Use https resource for OpenCycleMap

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({

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'
   })
 });
 

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'
       })
     })
   ],

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'
       })
     })
   ],