diff --git a/2019/04/16/hello-world/index.html b/2019/04/16/hello-world/index.html
index 60933c3..6dd9466 100644
--- a/2019/04/16/hello-world/index.html
+++ b/2019/04/16/hello-world/index.html
@@ -86,8 +86,8 @@ img.emoji {
 		
 <div>
 	<ol class="discussion-avatar-list">
-<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
-<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
+<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
+<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
 </ol><!-- .discussion-avatar-list -->
 	<p class="flex items-center text-sm">
 		<svg class="svg-icon" width="16" height="16" aria-hidden="true" role="img" focusable="false" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M21.99 4c0-1.1-.89-2-1.99-2H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h14l4 4-.01-18z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg>		<span class="ml-2">2 Comments</span>
@@ -99,7 +99,7 @@ img.emoji {
 			<article id="div-comment-1" class="comment-body">
 				<footer class="comment-meta">
 					<div class="comment-author vcard">
-						<a href="https://wordpress.org/" rel="external nofollow" class="url"><img alt='' src='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><b class="fn"><a href='https://wordpress.org/' rel='external nofollow' class='url'>A WordPress Commenter</a></b> <span class="screen-reader-text says">says:</span></a>					</div><!-- .comment-author -->
+						<a href="https://wordpress.org/" rel="external nofollow" class="url"><img alt='' src='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><b class="fn"><a href='https://wordpress.org/' rel='external nofollow' class='url'>A WordPress Commenter</a></b> <span class="screen-reader-text says">says:</span></a>					</div><!-- .comment-author -->
 
 					<div class="comment-metadata">
 						<a href="index.html#comment-1">
@@ -123,7 +123,7 @@ Commenter avatars come from <a href="https://gravatar.com/">Gravatar</a>.</p>
 			<article id="div-comment-2" class="comment-body">
 				<footer class="comment-meta">
 					<div class="comment-author vcard">
-						<img alt='' src='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><span class="post-author-badge" aria-hidden="true"><svg class="svg-icon" width="24" height="24" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"></path><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"></path></svg></span><b class="fn">admin</b> <span class="screen-reader-text says">says:</span>					</div><!-- .comment-author -->
+						<img alt='' src='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><span class="post-author-badge" aria-hidden="true"><svg class="svg-icon" width="24" height="24" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"></path><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"></path></svg></span><b class="fn">admin</b> <span class="screen-reader-text says">says:</span>					</div><!-- .comment-author -->
 
 					<div class="comment-metadata">
 						<a href="index.html#comment-2">
diff --git a/2019/04/16/hello-world/index0e22.html b/2019/04/16/hello-world/index0e22.html
index e650e32..1d12efc 100644
--- a/2019/04/16/hello-world/index0e22.html
+++ b/2019/04/16/hello-world/index0e22.html
@@ -87,8 +87,8 @@ img.emoji {
 		
 <div>
 	<ol class="discussion-avatar-list">
-<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
-<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
+<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
+<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
 </ol><!-- .discussion-avatar-list -->
 	<p class="flex items-center text-sm">
 		<svg class="svg-icon" width="16" height="16" aria-hidden="true" role="img" focusable="false" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M21.99 4c0-1.1-.89-2-1.99-2H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h14l4 4-.01-18z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg>		<span class="ml-2">2 Comments</span>
@@ -100,7 +100,7 @@ img.emoji {
 			<article id="div-comment-1" class="comment-body">
 				<footer class="comment-meta">
 					<div class="comment-author vcard">
-						<a href="https://wordpress.org/" rel="external nofollow" class="url"><img alt='' src='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><b class="fn"><a href='https://wordpress.org/' rel='external nofollow' class='url'>A WordPress Commenter</a></b> <span class="screen-reader-text says">says:</span></a>					</div><!-- .comment-author -->
+						<a href="https://wordpress.org/" rel="external nofollow" class="url"><img alt='' src='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><b class="fn"><a href='https://wordpress.org/' rel='external nofollow' class='url'>A WordPress Commenter</a></b> <span class="screen-reader-text says">says:</span></a>					</div><!-- .comment-author -->
 
 					<div class="comment-metadata">
 						<a href="index.html#comment-1">
@@ -124,7 +124,7 @@ Commenter avatars come from <a href="https://gravatar.com/">Gravatar</a>.</p>
 			<article id="div-comment-2" class="comment-body">
 				<footer class="comment-meta">
 					<div class="comment-author vcard">
-						<img alt='' src='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><span class="post-author-badge" aria-hidden="true"><svg class="svg-icon" width="24" height="24" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"></path><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"></path></svg></span><b class="fn">admin</b> <span class="screen-reader-text says">says:</span>					</div><!-- .comment-author -->
+						<img alt='' src='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><span class="post-author-badge" aria-hidden="true"><svg class="svg-icon" width="24" height="24" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"></path><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"></path></svg></span><b class="fn">admin</b> <span class="screen-reader-text says">says:</span>					</div><!-- .comment-author -->
 
 					<div class="comment-metadata">
 						<a href="index.html#comment-2">
diff --git a/2019/04/16/hello-world/index6809.html b/2019/04/16/hello-world/index6809.html
index c01af27..0f8737e 100644
--- a/2019/04/16/hello-world/index6809.html
+++ b/2019/04/16/hello-world/index6809.html
@@ -87,8 +87,8 @@ img.emoji {
 		
 <div>
 	<ol class="discussion-avatar-list">
-<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
-<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
+<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
+<li><div class="comment-user-avatar comment-author vcard"><img alt='' src='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /></div></li>
 </ol><!-- .discussion-avatar-list -->
 	<p class="flex items-center text-sm">
 		<svg class="svg-icon" width="16" height="16" aria-hidden="true" role="img" focusable="false" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><path d="M21.99 4c0-1.1-.89-2-1.99-2H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h14l4 4-.01-18z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg>		<span class="ml-2">2 Comments</span>
@@ -100,7 +100,7 @@ img.emoji {
 			<article id="div-comment-1" class="comment-body">
 				<footer class="comment-meta">
 					<div class="comment-author vcard">
-						<a href="https://wordpress.org/" rel="external nofollow" class="url"><img alt='' src='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='http://1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><b class="fn"><a href='https://wordpress.org/' rel='external nofollow' class='url'>A WordPress Commenter</a></b> <span class="screen-reader-text says">says:</span></a>					</div><!-- .comment-author -->
+						<a href="https://wordpress.org/" rel="external nofollow" class="url"><img alt='' src='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=60&amp;d=mm&amp;r=g' srcset='//1.gravatar.com/avatar/d7a973c7dab26985da5f961be7b74480?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><b class="fn"><a href='https://wordpress.org/' rel='external nofollow' class='url'>A WordPress Commenter</a></b> <span class="screen-reader-text says">says:</span></a>					</div><!-- .comment-author -->
 
 					<div class="comment-metadata">
 						<a href="index.html#comment-1">
@@ -124,7 +124,7 @@ Commenter avatars come from <a href="https://gravatar.com/">Gravatar</a>.</p>
 			<article id="div-comment-2" class="comment-body">
 				<footer class="comment-meta">
 					<div class="comment-author vcard">
-						<img alt='' src='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='http://0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><span class="post-author-badge" aria-hidden="true"><svg class="svg-icon" width="24" height="24" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"></path><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"></path></svg></span><b class="fn">admin</b> <span class="screen-reader-text says">says:</span>					</div><!-- .comment-author -->
+						<img alt='' src='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=60&amp;d=mm&amp;r=g' srcset='//0.gravatar.com/avatar/cb3045d1eb66dda5eae9ae2f96edeee9?s=120&#038;d=mm&#038;r=g 2x' class='avatar avatar-60 photo' height='60' width='60' /><span class="post-author-badge" aria-hidden="true"><svg class="svg-icon" width="24" height="24" aria-hidden="true" role="img" focusable="false" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"></path><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"></path></svg></span><b class="fn">admin</b> <span class="screen-reader-text says">says:</span>					</div><!-- .comment-author -->
 
 					<div class="comment-metadata">
 						<a href="index.html#comment-2">