Which of the following file formats is NOT commonly supported by the <video> element?
BMP
MP4
WebM
Ogg
What does SVG stand for in the context of web development?
Standard Vector Graphics
Simple Visual Graphics
Static Vector Graphics
Scalable Vector Graphics
How does the <kbd> tag differ from the <code> tag in HTML?
<kbd>
<code>
<kbd> displays text in a fixed-width font, while <code> uses a proportional font.
<kbd> is for generic code snippets, while <code> represents user input.
<kbd> and <code> are interchangeable; there is no practical difference.
<kbd> is used for keyboard input, while <code> is for displaying programming code.
Which HTML5 input type is used to let the user enter a URL?
text
url
link
web
Which HTML element is used to indicate a lengthy quotation from another source?
<q>
<blockquote>
<cite>
Which attribute, when added to an input field, makes it mandatory for the user to fill out before submitting the form?
placeholder
disabled
required
readonly
Which attribute is used to control the order in which elements receive focus when the user navigates with the Tab key?
hidden
draggable
contenteditable
tabindex
Which attribute within the viewport meta tag is used to set the initial zoom level of the webpage?
height
user-scalable
initial-scale
width
Which HTML tag is used to embed external content from another source, like a webpage, into the current HTML document?
What is the primary purpose of Web Workers in HTML5?
To manipulate the DOM directly
To manage network requests
To handle user input events
To perform CPU-intensive tasks in the background