一些 <link> 标记分享

<link rel="alternate" media="handheld" href="#" />
<link rel="icon" sizes="any" mask href="https://xxx.com/favicon.svg">
<link rel="canonical" href="https://xxx.com/"> <link href="https://m.facebook.com/" rel="alternate" media="handheld">
<link href="https://m.xxx.com/" rel="alternate" media="only screen and (max- 640px)">
<link href="https://www.xxx.com/" rel="alternate" hreflang="x-default">
<link href="https://www.xxx.com/en" rel="alternate" hreflang="en">
<meta name="theme-color" content="#3b5998">
<script src="xx" crossorigin="anonymous"></script>
<noscript>&lt;meta http-equiv="refresh" content="0; URL=/?noscript=1" /&gt;</noscript>

<meta name="twitter:site" content="@xxx">
<meta name="twitter:image:src" content="https://xxx.png">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:creator" content="@xxx">
<meta name="twitter:app:name:iphone" content="xxx">
<meta name="twitter:app:id:iphone" content="xxx">
<meta name="twitter:app:url:iphone" content="medium:/p/xxx">
<link href="/manifest.json" rel="manifest">

<meta name="screen-orientation" content="portrait">
<meta name="x5-orientation" content="portrait">

<meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline' 'unsafe-eval' *.xiaogezi.cn;img-src 'self' *.xiaogezi.cn" />

<!-- SEO title / Title --><meta name="title" content="设计空间（预览）"/>

<!-- SEO description / Description -->

<meta name="description" content="了解如何使用设计空间（预览），它是为 Web 和应用程序设计人员提供的一种 Photoshop 附属体验。"/>

<!-- Experience Level % -->

<meta name="targetAudience"/>

<!-- Learning Approach (content-type) -->

<meta name="learningApproach"/>

<!-- Search phrases / keywords -->

<meta name="keywords" content="Photoshop,web graphics"/>

<!-- Geo -->

<meta name="Content-Locale" content="zh_CN"/>

<!-- Language -->

<meta name="Content-Language" content="zh_cn"/>

<!-- Last published date -->

<meta name="publishDate" content="2015-11-30T20:06:26.514Z"/>

<!-- Published URL -->

<meta name="publishExternalUrl" content="https://helpx.adobe.com/cn/photoshop/using/designspace.html"/>

<!-- Landing Page -->

<meta name="sling:resourceType" content="help/components/helppage"/>

<!-- Salesforce Id -->

<meta name="sfdcId" content="helpx.adobe.com/cn/photoshop/using/designspace.html"/>

<!-- Salesforce Article Group -->

<meta name="articleGroup" content="photoshop/using/designspace.html"/>

<!-- Creative field -->

<meta name="creativeField"/>

<!-- Topic -->

<meta name="topicTags" content="web graphics"/>

<!-- Priority -->

<meta name="contentStrategy"/>