Schema.org is a collaborative, community activity with a mission to create, maintain, and promote schemas for structured data on the Internet, on web pages, in email messages, and beyond.
Schema.org vocabulary can be used with many different encodings, including RDFa, Microdata and JSON-LD. These vocabularies cover entities, relationships between entities and actions, and can easily be extended through a well-documented extension model. Over 10 million sites use Schema.org to markup their web pages and email messages. Many applications from Google, Microsoft, Pinterest, Yandex and others already use these vocabularies to power rich, extensible experiences.
Founded by Google, Microsoft, Yahoo and Yandex, Schema.org vocabularies are developed by an open community process, using the public-schemaorg@w3.org mailing list and through GitHub.
A shared vocabulary makes it easier for webmasters and developers to decide on a schema and get the maximum benefit for their efforts. It is in this spirit that the founders, together with the larger community have come together - to provide a shared collection of schemas.
For more information visit Schema.
This is a basic xml blogger markup structure.
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html>
<html b:version='2' class='v2' expr:dir='data:blog.languageDirection' xmlns='http://www.w3.org/1999/xhtml' xmlns:b='http://www.google.com/2005/gml/b' xmlns:data='http://www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr' xmlns:og='http://ogp.me/ns#'>
<head>
<meta charset='UTF-8'/>
<title><data:blog.title/></title>
<b:skin><![CDATA[
/* Variable definitions
=======================
]]></b:skin>
<style type='text/css'>
/*
-----------------------------------------------
Blogger Template Style
Name : Basic Blogger Template
Designer : Agus Purwantoro
Release : April 2018
Version : 1.0
License : MIT
Email : me@aguspurwantoro.com
-----------------------------------------------
Thanks to:
- Eric Meyer (CSS Reset)
*/
/* Eric Meyer's Reset CSS v2.0 (http://meyerweb.com/eric/tools/css/reset/)
--------------------------------------------------------------------------------------- */
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:'';content:none}table{border-collapse:collapse;border-spacing:0}
</style>
</head>
<body>
<div id='wrapper'>
<header id='header-wrapper'>
<b:section class='header' id='header' maxwidgets='1'>
<b:widget id='Header1' locked='true' title='Basic Blogger Template (Header)' type='Header'></b:widget>
</b:section>
</header>
<nav id='navigation'>
<ul>
<li><a href=''>Home</a></li>
<li><a href=''>About</a></li>
</ul>
</nav>
<div class='clearfix'/>
<section id='outer-wrapper'>
<article id='article-wrapper'>
<b:section class='main' id='main'>
<b:widget id='Blog1' locked='true' title='Blog Posting' type='Blog'></b:widget>
</b:section>
</article>
</section>
<div class='clearfix'/>
<aside id='sidebar-wrapper'>
<b:section class='sidebar' id='sidebar' showaddelement='yes'></b:section>
</aside>
<div class='clearfix'/>
<footer id='footer-wrapper' itemscope='itemscope' itemtype='http://schema.org/WPFooter'>
<b:section class='footer' id='footer' showaddelement='yes'/>
<footer class='footer-left'>
Copyright © <script>new Date().getFullYear()>2010&&document.write(""+new Date().getFullYear());</script> <a href='/' rel='copyright'><data:blog.title/></a>
</footer>
<footer class='footer-right'>
Design by <a href='https://www.aguspurwantoro.com/' target='_blank' title='Blogger'>Agus Purwantoro</a>
</footer>
</footer>
</div>
</body>
</html>
Here a final layout with schema markup.<body class='index' itemscope='itemscope' itemtype='http://schema.org/WebPage'> <header id='header-wrapper' itemscope='itemscope' itemtype='http://schema.org/WPHeader'> <nav id='navigation' itemscope='itemscope' itemtype='http://schema.org/SiteNavigationElement' role='navigation'> <article id='article-wrapper' itemscope='itemscope' itemtype='http://schema.org/Blog' role='main'> <aside id='sidebar-wrapper' itemscope='itemscope' itemtype='http://schema.org/WPSideBar'> <footer id='footer-wrapper' itemscope='itemscope' itemtype='http://schema.org/WPFooter'>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html>
<html b:version='2' class='v2' expr:dir='data:blog.languageDirection' xmlns='http://www.w3.org/1999/xhtml' xmlns:b='http://www.google.com/2005/gml/b' xmlns:data='http://www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr' xmlns:og='http://ogp.me/ns#'>
<head>
<meta charset='UTF-8'/>
<title><data:blog.title/></title>
<b:skin><![CDATA[
/* Variable definitions
=======================
]]></b:skin>
<style type='text/css'>
/*
-----------------------------------------------
Blogger Template Style
Name : Basic Blogger Template
Designer : Agus Purwantoro
Release : April 2018
Version : 1.0
License : MIT
Email : me@aguspurwantoro.com
-----------------------------------------------
Thanks to:
- Eric Meyer (CSS Reset)
*/
/* Eric Meyer's Reset CSS v2.0 (http://meyerweb.com/eric/tools/css/reset/)
--------------------------------------------------------------------------------------- */
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:'';content:none}table{border-collapse:collapse;border-spacing:0}
</style>
</head>
<body class='index' itemscope='itemscope' itemtype='http://schema.org/WebPage'>
<div id='wrapper'>
<header id='header-wrapper' itemscope='itemscope' itemtype='http://schema.org/WPHeader'>
<b:section class='header' id='header' maxwidgets='1'>
<b:widget id='Header1' locked='true' title='Basic Blogger Template (Header)' type='Header'></b:widget>
</b:section>
</header>
<nav id='navigation' itemscope='itemscope' itemtype='http://schema.org/SiteNavigationElement' role='navigation'>
<ul>
<li><a href=''>Home</a></li>
<li><a href=''>About</a></li>
</ul>
</nav>
<div class='clearfix'/>
<section id='outer-wrapper'>
<article id='article-wrapper' itemscope='itemscope' itemtype='http://schema.org/Blog' role='main'>
<b:section class='main' id='main'>
<b:widget id='Blog1' locked='true' title='Blog Posting' type='Blog'></b:widget>
</b:section>
</article>
</section>
<div class='clearfix'/>
<aside id='sidebar-wrapper' itemscope='itemscope' itemtype='http://schema.org/WPSideBar'>
<b:section class='sidebar' id='sidebar' showaddelement='yes'></b:section>
</aside>
<div class='clearfix'/>
<footer id='footer-wrapper' itemscope='itemscope' itemtype='http://schema.org/WPFooter'>
<b:section class='footer' id='footer' showaddelement='yes'/>
<footer class='footer-left'>
Copyright © <script>new Date().getFullYear()>2010&&document.write(""+new Date().getFullYear());</script> <a href='/' rel='copyright'><data:blog.title/></a>
</footer>
<footer class='footer-right'>
Design by <a href='https://www.aguspurwantoro.com/' target='_blank' title='Blogger'>Agus Purwantoro</a>
</footer>
</footer>
</div>
</body>
</html>