Basic HTML Meta Tags

<meta charset="UTF-8">
<meta name="keywords" content="your, tags">
<meta name="description" content="150 words">
<meta name="subject" content="your website"s subject">
<meta name="copyright" content="company name">
<meta name="language" content="ES">
<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="">
<meta name="Classification" content="Business">
<meta name="author" content="name, [email protected]">
<meta name="designer" content="">
<meta name="reply-to" content="[email protected]">
<meta name="owner" content="">
<meta name="url" content="http://www.websiteaddrress.com">
<meta name="identifier-URL" content="http://www.websiteaddress.com">
<meta name="directory" content="submission">
<meta name="pagename" content="jQuery Tools, Tutorials and Resources - O'Reilly Media">
<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 name="subtitle" content="This is my subtitle">
<meta name="target" content="all">
<meta name="HandheldFriendly" content="True">
<meta name="MobileOptimized" content="320">
<meta name="date" content="Sep. 27, 2010">
<meta name="search_date" content="2010-09-27">
<meta name="DC.title" content="Unstoppable Robot Ninja">
<meta name="ResourceLoaderDynamicStyles" content="">
<meta name="medium" content="blog">
<meta name="syndication-source" content="https://mashable.com/2008/12/24/free-brand-monitoring-tools/">
<meta name="original-source" content="https://mashable.com/2008/12/24/free-brand-monitoring-tools/">
<meta name="verify-v1" content="dV1r/ZJJdDEI++fKJ6iDEl6o+TMNtSu0kv18ONeqM0I=">
<meta name="y_key" content="1e39c508e0d87750">
<meta name="pageKey" content="guest-home">
<meta itemprop="name" content="jQTouch">
<meta http-equiv="Expires" content="0">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Cache-Control" content="no-cache">
<meta http-equiv="imagetoolbar" content="no">
<meta http-equiv="x-dns-prefetch-control" content="off">

Blog Catalog Meta Tags

<meta name="blogcatalog">

Company Service Meta Tags

<meta name="apple-mobile-web-app-title" content="My App"> <!-- New in iOS6 -->
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-touch-fullscreen" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="format-detection" content="telephone=no">
<meta name="viewport" content="width=device-width; content="width = 320; initial-scale=1.0; maximum-scale=1.0; user-scalable=yes; target-densitydpi=160dpi">

<link href="/apple-touch-icon.png" rel="apple-touch-icon" type="image/png">
<link href="touch-icon-ipad.png" rel="apple-touch-icon" sizes="72x72">
<link href="touch-icon-iphone4.png" rel="apple-touch-icon" sizes="114x114">
<link href="/startup.png" rel="apple-touch-startup-image">

<link href="http://github.com/images/touch-icon-iphone4.png" sizes="114x114" rel="apple-touch-icon-precomposed">
<link href="http://github.com/images/touch-icon-ipad.png" sizes="72x72" rel="apple-touch-icon-precomposed">
<link href="http://github.com/images/apple-touch-icon-57x57.png" sizes="57x57" rel="apple-touch-icon-precomposed">

HTML Link Tags

<link rel="alternate" type="application/rss+xml" title="RSS" href="http://feeds.feedburner.com/martini">
<link rel="alternate" type="application/atom+xml" title="Atom 0.3" href="https://example.com/feed.atom">
<link rel="shortcut icon" type="image/ico" href="/favicon.ico">
<link rel="fluid-icon" type="image/png" href="/fluid-icon.png">
<link rel="me" type="text/html" href="http://google.com/profiles/thenextweb">
<link rel="shortlink" href="http://blog.unto.net/?p=353">
<link rel="archives" title="May 2003" href="http://blog.unto.net/2003/05/">
<link rel="index" title="DeWitt Clinton" href="http://blog.unto.net/">
<link rel="start" title="Pattern Recognition 1" href="http://blog.unto.net/photos/pattern_recognition_1_about/">
<link rel="bookmark"title="Styleguide" href="http://paulrobertlloyd.com/about/styleguide/">
<link rel="search" href="/search.xml" type="application/opensearchdescription+xml" title="Viatropos">

<link rel="self" type="application/atom+xml" href="http://www.syfyportal.com/atomFeed.php?page=3">
<link rel="first" href="http://www.syfyportal.com/atomFeed.php">
<link rel="next" href="http://www.syfyportal.com/atomFeed.php?page=4">
<link rel="previous" href="http://www.syfyportal.com/atomFeed.php?page=2">
<link rel="last" href="http://www.syfyportal.com/atomFeed.php?page=147">

<link rel="canonical" href="http://smallbiztrends.com/2010/06/9-things-to-do-before-entering-social-media.html">
<link rel="EditURI" type="application/rsd+xml" title="RSD" href="http://smallbiztrends.com/xmlrpc.php?rsd">
<link rel="pingback" href="http://smallbiztrends.com/xmlrpc.php">
<link rel="stylesheet" media="only screen and (max-device-width: 480px)" href="http://wordpress.org/style/iphone.css" type="text/css">
<link rel="wlwmanifest" href="http://www.example.com/wp-includes/wlwmanifest.xml" type="application/wlwmanifest+xml">

<link rel="help" title="FAQ" href="/faq">
<link rel="logo" type="image/svg" href="https://playfoursquare.s3.amazonaws.com/press/logo/foursquare-logo.svg">
<link rel="P3Pv1" href="/w3c/p3p.xml">
<link rel="publisher" href="https://plus.google.com/115081025762845243709/">
<link rel="image_src" href="http://du3itj18e4z0b.cloudfront.net/7b29fe/images/icon-facebook.gif" type="image/jpeg">

<link rel="author" href="humans.txt" type="text/plain">
<link href="http://thenextweb.com/2009/01/08/how-to-snap-up-that-twitter-username-youve-always-wanted/" rel="original-source">
<link rel="profile" title="Microformats" href="http://microformats.org/profile/specs/">
<link rel="profile" href="http://gmpg.org/xfn/11">

Internet Explorer Meta Tags

<meta http-equiv="Page-Enter" content="RevealTrans(Duration=2.0,Transition=2)">
<meta http-equiv="Page-Exit" content="RevealTrans(Duration=3.0,Transition=12)">
<meta name="mssmarttagspreventparsing" content="true">
<meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/>
<meta name="msapplication-starturl" content="http://blog.reybango.com/about/">
<meta name="msapplication-window" content="width=800;height=600">
<meta name="msapplication-navbutton-color" content="red">
<meta name="application-name" content="Rey Bango Front-end Developer">
<meta name="msapplication-tooltip" content="Launch Rey Bango"s Blog">
<meta name="msapplication-task" content="name=About;action-uri=/about/;icon-uri=/images/about.ico">
<meta name="msapplication-task" content="name=The Big List;action-uri=/the-big-list-of-javascript-css-and-html-development-tools-libraries-projects-and-books/;icon-uri=/images/list_links.ico">
<meta name="msapplication-task" content="name=jQuery Posts;action-uri=/category/jquery/;icon-uri=/images/jquery.ico">
<meta name="msapplication-task" content="name=Start Developing;action-uri=/category/javascript/;icon-uri=/images/script.ico">
<meta name="msvalidate.01" content="6E3AD52DC176461A3C81DD6E98003BC9">
<meta http-equiv="cleartype" content="on">

Rails Meta Tags

<meta name="csrf-param" content="authenticity_token">
<meta name="csrf-token" content="/bZVwvomkAnwAI1Qd37lFeewvpOIiackk9121fFwWwc=">

Windows 8 Meta Tags

<meta name="application-name" content=" Contoso" />
<meta name="msapplication-TileColor" content=" #009900" />
<meta name="msapplication-square70x70logo" content="images/smalltile.png" />
<meta name="msapplication-square150x150logo" content="images/mediumtile.png" />
<meta name="msapplication-wide310x150logo" content="images/widetile.png" />
<meta name="msapplication-square310x310logo" content="images/largetile.png" />
<meta name="msapplication-notification" content="frequency=30; polling-uri=notifications/contoso1.xml;
polling-uri2=notifications/contoso2.xml; polling-uri3=notifications/contoso3.xml" />