Reducing Load Time Through Image Optimization
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Even though more and more Internet users switch to broadband
every year, a large portion of the web's population is still
running on good old dialup connections.
It is therefore unwise to count them out of the equation when
you're designing your website, and a very major consideration
we have to make for dialup users is the loading time of your
website.
History: Article | NOV 19/06
Edited : Lonnie A | MAR 26/09
Generally, all the text on your website will be loaded in a
very short time even on a dialup connection. The culprit of
slow-loading sites is mainly large images on your website, and
it is very important to strike a delicate balance between using
just enough images to attract your users and not to bog down
the overall loading time of your site.
You should also go to a greater length and optimize every image
on your site to make sure it loads in the least time possible.
What I really mean is to use image editing software to remove
unnecessary information on your images, and thereby effectively
reducing the file size of your image without affecting its
appearance.
If you own Photoshop, it will be obvious to you that when you
save an image as a JPEG file, a dialog box appears and lets you
choose the "quality" of the JPEG image -- normally a setting of
8 to 10 is good enough as it will preserve the quality of your
image while saving it at a small file size.
If you do not have Photoshop, there are many free image
compressors online that you can download and use to reduce your
image's file size.
On the other hand, you can opt to save your images in PNG
format to get the best quality at the least file size. You can
also save your images in GIF format -- the image editing
software clips away all the color information not used in your
image, hence giving you the smallest file size possible.
However, saving in GIF format will often compromise the
appearance of your image, so make your choice wisely!
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