How to test Language of page

Which standards this maps to

Korean standard (KWCAG 2.2)

7.1.1 Language of page

Understandable

International standard (WCAG 2.2)

3.1.1 Language of Page (A) ↗

What automation covers

4 automated rules judge this checkpoint. Each comes with remediation guidance.

• html element must have a lang attribute html-has-lang

  Declare the page language on the html element.

• html lang attribute must be valid html-lang-valid

  Use a valid BCP 47 language code (e.g., ko, en).

• lang and xml:lang must match html-xml-lang-mismatch

  Make lang and xml:lang identical.

• lang attribute values must be valid valid-lang

  Ensure lang values on inline elements are valid codes.