<base href="/upload/images/201509/cfcc6c13c28.gif" target="_blank">
<img src="/upload/images/201509/cfcc6c13c28.gif" width="24" height="39"> - Notice that we have only specified a relative address for the image. Since we have specified a base URL in the head section, the browser will look for the image at "/images/stickman.gif"
<a href="">shouce.ren</a> - Notice that the link opens in a new window, even if it has no target="_blank" attribute. This is because the target attribute of the base element is set to "_blank".