How can you handle HTML validation errors?

Short answer: Use the W3C HTML Validator to check your markup. To fix errors: Close all tags properly. Avoid duplicate ids. Ensure attributes are correctly formatted. Use only valid HTML elements.

Example code

✅ Correct: <img src="logo.png" alt="Company Logo"> ❌ Incorrect: <img src="logo.png" alt=Company Logo> Follow me on LinkedIn: Key Takeaway: Clean, valid HTML ensures better rendering, SEO, and accessibility.

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.