5.3 HTML Validation

Question 1

What is HTML validation?

Answer 1

The process of checking your HTML code for errors or best-practice violations.

Question 2

What tool can be used to validate HTML?

Answer 2

The W3C Markup Validation Service.

Question 3

Why is HTML Validation important?

Answer 3

Helps ensure cross-browser compatibility, clean code, & accessibility.

Question 4

How can you use the W3C validator?

Answer 4

By entering a URL, uploading a file, or pasting code directly.

Question 5

What does a warning in validation mean?

Answer 5

It’s not necessarily an error but suggests a best practice or potential issue.

Question 6

Does valid HTML guarantee correct rendering?

Answer 6

No, but it reduces errors & improves consistancy across browsers.

Question 7

Can validation improve accessibility?

Answer 7

Yes, valid HTML is easier to parse for assistive technologies.

Question 8

Can validation help with SEO?

Answer 8

Indirectly, clean semanting HTML is better understood by search engines.