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WEB GRAPHICS | Web Graphic Design

Web Graphics are different than print media graphics or traditional graphics. Web graphics are low resolution, optimised graphics which are small in size. Even if you use the main web graphics format like gif, jpeg or png you still need to optimise for web otherwise your pages will not be fast-loading pages. You must do web graphic optimisation if you want fast-loading optimised web graphics for your website.

The main web graphics formats are GIF, JPG, and PNG. One must know the differences among these web graphic formats so the best format can be applied. If you use the correct format your web page would look good and would be optimised for fast loading since you have optimised web graphics .

The most common graphics mistake people make on the Web is to use the wrong graphics format for their images.

The common web graphic formats are:

 

 

JPEG (Joint Photographic Experts Group) is a lossy compression method for color photographs. JPEG is a commonly used method of compression for photographic images.

JPEG standards help image files to be compressed to around five percent of their original size, though some details are lost during compression. The commonly used file extensions for th JPEG format are .jpg, .jpeg, .jfif, .or jpe.

 

 

GIF (Graphics Interchange Format)

The Graphics Interchange Format was developed in 1987 at the request of Compuserve, who needed a platform independent image format that was suitable for transfer across slow connections. It is a compressed (lossless) format (it uses the LZW compression) and compresses at a ratio of between 3:1 and 5:1

It is an 8 bit format which means the maximum number of colours supported by the format is 256.

 

 

PNG (Portable Network Graphics format)

In January 1995 Unisys, the company Compuserve contracted to create the GIF format, announced that they would be enforcing the patent on the LZW compression technique the GIF format uses. This means that commercial developers that include the GIF encoding or decoding algorithms have to pay a license fee to Compuserve. This does not concern users of GIFs or non-commercial developers.

PNG files end in a .png suffix.

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