| A | B |
| attribute | Part of a tag that further describes or defines an element, which consists of the attribute type and a value for that attribute. |
| browser | A computer program that allows users to view web pages. |
| Cascading Style Sheets | (CSS) (A presentation language which provides for the style, design and appearance of content. |
| closing tag | The second tag in a pair |
| Content Management System | (CMS) (A computer application that allows for content publishing, editing, organizing, deleting, and general maintenance from a central location. |
| domain name | The unique name for a website, which becomes part of the site’s URL and which must be formally registered. |
| element | A unit of a web page, defined by start and end tags. |
| empty element | Elements that do not have any content. |
| File Transfer Protocol | (FTP) (A communications protocol used to transfer files from one computer to another over a network. |
| hacking | The unauthorized modification of a website, usually in ways that distort the original purpose of the site or seek to harm the site’s owner. |
| Hypertext Markup Language | (HTML) (The code used to create web pages.) |
| metadata | Information about the data. |
| opening tag | The first tag in a pair. |
| tag | HTML code used to identify an element in an HTML file and instruct browsers on how and where to display the element. |
| Universal Resource Locator | (URL) (The unique address used to access a website. |
| validate | To check the code used to generate web pages to make sure it meets quality standards. |
| Web Content Accessibility Guidelines | WCAG) (Accessibility standards set by the WC3 for web developers to follow in order to make websites accessible to individuals with disabilities. |
| web editor | Computer software that creates HTML code automatically as part of the web design process. |
| web server | A computer used to store web pages so that browsers can access them. |
| well-formed code | Formatting code that meets the quality standards of the coding system. |
| World Wide Web Consortium | W3C) (Organization that sets standards for the World Wide Web, including such issues as privacy, markup languages, styles, and other issues. |
| XHTML | markup language similar to HTML but with stricter requirements. |
| HTML5 | is the latest evolution of the standard that defines HTML. |