet Applications: Design, Measurement, and Management Challenges
sponsored by Keynote Systems
WHITE PAPER: This white paper details the evolution of traditional Web pages and applications, discussing the defining attributes of the emerging class of Rich Internet Applications (RIAs).
Posted: 08 Feb 2008 | Published: 01 Jan 2006

Keynote Systems

The Importance of Delivering a Great Online Video Experience
sponsored by Akamai Technologies
WHITE PAPER: With the increased popularity of online video content, now is the time for publishers to experiment with online video as a new means of storytelling and offering an enhanced experience on their Web sites.
Posted: 07 Mar 2008 | Published: 11 Jul 2007

Akamai Technologies

WAN Optimization for Today and Tomorrow
sponsored by BlueCoat
WHITE PAPER: This whitepaper provides key insight for IT professionals interested in accelerating user performance by two to three hundred times, reducing bandwidth for files, storage and email by 50 to 95 percent, and making consolidation and centralization possible.
Posted: 09 Feb 2011 | Published: 09 Feb 2011

BlueCoat
5 Matches
 
GRAPHICS FILE FORMATS DEFINITION (continued): …  but they can't develop software that builds them without an arrangement with Unisys.) The PNG format, on the other hand, was developed by an Internet committee expressly to be patent-free. It provides a number of improvements over the GIF format.Like a GIF, a PNG file is compressed in lossless fashion (meaning all image information is restored when the file is decompressed during viewing). A PNG file is not intended to replace the JPEG format, which is "lossy" but lets the creator make a trade-off between file size and image quality when the image is compressed. Typically, an image in a PNG … 
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