The hreflang attribute specifies the language of the document in the link:
The hreflang attribute is supported in all major browsers.
The hreflang attribute specifies the language of the linked document.
This attribute is only used if the href attribute is set.
Note: This attribute is purely advisory.
|language_code||A two-letter language code that specifies the language of the linked document.
To view all available language codes, go to our Language code reference.
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