doesn't appear favicon php code example

Example: doesn't appear favicon php

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>


</body>
</html>
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="docsearch:language" content="en">
    <meta name="docsearch:version" content="4.3">
    <meta content="width=device-width, initial-scale=1" name="viewport">
    <link rel="shortcut icon" type="image/png" href="images/gunyen%20logo%20dark.png"/>
    <!--https://developers.google.com/search/reference/robots_meta_tag#directives-->
    <!--<meta name="robots" content="index, follow, archive">-->
    <meta name="robots" content="nofollow, noindex">
...

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