Untitled

<html>
    <body>
        <button onclick="alert('width: ' + window.screen.availWidth + ' height: ' + window.screen.availHeight);">Window</button>
        <button onclick="alert('last modified: ' + document.lastModified);">LastModified</button>
        <button onclick="alert('pathname: '+ location.pathname);">pathname</button>
        <button onclick="alert('App version: ' + navigator.appVersion);">Version</button>
    </body>
</html>