HTML: Meta Language Tag Obsolete
the meta language tag, e.g.
<meta http-equiv="content-language" content="zh">
is now obsolete.
instead, use the โlangโ attribute, like this:
<body lang="zh">text</body>
Reference

the meta language tag, e.g.
<meta http-equiv="content-language" content="zh">
is now obsolete.
instead, use the โlangโ attribute, like this:
<body lang="zh">text</body>