Here, the hreflang attribute indicates that the linked document is in English:
The hreflang attribute does not render as anything special in any of the major browsers. However, it can be used by search engines, or in scripts.
The hreflang attribute specifies the language of the text in 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
To view all available language codes, go to our Language code reference.
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