metadata · metadata.charset.missing
No charset declared in <head>
Without an explicit charset the browser guesses the encoding, which garbles non-ASCII text and emoji.
Why it matters
Browsers must guess the encoding, risking mojibake for non-ASCII content (Hindi, accented characters, emojis).
Example fix
<meta charset="utf-8" />
Authoritative reference
https://html.spec.whatwg.org/multipage/semantics.html#charset
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