diff --git a/assets/js/just-the-docs.js b/assets/js/just-the-docs.js
index a3253a1..9e767ac 100644
--- a/assets/js/just-the-docs.js
+++ b/assets/js/just-the-docs.js
@@ -488,6 +488,11 @@ jtd.onReady(function(){
 
 jtd.onReady(function(){
 
+  if (!window.isSecureContext) {
+    console.log('Window does not have a secure context, therefore code clipboard copy functionality will not be available. For more details see https://web.dev/async-clipboard/#security-and-permissions');
+    return;
+  } 
+  
   var codeBlocks = document.querySelectorAll('div.highlighter-rouge, div.listingblock > div.content, figure.highlight');
 
   // note: the SVG svg-copied and svg-copy is only loaded as a Jekyll include if site.enable_copy_code_button is true; see _includes/icons/icons.html