15 lines
538 B
HTML
15 lines
538 B
HTML
<!DOCTYPE html>
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<meta http-equiv="Accept-CH"
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content="sec-ch-viewport-width, sec-ch-ua-reduced"/>
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<meta http-equiv="Feature-Policy"
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content="ch-viewport-width *, ch-ua-reduced *"/>
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<title>Client Hint Echoing Iframe</title>
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<body>
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<script>
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window.parent.postMessage({'headers': {
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'sec-ch-viewport-width': '{{header_or_default(sec-ch-viewport-width, )}}',
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'sec-ch-ua-reduced': '{{header_or_default(sec-ch-ua-reduced, )}}',
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'sec-ch-ua-mobile': '{{header_or_default(sec-ch-ua-mobile, )}}',
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}}, '*');
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</script>
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</body>
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