Uses of the New Window Command for Web Sites (Page 1 of 5 )
First, maybe the link in the web page is an external link. If the link is not opened in a new window the visitor will navigate away from your web site, which is bad for business, because you lose the visitor. Second, a list of links, such as a relevant products link, shows the details of the product. It is better to open each link in a new window, so visitors can have many choices. They can open multiple windows at once and compare each product in a separate window.
Look at Picture 1 - screenshot of the Top 10 Videos from Yahoo! Music channel. When you click a link, a new window will be opened and will play the video. When you finish the video, you can open another link and watch the video again. That provides the user with a lot of convenience when surfing the website.
Picture 1 - Top 10 Videos on Yahoo Music
Third, in some circumstances, you may want to customize the window in some way. For example, you may want to hide the menu bar, toolbar location, specify the width and height of the window, or make a window that cannot be resized. All such features require us to open a new window.
Well, there are a lot of reasons for us to open the link in a new window and in some special circumstances, it is simply better to open the link in a new window.