HTML and XHTML Step by Step

Key Points

• HTML stands for Hypertext Markup Language. It’s a system of placing code in a plain text file to make it appear with attractive formatting and with graphics and hyperlinks in a Web browser.

• XHTML is Extensible HTML, a version of HTML created in another language called Extensible Markup Language (XML). It is virtually identical to HTML but requires stricter adherence to the rules.

• A cascading style sheet is a text document that defines formatting for the various tags. When formatting a large Web site, you can save a lot of time by creating a single cascading style sheet and applying it to every page.

• You can use an HTML editor to manually enter the HTML tags yourself. Any plain text editor, including Notepad, can be an HTML editor.

• An HTML ...