Add last-modified capabilities

Author: csswizardry

_layouts/post.html

@@ -15,7 +15,14 @@
 
         <script>performance.mark('contentStart')</script>
 
-          <time class=post__date datetime={{ page.date | date: "%Y-%m-%d" }}  itemprop=datePublished>{{ page.date | date: "%-d %B, %Y" }}</time>
+        <p class=post__date>
+          <time datetime={{ page.date | date: "%Y-%m-%d" }}  itemprop=datePublished>{{ page.date | date: "%-d %B, %Y" }}</time>
+
+          {% if page.last_modified_at %}
+            <ins>last updated on <time datetime={{ page.last_modified_at | date: "%Y-%m-%d" }} itemprop=dateModified>{{ page.last_modified_at | date: "%-d %B, %Y" }}</time></ins>
+          {% endif %}
+
+        </p>
 
           <h1 itemprop="name  headline" elementtiming=page-title style="view-transition-name: x-{{ page.date | date: '%Y-%m-%d' }}">{{ page.title }}</h1>
 
@@ -132,7 +139,9 @@ <h1 itemprop="name  headline" elementtiming=page-title style="view-transition-na
 
             </div><div class="layout__item  one-half">
 
-            <p><a href=/contact/ class="btn  btn--full  btn--positive"><strong>Hire me</strong></a></p>
+            <p><a href=/consultancy/ class="btn  btn--full
+                                            btn--positive">
+              <strong>Hire me</strong><span class="hide"> as your site speed consultant</span></a></p>
 
           </div>
 

_posts/2023-01-10-why-not-document-write.md

@@ -8,6 +8,7 @@ meta: "We’re often told not to use document.write(), but… why?!"
 faq:
   - question: "Why is document.write() bad for performance?"
     answer: "document.write() forces scripts to block DOM construction during their download by hiding them from the Preload Scanner. This means that scripts injected with document.write() are always fully synchronous."
+last_modified_at: 2025-06-01
 ---
 
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