When you speak of the web browsers then there are many of them, OPERA, GOOGLE CHROME, FIREFOX, IRE and others too. Each of them has their own kind of interface and their own resolution and their won way to reprints a website. So, make sure that you design the website for all the browsers before you make it live one must ensure that these websites are well designed for all browsers.
It is called cross browser compatibility.
The web design team and the web design expert will know about it and will ensure that the website they develop is for all browsers and has the resolution that fits all of the screens. The VGA monitors have a maximum of 640x480 pixels so the website must be able to fit at screen too, there must not be scroll bars for that screen it will be annoying if they have to see the content by scrolling down or horizontal. So you can have that in mind. You will need to keep this in mind when you are creating a web design for a large target audience. If your website design is not use screen friendly then it sure will create problems.
So your web design must be fitting al screen resolutions, these days most people do have resolution for 1024 x 768 but the above resolution must be kept in mind. This one is like a standard and must be kept in mind to. A web design which appeasers that way, is interest and is just good for your business too. A much more appealing and good looking website is the one that will attract more and more people. And that is what the website owner wants. So, get a website that is cross browser compatible and does not drive the customers away.