diff --git a/modules/src/main/java/org/archive/modules/processor/BotBlockDetector.java b/modules/src/main/java/org/archive/modules/processor/BotBlockDetector.java
index acb856a4..b19c1e41 100644
--- a/modules/src/main/java/org/archive/modules/processor/BotBlockDetector.java
+++ b/modules/src/main/java/org/archive/modules/processor/BotBlockDetector.java
@@ -82,6 +82,7 @@ public class BotBlockDetector extends Processor {
         if (detectAkamai(curi)) return "akamai";
         if (detectAnubis(curi)) return "anubis";
         if (detectCloudflare(curi)) return "cloudflare";
+        if (detectDataDome(curi)) return "datadome";
         if (detectIncapsula(curi)) return "incapsula";
         return null;
     }
@@ -114,6 +115,11 @@ public class BotBlockDetector extends Processor {
         return false;
     }
 
+    private static boolean detectDataDome(CrawlURI curi) {
+        return curi.getHttpResponseHeader("x-dd-b") != null &&
+               "protected".equalsIgnoreCase(curi.getHttpResponseHeader("x-datadome"));
+    }
+
     private static boolean detectIncapsula(CrawlURI curi) {
         return curi.getFetchStatus() == 404 &&
                curi.getHttpResponseHeader("x-iinfo") != null &&
diff --git a/modules/src/test/java/org/archive/modules/processor/BotBlockDetectorTest.java b/modules/src/test/java/org/archive/modules/processor/BotBlockDetectorTest.java
index cc45ecfc..9982b156 100644
--- a/modules/src/test/java/org/archive/modules/processor/BotBlockDetectorTest.java
+++ b/modules/src/test/java/org/archive/modules/processor/BotBlockDetectorTest.java
@@ -81,6 +81,18 @@ class BotBlockDetectorTest {
         assertBlocked(cloudflareBlock(), "cloudflare");
     }
 
+    @Test
+    void detectsDatadomeBlock() throws Exception {
+        CrawlURI curi = curi(403);
+        // some sites use both Cloudflare and DataDome
+        curi.putHttpResponseHeader("server", "cloudflare");
+        curi.putHttpResponseHeader("cf-ray", "1111111111111111-SJC");
+        curi.putHttpResponseHeader("x-datadome", "protected");
+        curi.putHttpResponseHeader("x-dd-b", "2");
+        curi.putHttpResponseHeader("x-datadome-cid", "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==");
+        assertBlocked(curi, "datadome");
+    }
+
     @Test
     void detectsIncapsulaChallenge() throws Exception {
         CrawlURI curi = curi(404);