diff --git a/Userland/Libraries/LibWeb/CMakeLists.txt b/Userland/Libraries/LibWeb/CMakeLists.txt
index 54efccac01..7a298890c7 100644
--- a/Userland/Libraries/LibWeb/CMakeLists.txt
+++ b/Userland/Libraries/LibWeb/CMakeLists.txt
@@ -124,6 +124,7 @@ set(SOURCES
     Fetch/Enums.cpp
     Fetch/Headers.cpp
     Fetch/HeadersIterator.cpp
+    Fetch/Infrastructure/ConnectionTimingInfo.cpp
     Fetch/Infrastructure/HTTP.cpp
     Fetch/Infrastructure/HTTP/Bodies.cpp
     Fetch/Infrastructure/HTTP/Headers.cpp
diff --git a/Userland/Libraries/LibWeb/Fetch/Infrastructure/ConnectionTimingInfo.cpp b/Userland/Libraries/LibWeb/Fetch/Infrastructure/ConnectionTimingInfo.cpp
new file mode 100644
index 0000000000..3658690981
--- /dev/null
+++ b/Userland/Libraries/LibWeb/Fetch/Infrastructure/ConnectionTimingInfo.cpp
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/Heap/Heap.h>
+#include <LibJS/Runtime/VM.h>
+#include <LibWeb/Fetch/Infrastructure/ConnectionTimingInfo.h>
+
+namespace Web::Fetch::Infrastructure {
+
+ConnectionTimingInfo::ConnectionTimingInfo() = default;
+
+JS::NonnullGCPtr<ConnectionTimingInfo> ConnectionTimingInfo::create(JS::VM& vm)
+{
+    return { *vm.heap().allocate_without_realm<ConnectionTimingInfo>() };
+}
+
+}
diff --git a/Userland/Libraries/LibWeb/Fetch/Infrastructure/ConnectionTimingInfo.h b/Userland/Libraries/LibWeb/Fetch/Infrastructure/ConnectionTimingInfo.h
new file mode 100644
index 0000000000..9a8686e8f3
--- /dev/null
+++ b/Userland/Libraries/LibWeb/Fetch/Infrastructure/ConnectionTimingInfo.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/ByteBuffer.h>
+#include <LibJS/Heap/Cell.h>
+#include <LibWeb/HighResolutionTime/DOMHighResTimeStamp.h>
+
+namespace Web::Fetch::Infrastructure {
+
+// https://fetch.spec.whatwg.org/#connection-timing-info
+class ConnectionTimingInfo : public JS::Cell {
+    JS_CELL(ConnectionTimingInfo, JS::Cell);
+
+public:
+    [[nodiscard]] static JS::NonnullGCPtr<ConnectionTimingInfo> create(JS::VM&);
+
+    [[nodiscard]] HighResolutionTime::DOMHighResTimeStamp domain_lookup_start_time() const { return m_domain_lookup_start_time; }
+    void set_domain_lookup_start_time(HighResolutionTime::DOMHighResTimeStamp domain_lookup_start_time) { m_domain_lookup_start_time = domain_lookup_start_time; }
+
+    [[nodiscard]] HighResolutionTime::DOMHighResTimeStamp domain_lookup_end_time() const { return m_domain_lookup_end_time; }
+    void set_domain_lookup_end_time(HighResolutionTime::DOMHighResTimeStamp domain_lookup_end_time) { m_domain_lookup_end_time = domain_lookup_end_time; }
+
+    [[nodiscard]] HighResolutionTime::DOMHighResTimeStamp connection_start_time() const { return m_connection_start_time; }
+    void set_connection_start_time(HighResolutionTime::DOMHighResTimeStamp connection_start_time) { m_connection_start_time = connection_start_time; }
+
+    [[nodiscard]] HighResolutionTime::DOMHighResTimeStamp connection_end_time() const { return m_connection_end_time; }
+    void set_connection_end_time(HighResolutionTime::DOMHighResTimeStamp connection_end_time) { m_connection_end_time = connection_end_time; }
+
+    [[nodiscard]] HighResolutionTime::DOMHighResTimeStamp secure_connection_start_time() const { return m_secure_connection_start_time; }
+    void set_secure_connection_start_time(HighResolutionTime::DOMHighResTimeStamp secure_connection_start_time) { m_secure_connection_start_time = secure_connection_start_time; }
+
+    [[nodiscard]] ReadonlyBytes lpn_negotiated_protocol() const { return m_lpn_negotiated_protocol; }
+    void set_lpn_negotiated_protocol(ByteBuffer lpn_negotiated_protocol) { m_lpn_negotiated_protocol = move(lpn_negotiated_protocol); }
+
+private:
+    ConnectionTimingInfo();
+
+    // https://fetch.spec.whatwg.org/#connection-timing-info-domain-lookup-start-time
+    // domain lookup start time (default 0)
+    //     A DOMHighResTimeStamp.
+    HighResolutionTime::DOMHighResTimeStamp m_domain_lookup_start_time { 0 };
+
+    // https://fetch.spec.whatwg.org/#connection-timing-info-domain-lookup-end-time
+    // domain lookup end time (default 0)
+    //     A DOMHighResTimeStamp.
+    HighResolutionTime::DOMHighResTimeStamp m_domain_lookup_end_time { 0 };
+
+    // https://fetch.spec.whatwg.org/#connection-timing-info-connection-start-time
+    // connection start time (default 0)
+    //     A DOMHighResTimeStamp.
+    HighResolutionTime::DOMHighResTimeStamp m_connection_start_time { 0 };
+
+    // https://fetch.spec.whatwg.org/#connection-timing-info-connection-end-time
+    // connection end time (default 0)
+    //     A DOMHighResTimeStamp.
+    HighResolutionTime::DOMHighResTimeStamp m_connection_end_time { 0 };
+
+    // https://fetch.spec.whatwg.org/#connection-timing-info-secure-connection-start-time
+    // secure connection start time (default 0)
+    //     A DOMHighResTimeStamp.
+    HighResolutionTime::DOMHighResTimeStamp m_secure_connection_start_time { 0 };
+
+    // https://fetch.spec.whatwg.org/#connection-timing-info-alpn-negotiated-protocol
+    // ALPN negotiated protocol (default the empty byte sequence)
+    //     A byte sequence.
+    ByteBuffer m_lpn_negotiated_protocol;
+};
+
+}
diff --git a/Userland/Libraries/LibWeb/Forward.h b/Userland/Libraries/LibWeb/Forward.h
index 17cc491a09..61ca3c1291 100644
--- a/Userland/Libraries/LibWeb/Forward.h
+++ b/Userland/Libraries/LibWeb/Forward.h
@@ -192,6 +192,7 @@ class Response;
 namespace Web::Fetch::Infrastructure {
 class Body;
 struct BodyWithType;
+class ConnectionTimingInfo;
 struct Header;
 class HeaderList;
 class Request;