diff --git a/lib/common/collections/wp_plugins/detectable.rb b/lib/common/collections/wp_plugins/detectable.rb
index 5ae84ade..3eb43c3c 100644
--- a/lib/common/collections/wp_plugins/detectable.rb
+++ b/lib/common/collections/wp_plugins/detectable.rb
@@ -68,6 +68,10 @@ class WpPlugins < WpItems
         wp_plugins.add('all-in-one-seo-pack', version: $1)
       end
 
+      if body =~ /<!-- This site is optimized with the Yoast WordPress SEO plugin v([^\s]+) -/i
+        wp_plugins.add('wordpress-seo', version: $1)
+      end
+
       wp_plugins
     end