What MIME-type must a cache manifest be served with?

How do you make an element draggable ?

The <strike> element is valid HTML5.

What is a Web Worker?

Which of the following is NOT a benefit offered by using application cache?

Which of the following defines a visible heading for a <details> element?

The ability to keep web page visitors at your site is called ________.

To upload a file, display the ____ bar, and then click the upload button or the add files button.

A(n) ____ makes an image appear as if it has a frame around it.

Use the ________ attribute on a

The ________ html5 element is used to configure the main navigation area on a web page.