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<meta>标签 - margic
- WBOYOriginal
- 2016-05-20 13:49:011448browse
1.viewport
能优化移动浏览器的显示。如果不是响应式网站，不要使用initial-scale或者禁用缩放。
大部分4.7-5寸设备的viewport宽设为360px；5.5寸设备设为400px；iphone6设为375px；ipone6 plus设为414px。
//表示支持响应式设计
width：控制 viewport 的大小，可以指定的一个值，如果 600，或者特殊的值，如 device-width 为设备的宽度（单位为缩放为 100% 时的 CSS 的像素）。
height：和 width 相对应，指定高度。
initial-scale：初始缩放比例，也即是当页面第一次 load 的时候缩放比例。
maximum-scale：允许用户缩放到的最大比例。
minimum-scale：允许用户缩放到的最小比例。
user-scalable：用户是否可以手动缩放（user-scalable=no//user-scalable=0,不允许用户手动缩放）
注意：content里多个属性的设置一定要用逗号+空格来隔开，如果不规范将不会起作用
WebApp全屏模式：伪装app，离线应用
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"apple-mobile-web-app-capable" <span class="hljs-attribute">content=<span class="hljs-value">"yes" /> //<span class="hljs-comment">启用 WebApp 全屏模式</span></span></span></span></span></span>
隐藏状态栏/设置状态栏颜色：只有在开启WebApp全屏模式时才生效。content的值为default | black | black-translucent
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"apple-mobile-web-app-status-bar-style" <span class="hljs-attribute">content=<span class="hljs-value">"black-translucent" /></span></span></span></span></span>
添加到主屏后的标题
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"apple-mobile-web-app-title" <span class="hljs-attribute">content=<span class="hljs-value">"标题"></span></span></span></span></span>
忽略数字自动识别为电话号码
<span class="hljs-tag">meta <span class="hljs-attribute">content=<span class="hljs-value">"telephone=no" <span class="hljs-attribute">name=<span class="hljs-value">"format-detection" /></span></span></span></span></span>
忽略识别邮箱
<span class="hljs-tag">meta <span class="hljs-attribute">content=<span class="hljs-value">"email=no" <span class="hljs-attribute">name=<span class="hljs-value">"format-detection" />
</span></span></span></span></span>
添加智能 App 广告条 Smart App Banner：告诉浏览器这个网站对应的app，并在页面上显示下载banner
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"apple-itunes-app" <span class="hljs-attribute">content=<span class="hljs-value">"app-id=myAppStoreID, affiliate-data=myAffiliateData, app-argument=myURL"></span></span></span></span></span>
<span class="hljs-comment"><!-- 针对手持设备优化，主要是针对一些老的不识别viewport的浏览器，比如黑莓 --></span><span class="hljs-comment"><span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"HandheldFriendly" <span class="hljs-attribute">content=<span class="hljs-value">"true">
</span></span></span></span></span></span>
<span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><!-- 微软的老式浏览器 -->
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"MobileOptimized" <span class="hljs-attribute">content=<span class="hljs-value">"320">
</span></span></span></span></span></span></span></span></span></span></span></span></span>
<span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><!-- uc强制竖屏 -->
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"screen-orientation" <span class="hljs-attribute">content=<span class="hljs-value">"portrait">
</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><!-- QQ强制竖屏 -->
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"x5-orientation" <span class="hljs-attribute">content=<span class="hljs-value">"portrait">
</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><!-- UC强制全屏 -->
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"full-screen" <span class="hljs-attribute">content=<span class="hljs-value">"yes">
</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><!-- QQ强制全屏 -->
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"x5-fullscreen" <span class="hljs-attribute">content=<span class="hljs-value">"true">
</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><!-- UC应用模式 -->
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"browsermode" <span class="hljs-attribute">content=<span class="hljs-value">"application"></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><!-- QQ应用模式 -->
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"x5-page-mode" <span class="hljs-attribute">content=<span class="hljs-value">"app">
</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><span class="hljs-tag"><span class="hljs-title"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-attribute"><span class="hljs-value"><span class="hljs-comment"><!-- windows phone 点击无高光 -->
<span class="hljs-tag">meta <span class="hljs-attribute">name=<span class="hljs-value">"msapplication-tap-highlight" <span class="hljs-attribute">content=<span class="hljs-value">"no"></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
网页相关
- 申明编码
<code><span class="hljs-tag"><<span class="hljs-title">meta <span class="hljs-attribute">charset=<span class="hljs-value">'utf-8' /> </span></span></span></span></code>
- 优先使用 IE 最新版本和 Chrome
<code><span class="hljs-tag"><<span class="hljs-title">meta <span class="hljs-attribute">http-equiv=<span class="hljs-value">"X-UA-Compatible" <span class="hljs-attribute">content=<span class="hljs-value">"IE=edge,chrome=1" /> <span class="hljs-comment"><!-- 关于X-UA-Compatible --> <span class="hljs-tag"><<span class="hljs-title">meta <span class="hljs-attribute">http-equiv=<span class="hljs-value">"X-UA-Compatible" <span class="hljs-attribute">content=<span class="hljs-value">"IE=6" ><span class="hljs-comment"><!-- 使用IE6 --> <span class="hljs-tag"><<span class="hljs-title">meta <span class="hljs-attribute">http-equiv=<span class="hljs-value">"X-UA-Compatible" <span class="hljs-attribute">content=<span class="hljs-value">"IE=7" ><span class="hljs-comment"><!-- 使用IE7 --> <span class="hljs-tag"><<span class="hljs-title">meta <span class="hljs-attribute">http-equiv=<span class="hljs-value">"X-UA-Compatible" <span class="hljs-attribute">content=<span class="hljs-value">"IE=8" ><span class="hljs-comment"><!-- 使用IE8 --> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></code>
- 浏览器内核控制：国内浏览器很多都是双内核（webkit和Trident），webkit内核高速浏览，IE内核兼容网页和旧版网站。而添加meta标签的网站可以控制浏览器选择何种内核渲染。
<code> <span class="hljs-tag"><<span class="hljs-title">meta <span class="hljs-attribute">name=<span class="hljs-value">"renderer" <span class="hljs-attribute">content=<span class="hljs-value">"webkit|ie-comp|ie-stand"> </span></span></span></span></span></span></code>
国内双核浏览器默认内核模式如下：
1. 搜狗高速浏览器、QQ浏览器：IE内核（兼容模式）
2. 360极速浏览器、遨游浏览器：Webkit内核（极速模式）
- 禁止浏览器从本地计算机的缓存中访问页面内容：这样设定，访问者将无法脱机浏览。
<code><span class="hljs-tag"><<span class="hljs-title">meta <span class="hljs-attribute">http-equiv=<span class="hljs-value">"Pragma" <span class="hljs-attribute">content=<span class="hljs-value">"no-cache"> </span></span></span></span></span></span></code>
- Windows 8
<code><span class="hljs-tag"><<span class="hljs-title">meta <span class="hljs-attribute">name=<span class="hljs-value">"msapplication-TileColor" <span class="hljs-attribute">content=<span class="hljs-value">"#000"/> <span class="hljs-comment"><!-- Windows 8 磁贴颜色 --> <span class="hljs-tag"><<span class="hljs-title">meta <span class="hljs-attribute">name=<span class="hljs-value">"msapplication-TileImage" <span class="hljs-attribute">content=<span class="hljs-value">"icon.png"/> <span class="hljs-comment"><!-- Windows 8 磁贴图标 --> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></code>
- 站点适配：主要用于PC-手机页的对应关系。
<code><span class="hljs-tag"><<span class="hljs-title">meta <span class="hljs-attribute">name=<span class="hljs-value">"mobile-agent"<span class="hljs-value">content="format=[wml|xhtml|html5]; <span class="hljs-attribute">url=<span class="hljs-value">url"> <span class="hljs-comment"><!-- [wml|xhtml|html5]根据手机页的协议语言，选择其中一种； url="url" 后者代表当前PC页所对应的手机页URL，两者必须是一一对应关系。 --> </span></span></span></span></span></span></span></span></code>
- 转码申明：用百度打开网页可能会对其进行转码（比如贴广告），避免转码可添加如下meta
<code><<span class="hljs-title">meta <span class="hljs-attribute">http-equiv=<span class="hljs-value">"Cache-Control" <span class="hljs-attribute">content=<span class="hljs-value">"no-siteapp" /><br /></span></span></span></span></span></code>
2.Content-Type和Content-Language (显示字符集的设定)
说明：设定页面使用的字符集，用以说明主页制作所使用的文字已经语言，浏览器会根据此来调用相应的字符集显示page内容。
用法：