According to this page , the viewport meta tag syntax is incorrect.
Even if the iPad doesn't complain about it, it should be
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
And not
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=no;" />
Note the colon instead of semicolons
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