<iframe> Tag — HTML Technical Interview Questions & Answers

Embeds another HTML document inline.

<iframe> Tag

  • Embeds another HTML document inline.
  • <iframe> is the <iframe> HTML element. HTML uses this tag so the browser (and screen readers) know what the piece is, not only how it looks.
  • Board: <iframe>…</iframe> Put it in body. Check it in the browser. Attributes go on the opening tag.
  • Trap: wrong nesting or missing a required attribute. CSS can still style it — don’t pick a tag only because of default italics.
  • Interview: name the tag, one attribute if it has a famous one (href, src, alt, for, type), one mistake.

Technical Interview Tip: <iframe>: the <iframe> HTML element. Example: <iframe>…</iframe>

Code Examples for <iframe> Tag

<iframe> Tag — working example

<iframe
  title="PrepPilot map"
  src="https://example.com/map"
  width="600"
  height="360"
  loading="lazy"
  referrerpolicy="no-referrer"
></iframe>

<iframe> Tag — always give iframes a title; prefer lazy loading and tight referrer policy.

How to Explain <iframe> Tag to an Interviewer

What is the <iframe> tag?

the <iframe> HTML element <iframe>…</iframe>

One common mistake?

wrong nesting or missing a required attribute