Meta tags detailed description

Meta tags can provide page element information, using the definition of key-value pairs, you can record the main information on the Web page, you can customize the key value pairs

Properties content (required), name, http-equiv, scheme, Lang

Common meta Headers:

Set the encoding information <meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>
Set Language <meta http-equiv= "content-language" content= "ZH-CN"/>
Set redirect <meta http-equiv= "Refresh" content= "15; Url=http://www.baidu.com "/>
Set cache time <meta http-equiv= "Expires" content= "Web, June 18:21:57 GMT"/>
Do not use cache <meta http-equiv= "Pragma" content= "No-cach"/>
Set keyword <meta name= "Keywords" content= "Key1,key2,..."/>
Set description information <meta name= "Description" content= "Description abc"/>
Set to search engine crawl <meta name= "Robots" content= "all| none| Index| Noindex| follow| Nofollow "/>
Set the viewable area <meta name= "viewport" content= "Width=device-width, initial-scale=1.0, maximum-scale=1.0, User-scalable=0 "/>

Browser use:
<!--domestic browser kernel selection--<meta N Ame= "renderer" content= "Webkit|ie-comp|ie-stand" >
<!--Use the latest version of Internet Explorer, or chrome--> <meta http-equiv= "x- Ua-compatible "content=" ie=edge,chrome=1 "/>
<!--optimized for handheld devices, primarily for older browsers that do not recognize viewport, such as BlackBerry-to-<meta name= "handheldfriendly" content= "true" >
<!--Microsoft's Vintage browser--<meta N Ame= "mobileoptimized" content= ">"
<!--UC Force vertical screen-< Meta name= "Screen-orientation" content= "Portrait" >
<!--QQ Force vertical Screen--< Meta name= "X5-orientation" content= "Portrait" >
<!--UC Mandatory fullscreen-< Meta name= "Full-screen" content= "yes" >
<!--QQ Force 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 ">
<!--non-transcoding--<me Ta http-equiv= "Cache-control" content= "No-siteapp"/>
Prohibit digital knowledge automatically for phone number <meta name= "format -detection "content=" Telephone=no "/>
Prohibit recognition of mailboxes <meta Nam E= "Format-detection" content= "Email=no"/>

iOS-specific:
Enable WebApp mode <meta name= "apple-mobile-web-app-capable" content= "yes"/>
Change the appearance of WebApp mode <meta name= "Apple-mobile-web-app-status-bar-style" content= "Black"/>

Windows Phone-specific:
<!--Windows 8 tile Color--<meta name = "Msapplication-tilecolor" content= "#000"/>
<!--Windows 8 tile icon--<meta Nam E= "Msapplication-tileimage" content= "Icon.png"/>

For content inside the key value of the meaning, you can search by themselves

Meta tags detailed description