Some uses of h5meta tags

<meta charset='utf-8'>
    <!-- Prioritize the latest version of IE and Chrome -->
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
    <!-- page description-->
    <meta name="description" content="max 150 characters"/>
    <!-- Page Keywords-->
    <meta name="keywords" content=""/>
    <!-- Web page author-->
    <meta name="author" content="name, [email protected]"/>
    <!-- Search Engine Crawl -->
    <meta name="robots" content="index,follow"/>
    <!-- Add viewport for mobile devices -->
    <meta name="viewport" content="initial-scale=1, maximum-scale=3, minimum-scale=1, user-scalable=no">
    <!-- `width=device-width` causes black bars when opening pages in WebApp fullscreen mode after iPhone 5 is added to the home screen http://bigc.at/ios-webapp-viewport-meta.orz -->
 
    <!-- iOS device begin -->
    <meta name="apple-mobile-web-app-title" content="标题">
    <!-- Title added to the home screen (new in iOS 6) -->
    <meta name="apple-mobile-web-app-capable" content="yes"/>
    <!-- Whether to enable WebApp full screen mode, delete Apple's default toolbar and menu bar -->
 
    <meta name="apple-itunes-app" content="app-id=myAppStoreID, affiliate-data=myAffiliateData, app-argument=myURL">
    <!-- Add Smart App Banner (iOS 6+ Safari) -->
    <meta name="apple-mobile-web-app-status-bar-style" content="black"/>
    <!-- Set the color of the Apple toolbar -->
    <meta name="format-detection" content="telphone=no, email=no"/>
    <!-- Ignore the number in the page to identify as a phone, ignore the email identification-->
    <!-- Enable 360 ​​browser speed mode (webkit) -->
    <meta name="renderer" content="webkit">
    <!-- Avoid IE using compatibility mode-->
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <!-- Do not let Baidu transcode-->
    <meta http-equiv="Cache-Control" content="no-siteapp" />
    <!-- Optimized for handheld devices, mainly for some old browsers that do not recognize viewport, such as BlackBerry -->
    <meta name="HandheldFriendly" content="true">
    <!-- Microsoft's old browser -->
    <meta name="MobileOptimized" content="320">
    <!-- uc forced vertical screen -->
    <meta name="screen-orientation" content="portrait">
    <!-- QQ forced vertical screen -->
    <meta name="x5-orientation" content="portrait">
    <!-- UC force full screen -->
    <meta name="full-screen" content="yes">
    <!-- QQ forced full screen -->
    <meta name="x5-fullscreen" content="true">
    <!-- UC application mode-->
    <meta name="browsermode" content="application">
    <!-- QQ application mode-->
    <meta name="x5-page-mode" content="app">
    <!-- windows phone click no highlight-->
    <meta name="msapplication-tap-highlight" content="no">
    <!-- iOS icon begin -->
    <link rel="apple-touch-icon-precomposed" href="/apple-touch-icon-57x57-precomposed.png"/>
    <!-- iPhone and iTouch, default 57x57 pixels, must have -->
    <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/apple-touch-icon-114x114-precomposed.png"/>
    <!-- Retina iPhone and Retina iTouch, 114x114 pixels, optional, but recommended -->
    <link rel="apple-touch-icon-precomposed" sizes="144x144" href="/apple-touch-icon-144x144-precomposed.png"/>
    <!-- Retina iPad, 144x144 pixels, optional, but recommended -->
    <!-- iOS icon end -->
 
    <!-- iOS splash screen begin -->
    <link rel="apple-touch-startup-image" sizes="768x1004" href="/splash-screen-768x1004.png"/>
    <!-- iPad portrait 768 x 1004 (standard resolution) -->
    <link rel="apple-touch-startup-image" sizes="1536x2008" href="/splash-screen-1536x2008.png"/>
    <!-- iPad portrait 1536x2008 (Retina) -->
    <link rel="apple-touch-startup-image" sizes="1024x748" href="/Default-Portrait-1024x748.png"/>
    <!-- iPad landscape 1024x748 (standard resolution) -->
    <link rel="apple-touch-startup-image" sizes="2048x1496" href="/splash-screen-2048x1496.png"/>
    <!-- iPad landscape 2048x1496 (Retina) -->
 
    <link rel="apple-touch-startup-image" href="/splash-screen-320x480.png"/>
    <!-- iPhone/iPod Touch portrait 320x480 (standard resolution) -->
    <link rel="apple-touch-startup-image" sizes="640x960" href="/splash-screen-640x960.png"/>
    <!-- iPhone/iPod Touch 竖屏 640x960 (Retina) -->
    <link rel="apple-touch-startup-image" sizes="640x1136" href="/splash-screen-640x1136.png"/>
    <!-- iPhone 5/iPod Touch 5 竖屏 640x1136 (Retina) -->
    <!-- iOS splash screen end -->
 
    <!-- iOS device end -->
    <meta name="msapplication-TileColor" content="#000"/>
    <!-- Windows 8 tile color-->
    <meta name="msapplication-TileImage" content="icon.png"/>
    <!-- Windows 8 tile icon -->
 
    <link rel="alternate" type="application/rss+xml" title="RSS" href="/rss.xml"/>
    <!-- Add RSS feed-->
    <link rel="shortcut icon" type="image/ico" href="/favicon.ico"/>
    <!-- Add favicon icon -->

    <!-- sns social tag begin -->
    <!-- Reference Weibo API -->
    <meta property="og:type" content="类型" />
    <meta property="og:url" content="URL地址" />
    <meta property="og:title" content="标题" />
    <meta property="og:image" content="图片" />
    <meta property="og:description" content="描述" />
    <!-- sns social tag end -->
     <title> Program </ title>

</head>