from http://code.lancepollard.com/complete-list-of-html-meta-tags/
< 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@hotmail.com ">
< meta name ="designer " content ="">
< meta name ="copyright " content ="">
< meta name ="reply-to " content ="email@hotmail.com ">
< 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 ="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 ="Expires " content ="0 ">
< meta http-equiv ="Pragma " content ="no-cache ">
< meta http-equiv ="Cache-Control " content ="no-cache ">
< meta name ="og:title " content ="The Rock "/>
< meta name ="og:type " content ="movie "/>
< meta name ="og:url " content ="http://www.imdb.com/title/tt0117500/ "/>
< meta name ="og:image " content ="http://ia.media-imdb.com/rock.jpg "/>
< meta name ="og:site_name " content ="IMDb "/>
< meta name ="og:description " content ="A group of U.S. Marines, under command of... "/>
< meta name ="fb:page_id " content ="43929265776 " />
< meta name ="og:email " content ="me@example.com "/>
< meta name ="og:phone_number " content ="650-123-4567 "/>
< meta name ="og:fax_number " content ="+1-415-123-4567 "/>
< meta name ="og:latitude " content ="37.416343 "/>
< meta name ="og:longitude " content ="-122.153013 "/>
< meta name ="og:street-address " content ="1601 S California Ave "/>
< meta name ="og:locality " content ="Palo Alto "/>
< meta name ="og:region " content ="CA "/>
< meta name ="og:postal-code " content ="94304 "/>
< meta name ="og:country-name " content ="USA "/>
< meta property ="og:type " content ="game.achievement "/>
< meta property ="og:points " content ="POINTS_FOR_ACHIEVEMENT "/>
< meta property ="og:video " content ="http://example.com/awesome.swf " />
< meta property ="og:video:height " content ="640 " />
< meta property ="og:video:width " content ="385 " />
< meta property ="og:video:type " content ="application/x-shockwave-flash " />
< meta property ="og:video " content ="http://example.com/html5.mp4 " />
< meta property ="og:video:type " content ="video/mp4 " />
< meta property ="og:video " content ="http://example.com/fallback.vid " />
< meta property ="og:video:type " content ="text/html " />
< meta property ="og:audio " content ="http://example.com/amazing.mp3 " />
< meta property ="og:audio:title " content ="Amazing Song " />
< meta property ="og:audio:artist " content ="Amazing Band " />
< meta property ="og:audio:album " content ="Amazing Album " />
< meta property ="og:audio:type " content ="application/mp3 " />
Use custom meta tags to store data that you need in javascript, instead of hard-coding that data into your javascript. I store my Google Analytics code in meta tags. Here's some examples:
< meta name ="google-analytics " content ="1-AHFKALJ "/>
< meta name ="disqus " content ="abcdefg "/>
< meta name ="uservoice " content ="asdfasdf "/>
< meta name ="mixpanel " content ="asdfasdf "/>
Company/Service Meta Tags
< meta name ="microid " content ="mailto+http:sha1:e6058ed7fca4a1921cq91d7f1f3b8736cd3cc1g7 " />
< meta name ="apple-mobile-web-app-capable " content ="yes ">
< meta content ="yes " name ="apple-touch-fullscreen " />
< meta name ="apple-mobile-web-app-status-bar-style " content ="black ">
< meta name ="format-detection " content ="telephone=no ">
< meta name ="viewport " content ="width = 320, initial-scale = 2.3, user-scalable = no ">
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 http-equiv ="X-UA-Compatible " content ="chrome=1 ">
< 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 " />
< link rel ="shortcut icon " href ="/images/favicon.ico " />
TweetMeme Meta Tags
< meta name ="tweetmeme-title " content ="Retweet Button Explained " />
< meta name ="blogcatalog " />
< meta name ="csrf-param " content ="authenticity_token "/>
< meta name ="csrf-token " content ="/bZVwvomkAnwAI1Qd37lFeewvpOIiackk9121fFwWwc= "/>
< meta name ="apple-mobile-web-app-capable " 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 = 320, initial-scale = 2.3, user-scalable = no ">
< meta name = "viewport " content = "width = device-width ">
< meta name = "viewport " content = "initial-scale = 1.0 ">
< meta name = "viewport " content = "initial-scale = 2.3, user-scalable = no ">
< link rel ="apple-touch-icon " href ="touch-icon-iphone.png " />
< link rel ="apple-touch-icon " sizes ="72x72 " href ="touch-icon-ipad.png " />
< link rel ="apple-touch-icon " sizes ="114x114 " href ="touch-icon-iphone4.png " />
< link rel ="apple-touch-startup-image " href ="/startup.png ">
< link rel ="apple-touch-icon " type ="image/png " href ="/apple-touch-icon.png " />
< link rel ="alternate " type ="application/rss+xml " title ="RSS " href ="http://feeds.feedburner.com/martini " />
< 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 ='prev ' title ='OpenSearch and OpenID? A sure way to get my attention. ' href ='http://blog.unto.net/opensearch/opensearch-and-openid-a-sure-way-to-get-my-attention/ ' />
< link rel ='next ' title ='Not blog ' href ='http://blog.unto.net/meta/not-blog/ ' />
< 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 ='shortlink ' href ='http://smallbiztrends.com/?p=43625 ' />
< 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 media ="only screen and (max-device-width: 480px) " href ="http://wordpress.org/style/iphone.css " type ="text/css " rel ="stylesheet " />