Meta tag collation

<!-- 声明文档 -->

<meta charset='utf-8'>

<!-- 指示IE以目前可用的最高模式显示内容 -->

<meta http-equiv="x-ua-compatible" content="ie=edge" / >

<!-- SEO 优化 页面描述 -->

<meta name="description" content=" no more than 150 characters "

<!-- 页面关键词 -->

<meta name="keywords" content="HTML5, CSS3, keywords " 

<!-- 定义网页作者 -->

<meta name="author" content=" Heroes " />

//定义网页搜索引擎索引方式，robotterms是一组使用英文逗号「,」分割的值
//通常有如下几种取值：none，noindex，nofollow，all，index和follow。

<meta name="robots" content="index,follow"/>

<!-- http-equiv属性 -->

//用以说明主页制作所使用的文字以及语言；又如英文是ISO-8859-1字符集，还有BIG5、utf-8、shift-Jis、Euc、Koi8-2等字符集；

<meta http-equiv="content-type" contect="text/html"; charset=gb_2312-"><meta http-equiv="content-language " contect=" > "zh-cn"

//定时让网页在指定的时间n内，跳转到页面http://yourlink；

<meta http-equiv="Refresh"  contect="n;url=http://yourlink" >   

　//定时让网页在指定的时间n内刷新

<meta http-equiv="Refresh"  contect="n" >     

//可以用于设定网页的到期时间，一旦过期则必须到服务器上重新调用。需要注意的是必须使用GMT时间格式；

<meta http-equiv="Expires" contect="mon,12 May 2001 00:20:00 GMT  ">

//是用于设定禁止浏览器从本地机的缓存中调阅页面内容，设定后一旦离开网页就无法从Cache中再调出；

<meta http-equiv="Pragma" contect="no-cache " >

//cookie设定，如果网页过期，存盘的cookie将被删除。需要注意的也是必须使用GMT时间格式；

<meta http-equiv="set-cookie" contect="mon,12 May 2001 00:20:00 GMT ">

//网页等级评定，在IE的internet选项中有一项内容设置，可以防止浏览一些受限制的网站，而网站的限制级别就是通过meta属性来设置的；

<meta http-equiv="pics-label " contect= "">

//强制页面在当前窗口中以独立页面显示，可以防止自己的网页被别人当作一个frame页调用；

<meta http-equiv="windows-target" contect="_top">

//设定进入和离开页面时的特殊效果，这个功能即FrontPage中的“格式/网页过渡”，不过所加的页面不能够是一个frame页面。

<meta http-equiv="page-enter" contect="Revealtrans (duration=10, transtion=)"><meta http-equiv="page-exit" contect=" Revealtrans (duration=20,transtion=6) ">

<!-- 为移动设备添加 viewport -->

<meta name ="Viewport"Content ="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, User-scalable=no">//Content parameter Explanation://Width viewport widths (numeric/device-width)//Height viewport Altitude (numeric/device-height)//Initial-scale Initial zoom ratio//Maximum-scale Maximum zoom ratio//Minimum-scale Minimum zoom ratio//user-scalable whether to allow user scaling (yes/no)//Minimal-ui New in IOS 7.1 Beta 2, you can minimize the upper and lower status bar when the page loads. //This is a Boolean value that can be written directly like this:<meta name="Viewport"Content="width=device-width, initial-scale=1, Minimal-ui">

<!-- iOS 设备 -->

<meta name="apple-mobile-web-app-title" content=" title " >     

<!--launch iOS safari from desktop icon to go full screen (app mode)--><meta name="apple-mobile-web-app-capable"Content="Yes"> <!--Add to home screen, full screen--><meta name="Apple-touch-fullscreen"Content="Yes"> <!--Specifies the color of the status bar--><meta name="Apple-mobile-web-app-status-bar-style"Content="Black"> < disable digital recognition as clickable telephone link--><meta name= on iOS devices!--"format-detection"Content="Telephone=no"> <!--page css is calculated using a width of 320, the initial zoom ratio of 2.3, user scaling is not allowed and the maximum scaling factor is 1--><meta name="Viewport"Content="width = Initial-scale = 2.3, user-scalable = no, maximum-scale=1"> <!--page css is calculated using the width based on the device given value adaptive--><meta name="Viewport"Content ="width = device-width">

<!--iOS icons rel parameter --Apple-touch-icon pictures are automatically processed into rounded corners and highlights and other effects. Apple-touch-icon-precomposed prevents the system from automatically adding effects, directly showing the original design. <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= "72x72" href= "/ Apple-touch-icon-72x72-precomposed.png "/>//ipad,72x72 pixels, can not, but recommended <link rel=" apple-touch-icon-precomposed " Sizes= "114x114" href= "/apple-touch-icon-114x114-precomposed.png"/>//retina iPhone and Retina itouch,114x114 pixels, can not , but it is recommended to have <link rel= "apple-touch-icon-precomposed" sizes= "144x144" href= "/apple-touch-icon-144x144-precomposed.png" />//retina ipad,144x144 pixels, can not, recommend everyone use <meta name= "Apple-mobile-web-app-title" content= "title" >// Title is best limited to six Chinese length, the extra-long content will be hidden, added to the main screen after the title (iOS 6 new) <!--IOS splash screen-->//ipad boot screen is not included in the status bar area. IPad Vertical screen 768 x 1004 (standard resolution) <link rel= "Apple-touch-startup-image" sizes= "768x1004" href= "/ Splash-screen-768x1004.png "/>//ipad vertical screen 1536x2008 (Retina) <link rel=" apple-touch-stArtup-image "sizes=" 1536x2008 "href="/splash-screen-1536x2008.png "/>//ipad horizontal screen 1024x748 (standard resolution) <link rel=" Apple-touch-startup-image" sizes="1024x748" href="/splash-screen-1024x748.png" />

Meta tag collation