diff --git a/src/drivers/webextension/images/icons/DiamondCDN.png b/src/drivers/webextension/images/icons/DiamondCDN.png
new file mode 100644
index 000000000..13718fc91
Binary files /dev/null and b/src/drivers/webextension/images/icons/DiamondCDN.png differ
diff --git a/src/technologies/d.json b/src/technologies/d.json
index 48060f3e8..594bae97d 100644
--- a/src/technologies/d.json
+++ b/src/technologies/d.json
@@ -627,6 +627,17 @@
     ],
     "website": "https://www.deutschepost.de"
   },
+  "DiamondCDN": {
+    "cats": [
+      31
+    ],
+    "description": "DiamondCDN is a CDN with DDoS mitigation for free.",
+    "icon": "DiamondCDN.png",
+    "headers": {
+      "server": "^DiamondCDN$"
+    },
+    "website": "https://diamondcdn.com"
+  },
   "Dianomi": {
     "cats": [
       36