Xara Webster - Creating JPEG FilesGIFs and JPEGsGIFs are best for graphics produced by an illustration package such as Webster unless you use complex color graduations and shading. It is particularly suitable for simple graphics with only a few colors. JPEGs are best for photographs and graphics with complex color graduations. The JPEG format uses 16million colors (GIFs have a maximum of 256 colors) and so graphics with a lot of colors look better in high color screen modes. However these are only recommendations - you may need to try both formats to find which is best for your graphic.
Progressive JPEGs are relatively new and not all browsers support them. Latest versions of Netscape Navigator and Internet Explorer can load them. The image below is a progressive JPEG which we've included so you can check whether your browser supports this format.
Because detail is lost from the file, you should try not to JPEG
compress a JPEG format file. The extra loss of data can be noticeable.
If you have to JPEG compress a JPEG file use a high Quality setting.
When you save the JPEG:
The easiest way to check the graphic is to drag-and-drop the saved
file onto a browser window. This loads the graphic and displays
it in the window. This method is simple to use and lets you quickly
choose between several different files.
If the IMG command includes the width and height of the graphic, the browser can load the text first and than load the graphics. This doesn't load the page faster but it lets the viewer start reading the text whilst the graphics download. It just seems quicker. The IMG command should look like this
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