diff -u b/google_analytics.module b/google_analytics.module
--- b/google_analytics.module
+++ b/google_analytics.module
@@ -642,6 +642,7 @@
       $page_match = TRUE;
     }
 
+    // Allow modules to define if the google_analytics JS code should be added.
     \Drupal::moduleHandler()->alter('google_analytics_visibility_pages', $page_match);
   }
   return $page_match;
only in patch2:
unchanged:
--- /dev/null
+++ b/google_analytics.api.php
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * @file
+ * Hooks specific to the GoogleAnalytics module.
+ */
+
+/**
+ * @addtogroup hooks
+ * @{
+ */
+
+/**
+ * Alter $page_match to allow displaying GoogleAnalytics JS code in the page.
+ *
+ * A module may not want to add the GoogleAnalytics JS code on the current page
+ * and set $page_match to FALSE.
+ * This hook is called to allow modules to modify the $page_match boolean by
+ * reference, so the interaction of multiple visibility check page modules can
+ * be altered.
+ *
+ * The resulting grants are then checked against the active route to determine
+ * if the operation may be completed.
+ *
+ * @param bool $page_match
+ *   TRUE if the GoogleAnalytics JS code should be added. FALSE otherwise.
+ */
+function hook_google_analytics_grants_alter(&$page_match) {
+  if (!\Drupal::service('path.current')->getPath()) {
+    $page_match = FALSE;
+  }
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */