Some tips on Optimize your images on website. Image SEO

These could be some point to optimize your image in Search engine.So Optimize your images for websites.
# Keywords in alt text, text around the image, image name, page title;
# Preferred image formatting ? jpg;
# Separate SE accessible image folder;
# Image freshness. (SEW suggests re-uploading your images to keep them fresh);
# Enabled image search option at Google webmaster tool.
# Reasonable image file size (see the discussion at WW)
# Limited number of images per page;
# Popular and reliable photo sharing hosting (e.g. Flickr is reported to help in Yahoo! image optimization).
suggestion welcome.!

See original post by mohit