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I'm making a multi-language website and I'm sure that I saw a while ago that there is a meta tag to tell search engines the URL of the same page in a different language.
I'm currently using the language tag below, but is there another tag to list the same pages URL in different languages?
<meta http-equiv="content-language" content="en">
Something like??
<meta http-equiv="alternative-language" content="es" ref="/es/page.php">
Never used it, but in theory: