The average time can be from few hours to six labor days after it is done.

Us Design is made for most commun and standart computer and browser in the net and look similar for most of then so depend it:

1. If the computer is Pc or Mac.
2. The operative system( Microsoft OS, Linux, Mac OS...).
3. The brower(Internet Explore, Netscape Navegator, Mozilla,Opera, others)
4. The version of the browser.
5. The Size(14",17",19",21",...) ,resolution(600x800,1024x764,...) and quality color of your screen.

The main raison can be:

1. The speed your connection to internet.
2. The computer are running so many programs and/or windows in same time.
3. Need to be clean up and/or optimaze your computer.
4. Your web site have special effects and/or multimedia to make heavy it.