diff --git a/demo.html b/demo.html
index f059cdb7e..5e060a1c0 100644
--- a/demo.html
+++ b/demo.html
@@ -149,7 +149,7 @@
   <body>
     <div style="display: none">
       <div class="gjs-logo-cont">
-        <a href="//grapesjs.com"><img class="gjs-logo" src="img/grapesjs-logo-cl.png"></a>
+        <a href="https://grapesjs.com"><img class="gjs-logo" src="img/grapesjs-logo-cl.png"></a>
         <div class="gjs-logo-version"></div>
       </div>
     </div>
@@ -395,7 +395,7 @@
           color: #ffffff;
           font-family: Helvetica, serif;
           font-weight: 100;
-          background-image:url("//grapesjs.com/img/bg-gr-v.png"), url("//grapesjs.com/img/work-desk.jpg");
+          background-image:url("https://grapesjs.com/img/bg-gr-v.png"), url("https://grapesjs.com/img/work-desk.jpg");
           background-attachment:scroll, scroll;
           background-position:left top, center center;
           background-repeat:repeat-y, no-repeat;
@@ -511,24 +511,24 @@
         }
         .card-header{
           height: 155px;
-          background-image:url("//placehold.it/350x250/78c5d6/fff/image1.jpg");
+          background-image:url("https://placehold.it/350x250/78c5d6/fff/image1.jpg");
           background-size:cover;
           background-position:center center;
         }
         .card-header.ch2{
-          background-image:url("//placehold.it/350x250/459ba8/fff/image2.jpg");
+          background-image:url("https://placehold.it/350x250/459ba8/fff/image2.jpg");
         }
         .card-header.ch3{
-          background-image:url("//placehold.it/350x250/79c267/fff/image3.jpg");
+          background-image:url("https://placehold.it/350x250/79c267/fff/image3.jpg");
         }
         .card-header.ch4{
-          background-image:url("//placehold.it/350x250/c5d647/fff/image4.jpg");
+          background-image:url("https://placehold.it/350x250/c5d647/fff/image4.jpg");
         }
         .card-header.ch5{
-          background-image:url("//placehold.it/350x250/f28c33/fff/image5.jpg");
+          background-image:url("https://placehold.it/350x250/f28c33/fff/image5.jpg");
         }
         .card-header.ch6{
-          background-image:url("//placehold.it/350x250/e868a2/fff/image6.jpg");
+          background-image:url("https://placehold.it/350x250/e868a2/fff/image6.jpg");
         }
         .card-body{
           padding: 15px 15px 5px 15px;
@@ -874,7 +874,7 @@
         }
         .badge-header{
           height: 115px;
-          background-image:url("//grapesjs.com/img/bg-gr-v.png"), url("//grapesjs.com/img/work-desk.jpg");
+          background-image:url("https://grapesjs.com/img/bg-gr-v.png"), url("https://grapesjs.com/img/work-desk.jpg");
           background-position:left top, center center;
           background-attachment:scroll, fixed;
           overflow: hidden;
@@ -954,7 +954,7 @@
 
     <div id="info-panel" style="display:none">
       <br/>
-      <svg class="info-panel-logo" xmlns="//www.w3.org/2000/svg" version="1"><g id="gjs-logo">
+      <svg class="info-panel-logo" xmlns="https://www.w3.org/2000/svg" version="1"><g id="gjs-logo">
         <path d="M40 5l-12.9 7.4 -12.9 7.4c-1.4 0.8-2.7 2.3-3.7 3.9 -0.9 1.6-1.5 3.5-1.5 5.1v14.9 14.9c0 1.7 0.6 3.5 1.5 5.1 0.9 1.6 2.2 3.1 3.7 3.9l12.9 7.4 12.9 7.4c1.4 0.8 3.3 1.2 5.2 1.2 1.9 0 3.8-0.4 5.2-1.2l12.9-7.4 12.9-7.4c1.4-0.8 2.7-2.2 3.7-3.9 0.9-1.6 1.5-3.5 1.5-5.1v-14.9 -12.7c0-4.6-3.8-6-6.8-4.2l-28 16.2" style="fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:10;stroke-width:10;stroke:#fff"/>
       </g></svg>
       <br/>