What is image optimization?

[Sofia101]

The image's alternate text should be optimized, plus it should not be a copyright content and should be relevant enough.

[rypher21]

assigning relevant alt tag for images is one main thing about image optimization

[jackycony]

of course My dear niraj11122 i m hundred percentage agree with you

[Harmain]

follow this link to optimize your image easily
http://www.theinternetdigest.net/archive/optimize.html

[mikejoel]

Image optimization are best for those who are photo-bloggers out there

[probafix]

some major search engine did not recognized images. Image alternate text tag are only indexed where the images is a part of a hyperlink.

[mikesonu]

alt tag is the best option

[marshlnutan]

picture optimization is used to depict the process of picture slicing and resolution reference.

[Elvin]

Image optimization is not only editing alt tag of your your site with relevant keyword.
But you should optimize you image with Image Optimization tool.

Image Optimization tool is a free utility that compresses your GIF, JPEG, and PNG images. Decreasing the file size of your web images will increase the download speed of your web pages without affecting image quality!

Regards

[zoltancorleone]

Images is very important because they will make your Web pages look good and more attractive. However, high quality and beautiful images ever larger in file size. They make your pages load slower and consume more bandwidth. So we optimize images so that they file size smaller, but are good in quality should.

[amitmax]

yes you can use descriptive text for your image in alt tag.Also you can add file name as your keyword but you should hyphen there to isolate your keyword so that spider don't see as spamming.