diff --git a/examples/data/kml/2012-02-10.kml b/examples/data/kml/2012-02-10.kml
index 4ad89f7621..f018123473 100644
--- a/examples/data/kml/2012-02-10.kml
+++ b/examples/data/kml/2012-02-10.kml
@@ -2,7 +2,7 @@
   <Document>
     <name>Skimap.org OpenSkiMap </name>
     <description>Created from OpenStreetMap data. Renderer v0.5</description>
-    <!-- 
+    <!--
 Copyright (c) OpenStreetMap Contributors
 https://www.openstreetmap.org/
 
@@ -32,7 +32,7 @@ http://creativecommons.org/licenses/by-sa/2.0/
           <IconStyle>
             <scale>0.2</scale>
             <Icon>
-              <href>http://maps.google.com/mapfiles/kml/shapes/parking_lot.png</href>
+              <href>https://maps.google.com/mapfiles/kml/shapes/parking_lot.png</href>
             </Icon>
           </IconStyle>
         </Style>
@@ -140,7 +140,7 @@ http://creativecommons.org/licenses/by-sa/2.0/
           <IconStyle>
             <scale>0.7</scale>
             <Icon>
-              <href>http://maps.google.com/mapfiles/kml/pal2/icon21.png</href>
+              <href>https://maps.google.com/mapfiles/kml/pal2/icon21.png</href>
             </Icon>
           </IconStyle>
         </Style>
@@ -170,7 +170,7 @@ http://creativecommons.org/licenses/by-sa/2.0/
           <IconStyle>
             <scale>0.7</scale>
             <Icon>
-              <href>http://maps.google.com/mapfiles/kml/pal2/icon30.png</href>
+              <href>https://maps.google.com/mapfiles/kml/pal2/icon30.png</href>
             </Icon>
           </IconStyle>
         </Style>
@@ -188,7 +188,7 @@ http://creativecommons.org/licenses/by-sa/2.0/
           <IconStyle>
             <scale>0.7</scale>
             <Icon>
-              <href>http://maps.google.com/mapfiles/kml/pal2/icon28.png</href>
+              <href>https://maps.google.com/mapfiles/kml/pal2/icon28.png</href>
             </Icon>
           </IconStyle>
         </Style>
@@ -325,7 +325,7 @@ http://creativecommons.org/licenses/by-sa/2.0/
           <IconStyle>
             <scale>0.7</scale>
             <Icon>
-              <href>http://maps.google.com/mapfiles/kml/pal2/icon40.png</href>
+              <href>https://maps.google.com/mapfiles/kml/pal2/icon40.png</href>
             </Icon>
           </IconStyle>
         </Style>
@@ -548,7 +548,7 @@ http://creativecommons.org/licenses/by-sa/2.0/
           <IconStyle>
             <scale>0.7</scale>
             <Icon>
-              <href>http://maps.google.com/mapfiles/kml/pal3/icon38.png</href>
+              <href>https://maps.google.com/mapfiles/kml/pal3/icon38.png</href>
             </Icon>
           </IconStyle>
         </Style>
@@ -559,7 +559,7 @@ http://creativecommons.org/licenses/by-sa/2.0/
           <IconStyle>
             <scale>0.7</scale>
             <Icon>
-              <href>http://maps.google.com/mapfiles/kml/pal3/icon38.png</href>
+              <href>https://maps.google.com/mapfiles/kml/pal3/icon38.png</href>
             </Icon>
           </IconStyle>
         </Style>
diff --git a/examples/geolocation-orientation.html b/examples/geolocation-orientation.html
index ee7835f7aa..bc743c2216 100644
--- a/examples/geolocation-orientation.html
+++ b/examples/geolocation-orientation.html
@@ -44,7 +44,6 @@ tags: "fullscreen, geolocation, orientation, mobile"
         <button id="geolocate">Geolocate Me!</button>
         <button id="simulate">Simulate</button>
     </div>
-    <script src="http://code.jquery.com/jquery-2.2.3.min.js" type="text/javascript"></script>
     <script src="./resources/common.js" type="text/javascript"></script>
     <script src="loader.js?id=geolocation-orientation" type="text/javascript"></script>
   </body>
diff --git a/examples/igc.js b/examples/igc.js
index 4993e7eac5..dbcf4b7fd8 100644
--- a/examples/igc.js
+++ b/examples/igc.js
@@ -88,7 +88,7 @@ var map = new ol.Map({
           'All maps © <a href="https://www.opencyclemap.org/">OpenCycleMap</a>',
           ol.source.OSM.ATTRIBUTION
         ],
-        url: 'http://{a-c}.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png'
+        url: 'https://{a-c}.tile.thunderforest.com/cycle/{z}/{x}/{y}.png'
       })
     }),
     new ol.layer.Vector({
diff --git a/examples/localized-openstreetmap.js b/examples/localized-openstreetmap.js
index f5b5dfeece..3267cb7a52 100644
--- a/examples/localized-openstreetmap.js
+++ b/examples/localized-openstreetmap.js
@@ -11,7 +11,7 @@ var openCycleMapLayer = new ol.layer.Tile({
       'All maps © <a href="https://www.opencyclemap.org/">OpenCycleMap</a>',
       ol.source.OSM.ATTRIBUTION
     ],
-    url: 'http://{a-c}.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png'
+    url: 'https://{a-c}.tile.thunderforest.com/cycle/{z}/{x}/{y}.png'
   })
 });
 
diff --git a/examples/overviewmap-custom.js b/examples/overviewmap-custom.js
index abc13e842b..65b15ba51d 100644
--- a/examples/overviewmap-custom.js
+++ b/examples/overviewmap-custom.js
@@ -14,7 +14,7 @@ var overviewMapControl = new ol.control.OverviewMap({
   layers: [
     new ol.layer.Tile({
       source: new ol.source.OSM({
-        'url': 'http://{a-c}.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png'
+        'url': 'https://{a-c}.tile.thunderforest.com/cycle/{z}/{x}/{y}.png'
       })
     })
   ],
diff --git a/examples/wmts-ign.js b/examples/wmts-ign.js
index 2843c21451..fbe36df153 100644
--- a/examples/wmts-ign.js
+++ b/examples/wmts-ign.js
@@ -52,7 +52,7 @@ var ign_source = new ol.source.WMTS({
   style: 'normal',
   attributions: [new ol.Attribution({
     html: '<a href="http://www.geoportail.fr/" target="_blank">' +
-        '<img src="http://api.ign.fr/geoportail/api/js/latest/' +
+        '<img src="https://api.ign.fr/geoportail/api/js/latest/' +
         'theme/geoportal/img/logo_gp.gif"></a>'
   })]
 });
diff --git a/examples/xyz.js b/examples/xyz.js
index b87b91b577..c064a24b8f 100644
--- a/examples/xyz.js
+++ b/examples/xyz.js
@@ -9,7 +9,7 @@ var map = new ol.Map({
   layers: [
     new ol.layer.Tile({
       source: new ol.source.XYZ({
-        url: 'http://{a-c}.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png'
+        url: 'https://{a-c}.tile.thunderforest.com/cycle/{z}/{x}/{y}.png'
       })
     })
   ],