Everything you can place in <head>

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The <head> contains metadata about the current page. Example:

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

It does not accept any custom attributes (except for profile, which is obsolete).
There are 4 common things you can put in the <head> tag:

Here's a guide how to utilize your <head> element to the max:

The recommended minimum

It's highly recommended to have all of these tags in your <head> element:

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

Everything that you could use

<!--
    Set the base URL for all relative links
    For Example, src="./image.png" will become
    src="https://resources-cdn.example.com/mcAExB7pemqz/image.png"
-->
<base href="https://resources-cdn.example.com/mcAExB7pemqz">

<!--
    Link to an external stylesheet.
    It's recommended to only use this tag
    in <head> elements
-->
<link rel="stylesheet" href="style.css">

<!-- 
    Used for inlining stylesheets.
    It's recommended to only use this tag
    in <head> elements.
    Can be used for delivering critical CSS,
    in order to reduce for example Flash Of Unstyled Content.
-->
<style>
    body {
        font-family: Inter, -system-ui, Ubuntu, "Segoe UI", "Helvetica", sans-serif;
        line-height: 1.5;
    }
    #imageLoader {
        background-image:url("temp.webp");
    }
</style>

<!-- 
    Used to define the name of the application,
    if the website is meant to be used as one.
-->
<meta name="application-name" content="MyCompany Search">

<!-- 
    Theme Color of the website for
    Chrome, Firefox OS and Opera
-->
<meta name="theme-color" content="#fafafa">

<!-- 
    Used to describe the content of the page
    to search engines/
-->
<meta name="description" content="A description of the page">

<!-- 
    Allow crawlers to index your site.
    If you don't want your site to be crawled, 
    you can use noindex nofollow instead.
-->
<meta name="robots" content="index,follow">

<!--
    Same as above, but Google only.
-->
<meta name="googlebot" content="index,follow">

<!--
    Make Google not show the Sitelinks search box
    under the search results of your page.
-->
<meta name="google" content="nositelinkssearchbox">

<!--
    Disable Auto-Translation of the page in Google
    products such as Chrome.
-->
<meta name="google" content="notranslate">

<!--
    Prevent Google Assistant from reading your
    page aloud using the using the voice commands 
    "Read this page" and "Read it.".
-->
<meta name="google" content="nopagereadaloud">

<!--
    Verify the ownership of your page in Google Search Central
    https://developers.google.com/search/
-->
<meta name="google-site-verification" content="verification_token">

<!--
    Verify the ownership of your page in Yandex Webmaster
    https://webmaster.yandex.com
-->
<meta name="yandex-verification" content="verification_token">

<!--
    Verify the ownership of your page in Bing Webmasters
    https://www.bing.com/webmasters/about
-->
<meta name="msvalidate.01" content="verification_token">

<!--
    Verify the ownership of your page in Alexa Console
    https://www.alexa.com/
-->
<meta name="alexaVerifyID" content="verification_token">

<!--
    Verify the ownership of your page in Pinterest Console
    https://developers.pinterest.com/
-->
<meta name="p:domain_verify" content="code_from_pinterest">

<!--
    Verify the ownership of your page in Norton Safe Web
    https://safeweb.norton.com/help/site_owners

    ...why?
-->
<meta name="norton-safeweb-site-verification" content="norton_code">

<!--
    Give credit to the website generator that created this website.
    Examples: WordPress, DreamWeaver, FrontPage, Divi, Drupal, Gatsby, Wix, Pandora, CoreMedia
-->
<meta name="generator" content="creator">

<!-- 
    Short description what the website is about
-->
<meta name="subject" content="technology">

<!--
    Age rating for this website.
-->
<meta name="rating" content="General">

<!-- 
    Control how the referrer value is passed.
    Avalible options:
    none, none-when-downgrade,
    origin, origin-when-crossorigin,
    unsafe-url.
-->
<meta name="referrer" content="none">

<!--
    Don't automatically detect and format phone numbers.
-->
<meta name="format-detection" content="telephone=no">

<!-- 
    Web monetization - https://webmonetization.org/
-->
<meta name="monetization" content="$wallet.example.com/alice">

<!-- 
    Geography metatags
-->
<meta name="ICBM" content="latitude, longitude">
<meta name="geo.position" content="latitude;longitude">
<meta name="geo.region" content="country[-state]">
<meta name="geo.placename" content="city/town">

<!--
    Prevent duplicate content issues.
-->
<link rel="canonical" href="https://example.com/articles?page=6">

<!--
    If you need to support this work of satan that is Google AMP,
    indicate the AMPHTML version of the webpage.
-->
<link rel="amphtml" href="https://example.com/articles?page=6&amp=true">

<!--
    Link to a Web Manifest containing installation instructions for the page.
    Example Webmanifest:
    {
        "short_name": "pzpl",
        "name": "pzpl.xyz",
        "icons": [
            {
                "src": "/assets/favicon.png",
                "type": "image/png",
                "sizes": "256x256"
            },
            {
                "src": "/assets/favicon_2x.png",
                "type": "image/png",
                "sizes": "512x512"
            }
        ],
        "start_url": "/?installed=yes",
        "background_color": "#fafafa",
        "theme_color": "#fafafa",
        "display": "standalone"
    }
-->
<link rel="manifest" href="site.webmanifest">

<!-- 
    Link to a humanstxt file containing information
    about the creators of the page. 
-->
<link rel="author" href="humans.txt">

<!--
    Link to a license agreement
-->
<link rel="license" href="license.html">

<!--
    Link to a version of the current page
    in a different language
-->
<link rel="alternate" href="https://de.example.com/" hreflang="de">

<!--
    Provide information about the author
    of the webpage.
-->
<link rel="me" href="http://example.com/profiles/john-smith" type="text/html">
<link rel="me" href="mailto:webmaster@example.com">
<link rel="me" href="sms:+48647493583">

<!--
    Provide a link to the archives of the current resource.
-->
<link rel="archives" href="https://example.com/archives/">

<!-- 
    Link to the index of all resources.
-->
<link rel="index" href="https://example.com/articles?page=all">

<!-- 
    Provide Alternate versions of the page
-->
<link rel="self" type="application/atom+xml" href="https://example.com/atom.xml">

<!-- 
    Indicate pagination
-->
<link rel="first" href="https://example.com/articles?page=0">
<link rel="last" href="https://example.com/articles?page=99">
<link rel="prev" href="https://example.com/articles?page=5">
<link rel="next" href="https://example.com/articles?page=7">

<!--
    In case you use a third-party service
    to maintain your website, specify
    a link to edit it.
-->
<link rel="EditURI" href="https://example.com/xmlrpc.php?rsd" type="application/rsd+xml" title="RSD">

<!-- 
    Specify a URL to send a pingack when another
    website links to your website.
    You can use a service like webmention.io
-->
<link rel="pingback" href="https://example.com/xmlrpc.php">

<!-- 
    Specify a URL to notify when another
    website links to your website.
    A more modern wersion of pingbacks.
    You can use a service like webmention.io
-->
<link rel="webmention" href="https://example.com/webmention">

<!--
    Specify, that you use a micropub
    client for creating, editing, and deleting posts
-->
<link rel="micropub" href="https://example.com/micropub">

<!--
    Link to an Open Search Description
-->
<link rel="search" href="/open-search.xml" type="application/opensearchdescription+xml" title="Search Title">

<!--
    Feeds
-->
<link rel="alternate" href="http://example.com/feed.rss" type="application/rss+xml" title="RSS">
<link rel="alternate" href="http://example.com/feed.atom" type="application/atom+xml" title="Atom 0.3">

<!-- 
    Prefetch, Preconnect, Prerender, Preload assets.
    dns-prefetch - Nofify the client that we are going to need resources from another domain, so that the browser can run and cache the DNS Query for that domain, which will allow for a faster connection
    preconnect - Simillar to dns-prefetch, but it will also make a TCP handshake and an TLS negotiation
    prefetch - Fetch a resource that will be needed in the future.
    prerender - Load all assets from a specific document
    preload - Very simillar to prefetch
-->
<link rel="dns-prefetch" href="//example.com/">
<link rel="preconnect" href="https://www.example.com/">
<link rel="prefetch" href="https://www.example.com/sprites.png">
<link rel="prerender" href="https://example.com/cache-data.html">
<link rel="preload" href="image.png" as="image">

<!-- 
    Favicons
-->
<link rel="icon" type="image/x-icon" href="/favicon.ico">
<link rel="icon" type="image/png" href="/favicon.png">
<link rel="apple-touch-icon" href="/favicon.png">
<link rel="mask-icon" href="/favicon.svg" color="blue">

<!--
    Open Graph Protocol
    Note, you should add the prefix="og: https://ogp.me/ns#" attribute to your <html> tag if you use theese meta attributes
    og:url - Permament Link to the page
    og:type - Type of the page, avalible type: music.song, music.album, music.playlist, music.radio_station, video.movie, video.episode, video.tv_show, video.other, article, book, profile, website,
    og:title - Title of the page
    og:image - Image representing this page
    og:image:alt - Alternate text for the Image representing this page
    og:description - Description of the page
    og:site_name - Name of the website
    og:locale - Language of the page
    og:determiner - A word that appears before the title
    og:locale:altername - An array of other languages this content is avalible in.
    og:video - A video file to complement this page
-->
<meta property="og:url" content="https://example.com/page.html">
<meta property="og:type" content="website">
<meta property="og:title" content="Subpage title">
<meta property="og:image" content="https://example.com/image.jpg">
<meta property="og:image:alt" content="Alternate Text for the image">
<meta property="og:description" content="Description Here">
<meta property="og:site_name" content="My Website Name">
<meta property="og:locale" content="en_US">
<meta property="og:determiner" content="The">
<meta property="og:video" content="http://example.com/product-demo.webm">

<!-- 
    Open Graph Protocol Image Metadata
    og:image:secure_url - A link to a secure version of a image
    og:image:type - MIME Type of the image
    og:image:width - width of the image
    og:image:height - height of the image
-->
<meta property="og:image" content="http://example.com/ogp.jpg">
<meta property="og:image:secure_url" content="https://secure.example.com/ogp.jpg">
<meta property="og:image:type" content="image/jpeg">
<meta property="og:image:width" content="400">
<meta property="og:image:height" content="300">
<meta property="og:image:alt" content="A shiny red apple with a bite taken out">

<!-- 
    Open Graph Protocol Video Metadata
    og:video:secure_url - A link to a secure version of a video
    og:video:type - MIME Type of the video
    og:video:width - width of the video
    og:video:height - height of the video
-->
<meta property="og:video" content="https://example.com/movie.swf">
<meta property="og:video:secure_url" content="https://secure.example.com/movie.swf">
<meta property="og:video:type" content="application/x-shockwave-flash">
<meta property="og:video:width" content="400">
<meta property="og:video:height" content="300">

<!-- 
    Open Graph Protocol Audio Metadata
    og:audio:secure_url - A link to a secure version of a audio
    og:audio:type - MIME Type of the audio
-->
<meta property="og:audio" content="https://example.com/sound.mp3">
<meta property="og:audio:secure_url" content="https://secure.example.com/sound.mp3">
<meta property="og:audio:type" content="audio/mpeg">

<!-- 
    Open Graph Protocol og:type music.song properties
-->
<meta property="og:music:duration" content="4:22">
<meta property="og:music:album" content="Pure Relaxation Server Sounds">
<meta property="og:music:album:disc" content="3">
<meta property="og:music:album:track" content="Space Walk">
<meta property="og:music:musician" content="Hetzner Online">

<!-- 
    Open Graph Protocol og:type music.album properties
-->
<meta property="og:music:song" content="Space Walk">
<meta property="og:music:song:disc" content="3">
<meta property="og:music:song:track" content="4">
<meta property="og:musician" content="Hetzner Online">
<meta property="og:release_date" content="2021-04-01">

<!-- 
    Open Graph Protocol og:type music.playlist properties
-->
<meta property="og:music:song" content="Space Walk">
<meta property="og:music:song:disc" content="3">
<meta property="og:music:song:track" content="4">
<meta property="og:music:creator" content="Playlist Creator">

<!-- 
    Open Graph Protocol og:type music.radio_station properties
-->
<meta property="og:music:creator" content="Explorer FM">

<!-- 
    Open Graph Protocol og:type video.movie properties
-->
<meta property="og:video:actor" content="Jay Foreman">
<meta property="og:video:actor:role" content="Main Character">
<meta property="og:video:director" content="Jay Smith">
<meta property="og:video:writer" content="Name">
<meta property="og:video:duration" content="53:54:25">
<meta property="og:video:release_date" content="2021-04-01">
<meta property="og:video:tag" content="tags">

<!-- 
    Open Graph Protocol og:type video.episode properties
-->

<meta property="og:video:actor" content="Jay Foreman">
<meta property="og:video:actor:role" content="Main Character">
<meta property="og:video:director" content="Jay Smith">
<meta property="og:video:writer" content="Name">
<meta property="og:video:duration" content="53:54:25">
<meta property="og:video:release_date" content="2021-04-01">
<meta property="og:video:tag" content="tags">
<meta property="og:video:series" content="A TV series">

<!--
    Open Graph also honors video.tv_show and video.other, they have the same properties as video.movie
-->

<!-- 
    Open Graph Protocol og:type article properties
-->
<meta property="og:article:published_time" content="2021-04-01">
<meta property="og:article:modified_time" content="2021-04-01">
<meta property="og:article:expiration_time" content="2021-04-02">
<meta property="og:article:author" content="Ettie Rath">
<meta property="og:article:section" content="Technology">
<meta property="og:article:tag" content="tech,water">

<!-- 
    Open Graph Protocol og:type book properties
-->
<meta property="og:book:author" content="Ettie Rath">
<meta property="og:book:isbn" content="978-3-16-148410-0">
<meta property="og:book:release_date" content="2021-04-01">
<meta property="og:book:tag" content="tech">

<!-- 
    Open Graph Protocol og:type profile properties
-->
<meta property="og:profile:first_name" content="Ettie">
<meta property="og:profile:last_name" content="Rath">
<meta property="og:profile:username" content="ettierath_">
<meta property="og:profile:gender" content="male">

<!--
    Facebook App ID for Facebook Insights
-->
<meta property="fb:app_id" content="123456789">

<!--
    Twitter Metadata
    twitter:card - can be summary, summary_large_image, app or player
    twitter:site - link to website's twitter account
    twitter:creator - link to website's author twitter account
    twitter:url - Permament link to the current page
    twitter:title - title of the current page
    twitter:description - description of the current page
    twitter:image - link to the featured image
    twitter:image:alt - description of the featured image
    twitter:dnt - enable do not track - make twitter not personalize content based on this page
-->
<meta name="twitter:card" content="summary">
<meta name="twitter:site" content="@site_account">
<meta name="twitter:creator" content="@individual_account">
<meta name="twitter:url" content="https://example.com/page.html">
<meta name="twitter:title" content="Page Title">
<meta name="twitter:description" content="Description in less than 200 characters">
<meta name="twitter:image" content="https://example.com/image.webp">
<meta name="twitter:image:alt" content="Text description of the image">
<meta name="twitter:dnt" content="on">

<!-- 
    Schema.org Metadata
    Note: to use these tags you need the itemscope and itemtype attributes
-->
<meta itemprop="name" content="Title">
<meta itemprop="description" content="description less than 200 characters">
<meta itemprop="image" content="https://example.com/image.webp">

<!-- 
    Disable pinterest pinning on your website.
-->
<meta name="pinterest" content="nopin">

<!--
    If you need to support this work of satan that is Facebook Instant articles, use theese tags.
    Note that you need the link rel="canonical" attribute in place
-->
<meta property="op:markup_version" content="v1.0">
<meta property="fb:article_style" content="myarticlestyle">

<!-- 
    oEmbedE
    Example JSON oEmbed:
    {
        "version": "1.0",
        "type": "photo",
        "width": 240,
        "height": 160,
        "title": "ZB8T0193",
        "url": "http://farm4.static.flickr.com/3123/2341623661_7c99f48bbf_m.jpg",
        "author_name": "Bees",
        "author_url": "http://www.flickr.com/photos/bees/",
        "provider_name": "Flickr",
        "provider_url": "http://www.flickr.com/"
    }
    Example XML oEmbed:
    <?xml version="1.0" encoding="utf-8" standalone="yes"?>
    <oembed>
        <version>1.0</version>
        <type>photo</type>
        <width>240</width>
        <height>160</height>
        <title>ZB8T0193</title>
        <url>http://farm4.static.flickr.com/3123/2341623661_7c99f48bbf_m.jpg</url>
        <author_name>Bees</author_name>
        <author_url>http://www.flickr.com/photos/bees/</author_url>
        <provider_name>Flickr</provider_name>
        <provider_url>http://www.flickr.com/</provider_url>
    </oembed>
-->
<link rel="alternate" type="application/json+oembed" href="https://example.com/oembed-json" title="oEmbed Profile: JSON">
<link rel="alternate" type="text/xml+oembed" href="https://example.com/oembed-xml" title="oEmbed Profile: XML">

<!-- 
    Apple Metatags
    apple-itunes-app - Smart App Banner
    format-detection - disable automatic detection of telephone numbers
    apple-touch-startup-image - Launch Screen Image
    apple-mobile-web-app-title - Launch Icon Title
    apple-mobile-web-app-capable - Enable full-screen mode
    apple-mobile-web-app-status-bar-style - Status bar apperance
    alternate link - link to a native application 
-->
<meta name="apple-itunes-app" content="app-id=APP_ID,affiliate-data=AFFILIATE_ID,app-argument=SOME_TEXT">
<meta name="format-detection" content="telephone=no">
<link rel="apple-touch-startup-image" href="/favicon.png">
<meta name="apple-mobile-web-app-title" content="App Title">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<link rel="alternate" href="ios-app://APP-ID/http/url-sample.com">

<!--
    Android
    theme-color - Master color of the application
    mobile-web-app-capable - Allow adding to homescreen
    google-play-app & alternate link - Link to a native application
-->
<meta name="theme-color" content="#FAFAFA">
<meta name="mobile-web-app-capable" content="yes">
<meta name="google-play-app" content="app-id=package-name">
<link rel="alternate" href="android-app://package-name/http/url-sample.com">

<!-- 
    Chrome
    chrome-webstore-item - Link to an extension in the Chrome Web Store
    google - Do not translate this page
-->
<link rel="chrome-webstore-item" href="https://chrome.google.com/webstore/detail/APP_ID">
<meta name="google" content="notranslate">

<!-- 
    Microsoft
    skype_toolbar - Disable automatic formatting of phone numbers in the skype toolbar
    msapplication-config - Windows Tiles - Required minimal markup:
    <?xml version="1.0" encoding="utf-8"?>
    <browserconfig>
    <msapplication>
        <tile>
            <square70x70logo src="small.png"/>
            <square150x150logo src="medium.png"/>
            <wide310x150logo src="wide.png"/>
            <square310x310logo src="large.png"/>
        </tile>
    </msapplication>
    </browserconfig>
    msapplication-tooltip - A tooltip describing the website
    msapplication-starturl - Go to a custom page if the site is pinned
    msapplication-navbutton-color - like theme-color, but for internet explorer.
    msapplication-window - Set the dimensions of the window the page will open in
    msapplication-task - Add an option to the right-click menu on a pinned site
    msapplication-badge - Badge information to display on the start screen
    mssmarttagspreventparsing - Prevent Beta Versions of IE6 of replacing your content with links to other websites - It's not really recommended nowadays as nobody uses IE6 betas.
-->
<meta name="skype_toolbar" content="skype_toolbar_parser_compatible">
<meta name="msapplication-config" content="/browserconfig.xml">
<meta name="msapplication-tooltip" content="A description of what this site does.">
<meta name="msapplication-starturl" content="https://www.example.com/index.html?pinned=true">
<meta name="msapplication-navbutton-color" content="#ff0000">
<meta name="msapplication-window" content="width=800;height=600">
<meta name="msapplication-task" content="name=Task 1;action-uri=http://host/Page1.html;icon-uri=http://host/icon1.ico">
<meta name="msapplication-task" content="name=Task 2;action-uri=http://microsoft.com/Page2.html;icon-uri=http://host/icon2.ico">
<meta name="msapplication-badge" value="frequency=NUMBER_IN_MINUTES;polling-uri=https://www.example.com/path/to/file.xml">
<meta name="mssmarttagspreventparsing" content="true">

<!-- 
    360 Browser
    Select the rendering engine order
    First try webkit, then resort to internet explorer
-->
<meta name="renderer" content="webkit|ie-comp|ie-stand">

<!-- 
    QQ Mobile Browser
    x5-orientation - lock the orientation to either landscape or portrait
    x5-fullscreen - Display the page in fullscreen
    x5-page-mode - Display the page in Application Mode
-->
<meta name="x5-orientation" content="landscape">
<meta name="x5-fullscreen" content="true">
<meta name="x5-page-mode" content="app">

<!-- 
    UC Mobile Browser
    screen-orientation - lock the orientation to either landscape or portrait
    full-screen - Display the page in fullscreen
    imagemode -  Display images even if the user is in "text mode"
    browsermode - Display the page in Application Mode
    nightmode - Disable "Night Mode" for this website
    layoutmode - Reduce data transfer by simplifying the document
    wap-font-scale - Disable Scaling up the font size if there is a lot of text in the website.
-->
<meta name="screen-orientation" content="landscape">
<meta name="full-screen" content="yes">
<meta name="imagemode" content="force">
<meta name="browsermode" content="application">
<meta name="nightmode" content="disable">
<meta name="layoutmode" content="fitscreen">
<meta name="wap-font-scale" content="no">

<!-- 
    App Links
    al:ios - iOS
    al:android - Android
    al:web - Web Fallback
-->
<meta property="al:ios:url" content="applinks://docs">
<meta property="al:ios:app_store_id" content="12345">
<meta property="al:ios:app_name" content="App Links">
<meta property="al:android:url" content="applinks://docs">
<meta property="al:android:app_name" content="App Links">
<meta property="al:android:package" content="org.applinks">
<meta property="al:web:url" content="https://applinks.org/documentation">

<!-- 
    Indicate what themes are supported
-->
<meta name="color-scheme" content="light dark">
<meta name="supported-color-schemes" content="light dark">

<!-- 
    Dublin Core
-->
<meta name="DC.Abstract" content="Site Summary">
<meta name="DC.AccessRights" content="Information about who access the resource or an indication of its security status.">
<meta name="DC.AccrualMethod" content="The method by which items are added to a collection.">
<meta name="DC.AccrualPeriodicity" content="The frequency with which items are added to a collection.">
<meta name="DC.AccrualPolicy" content="The policy governing the addition of items to a collection.">
<meta name="DC.Alternative" content="An alternative name for the resource.">
<meta name="DC.Audience" content="A class of agents for whom the resource is intended or useful.">
<meta name="DC.Available" content="Date that the resource became or will become available.">
<meta name="DC.BibliographicCitation" content="A bibliographic reference for the resource.">
<meta name="DC.ConformsTo" content="An established standard to which the described resource conforms.">
<meta name="DC.Contributor" content="An entity responsible for making contributions to the resource.">
<meta name="DC.Coverage" content="The spatial or temporal topic of the resource, spatial applicability of the resource, or jurisdiction under which the resource is relevant.">
<meta name="DC.Created" content="Date of creation of the resource.">
<meta name="DC.Creator" content="An entity responsible for making the resource.">
<meta name="DC.Date" content="A point or period of time associated with an event in the lifecycle of the resource.">
<meta name="DC.DateAccepted" content="Date of acceptance of the resource.">
<meta name="DC.DateCopyrighted" content="Date of copyright of the resource.">
<meta name="DC.DateSubmitted" content="Date of submission of the resource.">
<meta name="DC.Description" content="An account of the resource.">
<meta name="DC.EducationLevel" content="A class of agents, defined in terms of progression through an educational or training context, for which the described resource is intended.">
<meta name="DC.Extent" content="The size or duration of the resource.">
<meta name="DC.Format" content="The file format, physical medium, or dimensions of the resource.">
<meta name="DC.HasFormat" content="A related resource that is substantially the same as the pre-existing described resource, but in another format.">
<meta name="DC.HasPart" content="A related resource that is included either physically or logically in the described resource.">
<meta name="DC.HasVersion" content="A related resource that is a version, edition, or adaptation of the described resource.">
<meta name="DC.Identifier" content="An unambiguous reference to the resource within a given context.">
<meta name="DC.InstructionalMethod" content="A process, used to engender knowledge, attitudes and skills, that the described resource is designed to support.">
<meta name="DC.IsFormatOf" content="A pre-existing related resource that is substantially the same as the described resource, but in another format.">
<meta name="DC.IsPartOf" content="A related resource in which the described resource is physically or logically included.">
<meta name="DC.IsReferencedBy" content="A related resource that references, cites, or otherwise points to the described resource.">
<meta name="DC.IsReplacedBy" content="A related resource that supplants, displaces, or supersedes the described resource.">
<meta name="DC.IsRequiredBy" content="A related resource that requires the described resource to support its function, delivery, or coherence.">
<meta name="DC.Issued" content="Date of formal issuance of the resource.">
<meta name="DC.IsVersionOf" content="A related resource of which the described resource is a version, edition, or adaptation.">
<meta name="DC.Language" content="A language of the resource.">
<meta name="DC.License" content="A legal document giving official permission to do something with the resource.">
<meta name="DC.Mediator" content="An entity that mediates access to the resource.">
<meta name="DC.Medium" content="The material or physical carrier of the resource.">
<meta name="DC.Modified" content="Date on which the resource was changed.">
<meta name="DC.Provenance" content="A statement of any changes in ownership and custody of the resource since its creation that are significant for its authenticity, integrity, and interpretation.">
<meta name="DC.Publisher" content="An entity responsible for making the resource available.">
<meta name="DC.References" content="A related resource that is referenced, cited, or otherwise pointed to by the described resource.">
<meta name="DC.Relation" content="A related resource.">
<meta name="DC.Replaces" content="A related resource that is supplanted, displaced, or superseded by the described resource.">
<meta name="DC.Requires" content="A related resource that is required by the described resource to support its function, delivery, or coherence.">
<meta name="DC.Rights" content="Information about rights held in and over the resource.">
<meta name="DC.RightsHolder" content="A person or organization owning or managing rights over the resource.">
<meta name="DC.Source" content="A related resource from which the described resource is derived.">
<meta name="DC.Spatial" content="Spatial characteristics of the resource.">
<meta name="DC.Subject" content="A topic of the resource.">
<meta name="DC.TableOfContents" content="A list of subunits of the resource.">
<meta name="DC.Temporal" content="Temporal characteristics of the resource.">
<meta name="DC.Title" content="A name given to the resource.">
<meta name="DC.Type" content="The nature or genre of the resource.">
<meta name="DC.Valid" content="Date (often a range) of validity of a resource.">
<meta name="DC.Contributor" content="An entity responsible for making contributions to the resource.">

Sources