Few visitors read all of the copy. One of the best guides available today is Make Your Words Sell , by veteran copywriters Joe Robson and Ken Evoy. Make it hard to read text with a strong low contrast background color and visitors won't read it. Faster bandwidth availability is growing rapidly, but user adoption of these technologies isn't keeping pace. A large portion of the market is still using less than optimal equipment and software.
Some sites sell stuff that has to be seen to be appreciated and purchased.
No question about that. Thumbnails work wonders for speeding up load time and give visitors an easy way to see larger images. You want your visitors to flow through the entire process, not be or distracted, annoyed or stopped by it. The list below contains the addresses of sites that get the heaviest traffic, are recognized for their quick load times, or have user-friendly interfaces. Here's a test.