Hi,

Please some one tell me in detail that what is image optimization and what are its importance in SEO.

Image optimization is decreasing an image to load fast but still look good.

It's also the act of paying attention to factors that affect its placement in places like Google Images SERPs. File names, alt attributes, surrounding text all have an influence.

..image optimization really helps..
using good filenames, alt text, etc..

Image optimization means an image of your website comes in top SERP's (Image Search).
There are various factors like

1. Name of the Url.
2. Alt
3. Size
4. Proper tagging.

Image optimization can help you increase more traffic and can give additional targeted traffic.

image optimization is useful in SEO, You should remember that optimizing images offers the following advantages:

• Free product promotion
• More optimization opportunities than regular search alone. Photo sharing and social image sharing sites have more contextual clues that search engines can use for their ranking criteria.
• Less competition. Image search is a widely underused area for retailers.

Image optimization involves :
1. the image file name (preferably a keyword)
2. optimize the image size for a fast download
3. alts (preferably keywords in there)

Ever visited G? You might see a image search option in the bottom. Optimize your website's images for search engine - Image optimization.

Image optimization is very important. Try to use good image names, for example:

http://www.yoursite.com/15232/56435345.gif - wrong
http://www.yoursite.com/images/logo.gif - good

Use alt="" , it helps when picture can't load...

I hope it's helpt

Image Optimization(SEO) is done by utilizing your ALT tags and posting pictures which are currently popular.

While optimizing it in photo editors means using tools or presets which will help to attain a great quality picture with small filesizes.

Image optimization is the process of making graphic arts ready for a website. This includes optimize your image file for maximum speed, editing, sharpened, condensed and cropped for quality. The image optimization process involves:
Image selection
Size determination
Compression
Defining length and width of image
Alt-tag (alternate text) generation

Don't forget the image filename. black-car.jpg is better than image1.jpg