Which of the following describes an App shell?

• It comprises of all page elements which are dependant of the specific page contents
• It discourages caching of content that overlaps across pages of the website
• It provides a fast first impression gracefully transitioning to a fully loaded page
• None

Correct answer is:

• It provides a fast first impression gracefully transitioning to a fully loaded page

Explanation: An application shell is the minimal HTML, CSS, and JavaScript powering a user interface. The application shell should:

• Load fast
• Be cached
• Dynamically display content

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