Default language determination (language)
The page has a language attribute (e.g., <html lang="en"> or similar) on the <html> element.
Missing lang attribute:
This page lacks a lang attribute
The page has a language attribute (e.g., <html lang="en"> or similar) on the <html> element.
Missing lang attribute:
This page lacks a lang attribute
Note: Possible to automatically test. An auto-test can be performed by programmatically checking if the lang attribute is present on the html element.