diff --git a/Libraries/LibRequests/CMakeLists.txt b/Libraries/LibRequests/CMakeLists.txt
index 2006b42a64..a779f2d2fa 100644
--- a/Libraries/LibRequests/CMakeLists.txt
+++ b/Libraries/LibRequests/CMakeLists.txt
@@ -3,6 +3,7 @@ set(SOURCES
     NetworkError.h
     Request.cpp
     RequestClient.cpp
+    RequestTimingInfo.cpp
     WebSocket.cpp
 )
 
diff --git a/Libraries/LibRequests/RequestTimingInfo.cpp b/Libraries/LibRequests/RequestTimingInfo.cpp
new file mode 100644
index 0000000000..fa6a7b0234
--- /dev/null
+++ b/Libraries/LibRequests/RequestTimingInfo.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2025, Tim Flynn <trflynn89@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibIPC/Decoder.h>
+#include <LibIPC/Encoder.h>
+#include <LibRequests/RequestTimingInfo.h>
+
+namespace IPC {
+
+template<>
+ErrorOr<void> encode(Encoder& encoder, Requests::RequestTimingInfo const& timing_info)
+{
+    TRY(encoder.encode(timing_info.domain_lookup_start_microseconds));
+    TRY(encoder.encode(timing_info.domain_lookup_end_microseconds));
+    TRY(encoder.encode(timing_info.connect_start_microseconds));
+    TRY(encoder.encode(timing_info.connect_end_microseconds));
+    TRY(encoder.encode(timing_info.secure_connect_start_microseconds));
+    TRY(encoder.encode(timing_info.request_start_microseconds));
+    TRY(encoder.encode(timing_info.response_start_microseconds));
+    TRY(encoder.encode(timing_info.response_end_microseconds));
+    TRY(encoder.encode(timing_info.encoded_body_size));
+    TRY(encoder.encode(timing_info.http_version_alpn_identifier));
+    return {};
+}
+
+template<>
+ErrorOr<Requests::RequestTimingInfo> decode(Decoder& decoder)
+{
+    auto domain_lookup_start_microseconds = TRY(decoder.decode<i64>());
+    auto domain_lookup_end_microseconds = TRY(decoder.decode<i64>());
+    auto connect_start_microseconds = TRY(decoder.decode<i64>());
+    auto connect_end_microseconds = TRY(decoder.decode<i64>());
+    auto secure_connect_start_microseconds = TRY(decoder.decode<i64>());
+    auto request_start_microseconds = TRY(decoder.decode<i64>());
+    auto response_start_microseconds = TRY(decoder.decode<i64>());
+    auto response_end_microseconds = TRY(decoder.decode<i64>());
+    auto encoded_body_size = TRY(decoder.decode<i64>());
+    auto http_version_alpn_identifier = TRY(decoder.decode<Requests::ALPNHttpVersion>());
+
+    return Requests::RequestTimingInfo {
+        .domain_lookup_start_microseconds = domain_lookup_start_microseconds,
+        .domain_lookup_end_microseconds = domain_lookup_end_microseconds,
+        .connect_start_microseconds = connect_start_microseconds,
+        .connect_end_microseconds = connect_end_microseconds,
+        .secure_connect_start_microseconds = secure_connect_start_microseconds,
+        .request_start_microseconds = request_start_microseconds,
+        .response_start_microseconds = response_start_microseconds,
+        .response_end_microseconds = response_end_microseconds,
+        .encoded_body_size = encoded_body_size,
+        .http_version_alpn_identifier = http_version_alpn_identifier,
+    };
+}
+
+}
diff --git a/Libraries/LibRequests/RequestTimingInfo.h b/Libraries/LibRequests/RequestTimingInfo.h
index 164dfae0ed..bb5bd8a370 100644
--- a/Libraries/LibRequests/RequestTimingInfo.h
+++ b/Libraries/LibRequests/RequestTimingInfo.h
@@ -6,9 +6,7 @@
 
 #pragma once
 
-#include <AK/FlyString.h>
-#include <LibIPC/Decoder.h>
-#include <LibIPC/Encoder.h>
+#include <LibIPC/Forward.h>
 #include <LibRequests/ALPNHttpVersion.h>
 
 namespace Requests {
@@ -31,47 +29,9 @@ struct RequestTimingInfo {
 namespace IPC {
 
 template<>
-inline ErrorOr<void> encode(Encoder& encoder, Requests::RequestTimingInfo const& timing_info)
-{
-    TRY(encoder.encode(timing_info.domain_lookup_start_microseconds));
-    TRY(encoder.encode(timing_info.domain_lookup_end_microseconds));
-    TRY(encoder.encode(timing_info.connect_start_microseconds));
-    TRY(encoder.encode(timing_info.connect_end_microseconds));
-    TRY(encoder.encode(timing_info.secure_connect_start_microseconds));
-    TRY(encoder.encode(timing_info.request_start_microseconds));
-    TRY(encoder.encode(timing_info.response_start_microseconds));
-    TRY(encoder.encode(timing_info.response_end_microseconds));
-    TRY(encoder.encode(timing_info.encoded_body_size));
-    TRY(encoder.encode(timing_info.http_version_alpn_identifier));
-    return {};
-}
+ErrorOr<void> encode(Encoder&, Requests::RequestTimingInfo const&);
 
 template<>
-inline ErrorOr<Requests::RequestTimingInfo> decode(Decoder& decoder)
-{
-    auto domain_lookup_start_microseconds = TRY(decoder.decode<i64>());
-    auto domain_lookup_end_microseconds = TRY(decoder.decode<i64>());
-    auto connect_start_microseconds = TRY(decoder.decode<i64>());
-    auto connect_end_microseconds = TRY(decoder.decode<i64>());
-    auto secure_connect_start_microseconds = TRY(decoder.decode<i64>());
-    auto request_start_microseconds = TRY(decoder.decode<i64>());
-    auto response_start_microseconds = TRY(decoder.decode<i64>());
-    auto response_end_microseconds = TRY(decoder.decode<i64>());
-    auto encoded_body_size = TRY(decoder.decode<i64>());
-    auto http_version_alpn_identifier = TRY(decoder.decode<Requests::ALPNHttpVersion>());
-
-    return Requests::RequestTimingInfo {
-        .domain_lookup_start_microseconds = domain_lookup_start_microseconds,
-        .domain_lookup_end_microseconds = domain_lookup_end_microseconds,
-        .connect_start_microseconds = connect_start_microseconds,
-        .connect_end_microseconds = connect_end_microseconds,
-        .secure_connect_start_microseconds = secure_connect_start_microseconds,
-        .request_start_microseconds = request_start_microseconds,
-        .response_start_microseconds = response_start_microseconds,
-        .response_end_microseconds = response_end_microseconds,
-        .encoded_body_size = encoded_body_size,
-        .http_version_alpn_identifier = http_version_alpn_identifier,
-    };
-}
+ErrorOr<Requests::RequestTimingInfo> decode(Decoder&);
 
 }
diff --git a/Libraries/LibWeb/DOM/Node.cpp b/Libraries/LibWeb/DOM/Node.cpp
index c7929c5b2c..5b7cd8c8d7 100644
--- a/Libraries/LibWeb/DOM/Node.cpp
+++ b/Libraries/LibWeb/DOM/Node.cpp
@@ -11,6 +11,8 @@
 #include <AK/HashTable.h>
 #include <AK/StringBuilder.h>
 #include <LibGC/DeferGC.h>
+#include <LibIPC/Decoder.h>
+#include <LibIPC/Encoder.h>
 #include <LibJS/Runtime/FunctionObject.h>
 #include <LibRegex/Regex.h>
 #include <LibWeb/Animations/Animation.h>
diff --git a/Libraries/LibWeb/Forward.h b/Libraries/LibWeb/Forward.h
index c07cdc318c..4ca49c5942 100644
--- a/Libraries/LibWeb/Forward.h
+++ b/Libraries/LibWeb/Forward.h
@@ -768,6 +768,7 @@ class UserActivation;
 class ValidityState;
 class VideoTrack;
 class VideoTrackList;
+class WebWorkerClient;
 class Window;
 class WindowEnvironmentSettingsObject;
 class WindowProxy;
diff --git a/Libraries/LibWeb/HTML/WorkerAgentParent.h b/Libraries/LibWeb/HTML/WorkerAgentParent.h
index 18376767eb..e753ef906a 100644
--- a/Libraries/LibWeb/HTML/WorkerAgentParent.h
+++ b/Libraries/LibWeb/HTML/WorkerAgentParent.h
@@ -10,7 +10,6 @@
 #include <LibWeb/Bindings/RequestPrototype.h>
 #include <LibWeb/Bindings/WorkerPrototype.h>
 #include <LibWeb/Forward.h>
-#include <LibWeb/Worker/WebWorkerClient.h>
 
 namespace Web::HTML {
 
diff --git a/Libraries/LibWebView/Application.h b/Libraries/LibWebView/Application.h
index b03cada3d5..cd3cbbec7e 100644
--- a/Libraries/LibWebView/Application.h
+++ b/Libraries/LibWebView/Application.h
@@ -17,7 +17,7 @@
 #include <LibDevTools/Forward.h>
 #include <LibImageDecoderClient/Client.h>
 #include <LibMain/Main.h>
-#include <LibRequests/RequestClient.h>
+#include <LibRequests/Forward.h>
 #include <LibURL/URL.h>
 #include <LibWeb/CSS/PreferredColorScheme.h>
 #include <LibWeb/CSS/PreferredContrast.h>
diff --git a/Tests/LibWeb/test-web/main.cpp b/Tests/LibWeb/test-web/main.cpp
index fb0a5709d6..25102e2477 100644
--- a/Tests/LibWeb/test-web/main.cpp
+++ b/Tests/LibWeb/test-web/main.cpp
@@ -17,6 +17,7 @@
 #include <AK/LexicalPath.h>
 #include <AK/NumberFormat.h>
 #include <AK/QuickSort.h>
+#include <AK/Random.h>
 #include <LibCore/ConfigFile.h>
 #include <LibCore/DirIterator.h>
 #include <LibCore/Directory.h>