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# HEAD
A collection of HTML head elements.
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## Meta Element
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``` html
< meta charset = "utf-8" >
< meta name = "viewport" content = "width=device-width, initial-scale=1" >
< meta name = "keywords" content = "your,keywords,here,comma,separated,no,spaces" >
< meta name = "description" content = "150 words" >
< meta name = "subject" content = "your website's subject" >
< meta name = "language" content = "en" >
< meta name = "robots" content = "index,follow" >
< meta name = "revised" content = "Sunday, July 18th, 2010, 5:15 pm" >
< meta name = "abstract" content = "" >
< meta name = "topic" content = "" >
< meta name = "summary" content = "" >
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< meta name = "classification" content = "business" >
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< meta name = "author" content = "name, email@example.com" >
< meta name = "designer" content = "" >
< meta name = "reply-to" content = "email@example.com" >
< meta name = "owner" content = "" >
< meta name = "url" content = "https://example.com/" >
< meta name = "identifier-URL" content = "https://example.com/" >
< meta name = "directory" content = "submission" >
< meta name = "category" content = "" >
< meta name = "coverage" content = "Worldwide" >
< meta name = "distribution" content = "Global" >
< meta name = "rating" content = "General" >
< meta name = "revisit-after" content = "7 days" >
< meta http-equiv = "refresh" content = "300;url=https://example.com/" >
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< meta name = "theme-color" content = "#E64545" >
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<!-- Cache Control -->
< meta http-equiv = "Expires" content = "0" >
< meta http-equiv = "Pragma" content = "no-cache" >
< meta http-equiv = "Cache-Control" content = "no-cache" >
```
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## Link Element
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``` html
< link rel = "copyright" href = "copyright.html" >
< link rel = "stylesheet" href = "https://example.com/styles.css" >
< link rel = "alternate" href = "https://feeds.feedburner.com/martini" type = "application/rss+xml" title = "RSS" >
< link rel = "alternate" href = "https://example.com/feed.atom" type = "application/atom+xml" title = "Atom 0.3" >
< link rel = "me" href = "https://google.com/profiles/thenextweb" type = "text/html" >
< link rel = "archives" href = "https://example.com/2003/05/" title = "May 2003" >
< link rel = "index" href = "https://example.com/" title = "DeWitt Clinton" >
< link rel = "start" href = "https://example.com/photos/pattern_recognition_1_about/" title = "Pattern Recognition 1" >
< link rel = "prev" href = "https://example.com/opensearch/opensearch-and-openid-a-sure-way-to-get-my-attention/" title = "OpenSearch and OpenID? A sure way to get my attention." >
< link rel = "search" href = "/search.xml" type = "application/opensearchdescription+xml" title = "Viatropos" >
< link rel = "self" type = "application/atom+xml" href = "https://example.com/atomFeed.php?page=3" >
< link rel = "first" href = "https://example.com/atomFeed.php" >
< link rel = "next" href = "https://example.com/atomFeed.php?page=4" >
< link rel = "previous" href = "https://example.com/atomFeed.php?page=2" >
< link rel = "last" href = "https://example.com/atomFeed.php?page=147" >
< link rel = "shortlink" href = "https://example.com/?p=43625" >
< link rel = "canonical" href = "https://example.com/2010/06/9-things-to-do-before-entering-social-media.html" >
< link rel = "EditURI" href = "https://example.com/xmlrpc.php?rsd" type = "application/rsd+xml" title = "RSD" >
< link rel = "pingback" href = "https://example.com/xmlrpc.php" >
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< link rel = "manifest" href = "manifest.json" >
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```
### Favicons
``` html
<!-- For IE 10 and below -->
<!-- No link, just place a file called favicon.ico in the root directory -->
<!-- For IE 11, Chrome, Firefox, Safari, Opera -->
< link rel = "icon" href = "path/to/favicon-16.png" sizes = "16x16" type = "image/png" >
< link rel = "icon" href = "path/to/favicon-32.png" sizes = "32x32" type = "image/png" >
< link rel = "icon" href = "path/to/favicon-48.png" sizes = "48x48" type = "image/png" >
< link rel = "icon" href = "path/to/favicon-62.png" sizes = "62x62" type = "image/png" >
<!-- More info: https://bitsofco.de/all - about - favicons - and - touch - icons/ -->
```
[All About Favicons (And Touch Icons) ](https://bitsofco.de/all-about-favicons-and-touch-icons/ )
## Social
### Facebook / Open Graph
``` html
< meta property = "og:url" content = "https://www.example.com/" >
< meta property = "og:title" content = "Content Title" >
< meta property = "og:description" content = "Description Here" >
< meta property = "og:site_name" content = "Site Name" >
< meta property = "og:image" content = "https://example.com/image.jpg" >
< meta property = "og:type" content = "website" >
< meta property = "og:locale" content = "en_US" >
< meta property = "fb:app_id" content = "Facebook numeric ID" >
< meta property = "fb:admins" content = "Facebook numeric ID" >
<!-- Facebook: https://developers.facebook.com/docs/sharing/webmasters#markup -->
<!-- Open Graph: http://ogp.me/ -->
```
[Facebook Open Graph Markup ](https://developers.facebook.com/docs/sharing/webmasters#markup )
[Open Graph protocol ](http://ogp.me/ )
### Twitter
``` html
< meta name = "twitter:card" content = "summary_large_image" >
< meta name = "twitter:site" content = "@publisher_handle" >
< meta name = "twitter:creator" content = "@author_handle" >
< 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" >
<!-- Twitter summary card with large image must be at least 280x150px -->
<!-- More info: https://dev.twitter.com/cards/getting - started -->
<!-- Validate: https://dev.twitter.com/docs/cards/validation/validator -->
```
[Twitter Cards: Getting Started Guide ](https://dev.twitter.com/cards/getting-started )
[Twitter Card Validator ](https://dev.twitter.com/docs/cards/validation/validator )
### Google+ / Schema.org
``` html
< meta itemprop = "name" content = "Content Title" >
< meta itemprop = "description" content = "Content description less than 200 characters" >
< meta itemprop = "image" content = "https://example.com/image.jpg" >
```
## Browser/Platform
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#### Apple iOS
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``` html
< meta name = "format-detection" content = "telephone=no" >
< meta name = "apple-mobile-web-app-title" content = "My App" >
< meta name = "apple-mobile-web-app-capable" content = "yes" >
< meta name = "apple-mobile-web-app-status-bar-style" content = "black" >
< meta name = "apple-touch-fullscreen" content = "yes" >
< link rel = "apple-touch-icon" href = "apple-touch-icon.png" >
< link rel = "apple-touch-icon-precomposed" href = "apple-touch-icon-precomposed.png" >
< link rel = "apple-touch-startup-image" href = "startup.png" >
<!-- More info: https://developer.apple.com/safari/library/documentation/appleapplications/reference/safarihtmlref/articles/metatags.html -->
```
[Apple Meta Tags ](https://developer.apple.com/safari/library/documentation/appleapplications/reference/safarihtmlref/articles/metatags.html )
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#### Internet Explorer
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``` html
< meta http-equiv = "x-ua-compatible" content = "ie=edge" >
< meta http-equiv = "cleartype" content = "on" >
<!-- Pinned Site -->
<!-- IE 10 / Windows 8 -->
< meta name = "msapplication-TileImage" content = "pinned-tile-144.png" >
< meta name = "msapplication-TileColor" content = "#009900" >
<!-- IE 11 / Windows 9.1 -->
< meta name = "msapplication-config" content = "ieconfig.xml" >
```
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#### Internet Explorer (LEGACY DO NOT USE)
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``` html
<!-- Legacy Tags (DO NOT USE) -->
< meta name = "mssmarttagspreventparsing" content = "true" >
< meta http-equiv = "page-enter" content = "revealtrans(duration=2,transition=2)" >
< meta http-equiv = "page-exit" content = "revealtrans(duration=3,transition=12)" >
```
##### Safari 9: Pinned tabs in El Capitan
```html
< link rel = "mask-icon" href = "icon.svg" color = "red" >
```
## Other Resources
- [HTML5 Boilerplate Docs: The HTML ](https://github.com/h5bp/html5-boilerplate/blob/master/dist/doc/html.md )
## Contributing
Open an issue or a pull request to suggest changes or additions.
## License
[MIT License ](LICENSE )