diff --git a/src/_includes/post.liquid b/src/_includes/post.liquid
index 26d79f9e..c31907ea 100644
--- a/src/_includes/post.liquid
+++ b/src/_includes/post.liquid
@@ -3,14 +3,16 @@ layout: main
 ---
 
 {% include "header.liquid" %}
-
-<h2 class="text-xl md:text-2xl font-black leading-tight dark:text-gray-200 pt-12">{{title}}</h2>
-<div class="mt-2 mb-6 text-sm">
-    {{ date | date: "%m.%d.%Y" }}
-</div>
-
-<div class="prose dark:prose-invert hover:prose-a:text-blue-500  max-w-full text-gray-800 dark:text-white">
-  {{ content }}
-</div>
+<article class="h-entry">
+    <h2 class="p-name text-xl md:text-2xl font-black leading-tight dark:text-gray-200 pt-12">{{title}}</h2>
+    <span class="p-author h-card hidden">{{ site.title }}</span>
+    <div class="mt-2 mb-6 text-sm">
+        <time class="dt-published" datetime="{{ date }}">{{ date | date: "%m.%d.%Y" }}</time>
+    </div>
+    <div class="p-summary hidden">{{ post_excerpt | markdown }}</div>
+    <div class="e-content prose dark:prose-invert hover:prose-a:text-blue-500  max-w-full text-gray-800 dark:text-white">
+      {{ content }}
+    </div>
+</article>
 {% include "webmentions.liquid" %}
 {% include "author.liquid" %}
diff --git a/src/index.html b/src/index.html
index 16469a86..e4b1f210 100644
--- a/src/index.html
+++ b/src/index.html
@@ -9,21 +9,29 @@ pagination:
 ---
 
 {% include "now-topper.liquid" %} {% for post in pagination.items %} {% if post.data.published %}
-<div class="mb-8 border-b border-gray-200 pb-4 text-gray-800 dark:border-gray-700 dark:text-white">
-    <a class="no-underline" href="{{ post.url }}"
-        ><h2
-            class="m-0 text-xl font-black leading-tight tracking-normal dark:text-gray-200 md:text-2xl"
-        >
-            {{ post.data.title }}
-        </h2>
-    </a>
-    <div class="my-2 text-sm">
-    {{ post.date | date: "%m.%d.%Y" }}
+<article class="h-entry">
+    <div
+        class="mb-8 border-b border-gray-200 pb-4 text-gray-800 dark:border-gray-700 dark:text-white"
+    >
+        <a class="no-underline" href="{{ post.url }}"
+            ><h2
+                class="p-name m-0 text-xl font-black leading-tight tracking-normal dark:text-gray-200 md:text-2xl"
+            >
+                {{ post.data.title }}
+            </h2>
+        </a>
+        <span class="p-author h-card hidden">{{ site.title }}</span>
+        <div class="my-2 text-sm">
+            {
+            <time class="dt-published" datetime="{{ post.date }}"
+                >{ post.date | date: "%m.%d.%Y" }}</time
+            >
+        </div>
+        <p class="p-summary mt-0">{{ post.data.post_excerpt | markdown }}</p>
+        <div class="mt-4 flex items-center justify-between">
+            <a class="flex-none font-normal no-underline" href="{{ post.url }}">Read more &rarr;</a>
+        </div>
     </div>
-    <p class="mt-0">{{ post.data.post_excerpt | markdown }}</p>
-    <div class="mt-4 flex items-center justify-between">
-        <a class="flex-none font-normal no-underline" href="{{ post.url }}">Read more &rarr;</a>
-    </div>
-</div>
+</article>
 
 {% endif %} {% endfor %} {% include "paginator.liquid" %}