Tutor profile: Neha D.

What are the most important metrics necessary for a usability test?

Efficiency, Effectiveness, and Satisfaction are the three important metrics in usability testing that evaluate the product or service based on these metrics.

What is the difference between HTML tags and HTML elements?

HTML elements tell the browser what text has to be rendered. When the elements are enclosed by brackets <>, they form HTML tags. Most of the time, tags come in a pair and surround content.

What is a CSS selector?

Selectors act as a link between HTML and CSS. Selectors are a string that identifies an HTML element to which a particular declaration is to be applied. For eg: In HTML: if the "ID" of an element is "First" In CSS: #First {} is used to change properties of the element whose ID is "First". This is the ID selector. Other types of selectors are: CSS Element Selector, CSS Class Selector, CSS Universal Selector & CSS Group Selector