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meta-charset-position

Per HTML Living Standard §4.2.5.4 (Specifying the document's character encoding), the element containing the character encoding declaration — a meta element with a charset attribute, or a meta element with an http-equiv attribute in the Encoding declaration state — must be serialized completely within the first 1024 bytes of the document.

The limit is a byte count, not a character count: content before the declaration is measured as UTF-8-encoded bytes, so multi-byte characters count at their actual encoded size, not one per character.

❌ Examples of incorrect code for this rule

<!doctype html>
<!-- a comment or other content padding the document past 1024 bytes -->
<meta charset="utf-8" />

✅ Examples of correct code for this rule

<!doctype html> <meta charset="utf-8" />

Interface​

{
  "meta-charset-position": boolean
}

VALUE_DESCRIPTION

Options​

{
  "meta-charset-position": {
    "options": {
      "__OPTIONS_PROP_NAME__"?: boolean
    }
  }
}
PropertyTypeDefault ValueDescription
__OPTIONS_PROP_NAME__boolean"true"OPTIONS_PROP_DESCRIPTION

Default Severity​

error