diff --git a/blink/renderer/core/loader/resource_load_observer_for_frame.cc b/blink/renderer/core/loader/resource_load_observer_for_frame.cc
index 6b503716a9d..3fb68eaf91c 100644
--- a/blink/renderer/core/loader/resource_load_observer_for_frame.cc
+++ b/blink/renderer/core/loader/resource_load_observer_for_frame.cc
@@ -4,6 +4,7 @@
 
 #include "third_party/blink/renderer/core/loader/resource_load_observer_for_frame.h"
 
+#include "base/metrics/histogram_macros.h"
 #include "base/stl_util.h"
 #include "components/power_scheduler/power_mode_arbiter.h"
 #include "services/network/public/cpp/cors/cors_error_status.h"
@@ -12,6 +13,7 @@
 #include "third_party/blink/public/common/security/address_space_feature.h"
 #include "third_party/blink/public/mojom/frame/frame.mojom-blink.h"
 #include "third_party/blink/renderer/core/core_probes_inl.h"
+#include "third_party/blink/renderer/core/dom/events/event_target.h"
 #include "third_party/blink/renderer/core/frame/attribution_src_loader.h"
 #include "third_party/blink/renderer/core/frame/deprecation/deprecation.h"
 #include "third_party/blink/renderer/core/frame/frame_console.h"
@@ -173,6 +175,50 @@ void ResourceLoadObserverForFrame::DidChangePriority(
                                    identifier, priority);
 }
 
+namespace {
+
+// These values are persisted to logs. Entries should not be renumbered and
+// numeric values should never be reused.
+//
+// Must remain in sync with LinkPrefetchMimeType in
+// tools/metrics/histograms/enums.xml.
+enum class LinkPrefetchMimeType {
+  kUnknown = 0,
+  kHtml = 1,
+  kScript = 2,
+  kStyle = 3,
+  kFont = 4,
+  kImage = 5,
+  kMedia = 6,
+  kMaxValue = kMedia,
+};
+
+void LogLinkPrefetchMimeTypeHistogram(const AtomicString& mime) {
+  // Loosely based on https://mimesniff.spec.whatwg.org/#mime-type-groups.
+  // This could be done properly if needed, but this is just to gather
+  // approximate data.
+  LinkPrefetchMimeType type = LinkPrefetchMimeType::kUnknown;
+  if (mime == "text/html" || mime == "application/xhtml+xml") {
+    type = LinkPrefetchMimeType::kHtml;
+  } else if (mime == "application/javascript" || mime == "text/javascript") {
+    type = LinkPrefetchMimeType::kScript;
+  } else if (mime == "text/css") {
+    type = LinkPrefetchMimeType::kStyle;
+  } else if (mime.StartsWith("font/") || mime.StartsWith("application/font-") ||
+             mime == "application/vnd.ms-fontobject" ||
+             mime == "application/vnd.ms-opentype") {
+    type = LinkPrefetchMimeType::kFont;
+  } else if (mime.StartsWith("image/")) {
+    type = LinkPrefetchMimeType::kImage;
+  } else if (mime.StartsWith("audio/") || mime.StartsWith("video/") ||
+             mime == "application/ogg") {
+    type = LinkPrefetchMimeType::kMedia;
+  }
+  UMA_HISTOGRAM_ENUMERATION("Blink.Prefetch.LinkPrefetchMimeType", type);
+}
+
+}  // namespace
+
 void ResourceLoadObserverForFrame::DidReceiveResponse(
     uint64_t identifier,
     const ResourceRequest& request,
@@ -230,6 +276,9 @@ void ResourceLoadObserverForFrame::DidReceiveResponse(
     }
   }
 
+  if (resource->GetType() == ResourceType::kLinkPrefetch)
+    LogLinkPrefetchMimeTypeHistogram(response.MimeType());
+
   PreloadHelper::CanLoadResources resource_loading_policy =
       response_source == ResponseSource::kFromMemoryCache
           ? PreloadHelper::kDoNotLoadResources