An image is an important element of a website and a printed material. Know more about the basics of images.
One key element of a good website is having a good and appropriate
layout including the correct usage of images. Whether images will be
used for printing or for web design, the basic knowledge about images is
What are the common image file formats?
JPEG (Joint Photographic Experts Group) - commonly used format for ordinary use
(Portable Network Graphics) – it supports true colors with (16million
colors) which is best for photographic images. Some web browsers do
not support this format before, but the latest versions of Mozilla and Internet Explorers already supports PNG.
GIF (Graphic Interchange Format)
TIFF (Tagged Image file Format) - usually used in printing
with better resolution, rarely used on web since not all web browsers
supports this file format.
Definition of common graphic terms :
Pixel A pixel is a tiny block of color and is a digital image's most basic building block.
Ppi Pixel Per Inch
Resolution It can either refer to a screen resolution or image resolution. It is the over all size and quality of the image.
What is the importance of image compression ?
Image file size is defined as the number of bytes of a file, the more
pixels and pixel color depth consisting the file, the more larger file
size is created.
Image file size is a very important factor for storage purposes and
for the web. Larger file size images makes the website page loading
slower The goal of image compression is to reduce the file size
correctly without sacrificing the resolution of the image.
Short List of Computer Graphic Softwares