diff --git a/php/footer.php b/php/footer.php
index 6badad4..bdc8032 100755
--- a/php/footer.php
+++ b/php/footer.php
@@ -3,7 +3,7 @@
     <a href="https://kobold.cafe/">
       <img src="<?php echo HTML_PATH_THEME_IMG; ?>/koboldcafe.gif" alt="Ce site hébergé par Kobold Cafe">
     </a>
-    <a href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr">
+    <a href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr" rel="licence">
       <img src="<?php echo HTML_PATH_THEME_IMG; ?>/cc-by-sa.gif" alt="Ce site est sous Creative Common Attribution - Partage dans les Mêmes Conditions 4.0 International">
     </a>
   </p>
diff --git a/php/page.php b/php/page.php
index 62cbc70..d20c597 100755
--- a/php/page.php
+++ b/php/page.php
@@ -32,7 +32,7 @@
 						<ul class="nolist" aria-labelledby="title-article-taxo-categories">
 							<h4 class="sr-only" id="title-article-taxo-categories">Catégories</h4>
 							<li>
-								<a href="<?php echo $page->categoryPermalink(); ?>" class="btn btn-small c-primary p-category mr-half">
+								<a href="<?php echo $page->categoryPermalink(); ?>" rel="tag directory" class="btn btn-small c-primary p-category mr-half">
 									<svg class="icon" alt=""><use xlink:href="#icon-folder"></use></svg>
 									&nbsp;<?php echo $page->category(); ?>
 								</a>
@@ -43,7 +43,7 @@
 									<li>
 										<a href="<?php 
 											$tagObject = new Tag($x);
-											echo $tagObject->permalink(); ?>" class="btn btn-small c-secondary p-category mr-half">
+											echo $tagObject->permalink(); ?>" rel="tag directory" class="btn btn-small c-secondary p-category mr-half">
 											<svg class="icon" alt=""><use xlink:href="#icon-tags"></use></svg>
 											&nbsp;<?php echo $y; ?>
 										</a>