1.8 URL structure & internationalisationMediumVerified
Missing lang attribute on <html>
What it is
No language declared.
Why it matters
Hurts accessibility (screen-reader pronunciation) and clarity of language.
How to fix it
Add lang to the html element.
Impact
Low-medium; a11y. Direct (WCAG).
Evidence
Declare page language for accessibility. W3C, Web Content Accessibility Guidelines (WCAG) 2.2