How to speed up web site laoding time part 1

1. Do  not let browser to reside the images.Spend another 45 second on the image-> edit it from photo shop -> then upload
2. remove white space in the code -> better open the code in server it self and check it.
3. load fewer external objects. Do not embed youtube, slideshare in the home page
4. try to minimize java script conditions in the home page.