HTML (Hypertext Markup Language) is the primary markup language used for creating web pages. It defines the structure and content of a web page.

The CSS property width is used to define the width of an element.

A CSS preprocessor is a tool that allows you to write CSS code in a more concise and maintainable way. It then compiles the preprocessed code into regular CSS code.

React is a popular JavaScript framework for building single-page applications. It allows you to create interactive and responsive user interfaces.

The primary purpose of a web browser is to display web pages. It allows users to access and interact with websites.

All of the above options correctly describe the difference between a web designer and a web developer.

Cloud hosting is not a common type of web hosting. Shared hosting, dedicated hosting, and VPS hosting are more common.

A CDN is used to improve the performance of a website by caching static content, such as images, videos, and CSS files. This allows the content to be delivered to users more quickly.

The HTTP status code 404 Not Found indicates that the web page or resource requested by the user could not be found on the server.

A favicon is a small icon that is displayed in the browser's tab or address bar. It is used to represent the website and make it easier for users to identify.

Flash animation is not a common web design trend anymore. It has been replaced by more modern technologies such as HTML5 and CSS3.

A style guide in web design serves all of the purposes mentioned in the options.

Microsoft Word is not a common web design tool. It is a word processing software used for creating and editing documents.

A web analytics tool is used to track website traffic and user behavior. It provides insights into how users interact with a website and helps website owners make informed decisions about improving the website's design and content.

Certified Ethical Hacker (CEH) is not a common web design certification. It is a certification for ethical hackers who are skilled in identifying and exploiting vulnerabilities in computer systems.