CHECK GLOSSARY · LANG-001

Missing page language

In plain words: The lang attribute helps screen readers, translation tools and search engines pick the right language.

How to fix it

Add lang="en" (or your language code) to the html tag.

Official sources

• W3C: language declarations

Related checks

• KEY-001: Target phrase missing from key spots
• CHARSET-001: Missing character encoding
• DEPR-001: Deprecated HTML tags
• EMAIL-001: Plain-text email address

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