What is a favicon and how is it added?

Short answer: A favicon is the small icon shown in the browser tab.

Example code

<link rel="icon" type="image/png" href="favicon.png"> Key Takeaway: Favicons help brand your site in the browser.

Real-world example (ShopNest)

ShopNest’s browser cart uses modern JavaScript: fetch APIs with async/await, modules, and clear error handling.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.