front-end-checklist-4

Based on https://github.com/thedaviddias/Front-End-Checklist

8. Language attribute

      
      
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<html lang="en">

(1) lang 属性规定元素内容的语言。
(2) HTML5中强烈建议为 html 根元素指定 lang 属性,从而为文档设置正确的语言。这将有助于语音合成工具确定其所应该采用的发音,有助于翻译工具确定其翻译时所应遵守的规则等等。

9. Social meta

      
      
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<meta property="og:type" content="website">
<meta property="og:url" content="https://example.com/page.html">
<meta property="og:title" content="Content Title">
<meta property="og:image" content="https://example.com/image.jpg">
<meta property="og:description" content="Description Here">
<meta property="og:site_name" content="Site Name"> 大专栏  front-end-checklist-4
<meta property="og:locale" content="en_US">
<!-- Next tags are optional but recommended -->
<meta property="og:image:width" content="1200">
<meta property="og:image:height" content="630">
<!-- Twitter Card..... -->
<meta name="twitter:card" content="summary">
<meta name="twitter:site" content="@site_account">
<meta name="twitter:creator" content="@individual_account">
<meta name="twitter:url" content="https://example.com/page.html">
<meta name="twitter:title" content="Content Title">
<meta name="twitter:description" content="Content description less than 200 characters">
<meta name="twitter:image" content="https://example.com/image.jpg">

(1) og是一种新的HTTP头部标记,即Open Graph Protocol。这种协议可以让网页成为一个“富媒体对象”
(2) 用了Meta Property=og标签,就是你同意了网页内容可以被其他社会化网站引用等,目前这种协议被SNS网站如Fackbook、renren采用。任何网页只要遵守该协议,SNS就能从页面上提取最有效的信息并呈现给用户。

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转载自www.cnblogs.com/liuzhongrong/p/11874914.html