chromium/chrome/test/data/client_hints/meta_equiv_delegate_ch_injection.html

<html>
<head>
    <link rel="icon" href="data:;base64,=">
    <meta http-equiv="Delegate-CH" content="">
</head>
<body>
    <script type="text/javascript">
        document.getElementsByTagName('meta')[0].setAttribute("content", "dpr;sec-ch-dpr;device-memory;sec-ch-device-memory;viewport-width;sec-ch-viewport-width;rtt;downlink;ect");
        document.head.outerHTML += '<meta http-equiv="Delegate-CH" content="sec-ch-ua-arch;sec-ch-ua-platform;sec-ch-ua-model">';
        document.head.innerHTML += '<meta http-equiv="Delegate-CH" content="sec-ch-ua-full-version;sec-ch-ua-bitness;sec-ch-ua-full-version-list;sec-ch-ua-wow64;sec-ch-ua-form-factors">';
        document.write('<meta http-equiv="Delegate-CH" content="sec-ch-ua-platform-version;sec-ch-prefers-color-scheme;sec-ch-prefers-reduced-motion;sec-ch-viewport-height;sec-ch-prefers-reduced-transparency">');
        document.body.innerHTML += '<img src="non-existing-image.jpg"></img>';
    </script>
</body>
</html>