Refractored code and added extra comments

views/pages/article.dt

@@ -8,12 +8,13 @@ block header
 block sidebar
 
 block content
-	article
+	article(itemscope, itemtype="https://schema.org/BlogPosting")
 		- import utils;
 		header
-			h1.title #{content.title}
+			h1.title(itemprop="headline") #{content.title}
 			p.subtitle 
-				| By #{content.author} on #{content.firstPublished.toHumanString}
+				| By <span itemprop="author">#{content.author}</span> 
+				| on <span itemprop="datePublished">#{content.firstPublished.toHumanString}</span>
 				- if (content.firstPublished != content.updated)
-					|, updated on #{content.updated.toHumanString}
-		| !{content.content}
+					|, updated on <span itemprop="dateModified">#{content.updated.toHumanString}</span>
+		section(itemprop="articleBody") !{content.content}