If you attempt to preview your page in an Internet Explorer browser with Windows XP SP2 installed, you??™ll get a warning concerning active content on the local machine; Vista owners will not. Although this warning can be simply dismissed, it??™s a major hassle to do so repeatedly while in the design phase. To Internet Explorer, active content includes JavaScript, Flash, Active X objects, or Java applets. To lower the designer??™s stress levels, Dreamweaver engineers included an Insert Mark of the Web command. When Commands ??? Insert Mark of the Web is selected, this command inserts a bit of code that indicates the page was saved from the Web in an HTML comment, like this:
With the Mark of the Web code in place, Internet Explorer will not display the warning. Once the code is added to the page, it can be removed when it??™s time to publish by choosing Commands ??? Remove Mark of the Web. Because of the all-or-nothing capability of tags, many Webmasters use them cautiously, if at all. Linking to other files The Link object indicates a relationship between the current page and another page or file. Although many other intended uses exist, the tag is most commonly used to apply an external Cascading Style Sheet (CSS) to the current page.