Slice the remaining layout as per the guidelines, taking care
that it should not overlap the earlier sliced parts. A slice
image should not overlap another image.
is a very important aspect as overlapping of various parts
of the slices in the layout may later on lead to problems
for the html page.
overall sliced images should not be too small or too big.
They should be medium sized as it helps in easy downloading
of the layout.
is a process of fine-tuning the display quality and file size
of an image for use on the web. You can optimize images in
three major graphic formats used on the web: GIF
(Graphics Interchanged Format), JPEG
(Joint Photographic Experts Group), and PNG-8
or PNG-24 (Portable
Network Graphics, with 8-bit or 24-bit colour).
is a graphic containing 256 colours. 24-bit
is 8-bit x 3, i.e. 256 x 256 x 256
that comes to 16, million colours.
24-bit gives a very fine quality, but increases the file size,
which hampers easy downloading of the image. 8-bit is normally
used for web applications, as it gives good quality with limited