Graphic Design:
Design Principle: When you start thinking about designing your web site, you need to think about how the colors you choose will affect visitor's.Good design is virtually invisible,If your web site is well designed and the layout of information helps the usability of the web site, visitors will return otherwise visitors may never come back after finding your site un-usable.
Graphic Design Software: There are several graphic design tools used for various means on the web:
->Adobe Photoshop www.adobe.com - for creating superior graphics and editing photographic images
->PaintShop Pro www.jasc.com- similar to Photoshop, but less sophisticated
->Macromedia Flash www.macromedia.com- used to create animated and interactive vector-based web sites.
Graphic Formats: Graphics on the web can hugely add to the visual effect of a web site, but they also add to the download time. Web graphics can be static, animated or photographic. These are usually either gif, jpg or png file formats.In addition, never use this technique to increase the size of an image - it severely reduces image quality as well as taking longer to download. Use you favorite graphics software to re-size your images properly and include the correct width and height dimensions for a speedier download. This means your site will look better, and your visitors will be happy with a quicker download time.
Never use the width and height attributes of the tag in the html of a web page to resize images. If you use this method to reduce the image size, you will increase the download time of the page as a whole. This is because the browser has to "re-draw" the image at an incorrect size which takes longer.
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