my issue is i am displaying german language character and my browser convert some character in question mark symbol. 
I have added image here you can see what is exact issue.
I have tried meta tag also like
still i am getting same issue. please help to correct code
my code
<meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <meta name="description" content="">
        <meta http-equiv="Content-Language" content="de, fr, it, en">
        <meta name="author" content="">
 
     
    