diff --git a/ReactCommon/react/renderer/.clang-tidy b/ReactCommon/react/renderer/.clang-tidy
index 62622e7a2e1..f413d1fc858 100644
--- a/ReactCommon/react/renderer/.clang-tidy
+++ b/ReactCommon/react/renderer/.clang-tidy
@@ -28,5 +28,17 @@ modernize-use-equals-delete,
 modernize-use-override,
 modernize-use-using,
 modernize-use-transparent-functors,
+performance-faster-string-find,
+performance-for-range-copy,
+performance-implicit-conversion-in-loop,
+performance-inefficient-algorithm,
+performance-inefficient-string-concatenation,
+performance-inefficient-vector-operation,
+performance-move-const-arg,
+performance-move-constructor-init,
+performance-noexcept-move-constructor,
+performance-type-promotion-in-math-fn,
+performance-unnecessary-copy-initialization,
+performance-unnecessary-value-param,
 '
 ...
diff --git a/ReactCommon/react/renderer/animations/LayoutAnimationKeyFrameManager.cpp b/ReactCommon/react/renderer/animations/LayoutAnimationKeyFrameManager.cpp
index ce50fcdfc71..dc815408e8c 100644
--- a/ReactCommon/react/renderer/animations/LayoutAnimationKeyFrameManager.cpp
+++ b/ReactCommon/react/renderer/animations/LayoutAnimationKeyFrameManager.cpp
@@ -1075,7 +1075,7 @@ void LayoutAnimationKeyFrameManager::setLayoutAnimationStatusDelegate(
 
 void LayoutAnimationKeyFrameManager::setClockNow(
     std::function<uint64_t()> now) {
-  now_ = now;
+  now_ = std::move(now);
 }
 
 void LayoutAnimationKeyFrameManager::enableSkipInvalidatedKeyFrames() {
diff --git a/ReactCommon/react/renderer/animations/tests/LayoutAnimationTest.cpp b/ReactCommon/react/renderer/animations/tests/LayoutAnimationTest.cpp
index 2a1a7f6591d..e5eef16ba07 100644
--- a/ReactCommon/react/renderer/animations/tests/LayoutAnimationTest.cpp
+++ b/ReactCommon/react/renderer/animations/tests/LayoutAnimationTest.cpp
@@ -64,7 +64,8 @@ static void testShadowNodeTreeLifeCycleLayoutAnimations(
   PropsParserContext parserContext{-1, *contextContainer};
 
   // Create a RuntimeExecutor
-  RuntimeExecutor runtimeExecutor = [](std::function<void(jsi::Runtime &)>) {};
+  RuntimeExecutor runtimeExecutor =
+      [](std::function<void(jsi::Runtime &)> const &) {};
 
   // Create component descriptor registry for animation driver
   auto providerRegistry =
diff --git a/ReactCommon/react/renderer/attributedstring/AttributedStringBox.cpp b/ReactCommon/react/renderer/attributedstring/AttributedStringBox.cpp
index 6022931c18e..d644a5164d3 100644
--- a/ReactCommon/react/renderer/attributedstring/AttributedStringBox.cpp
+++ b/ReactCommon/react/renderer/attributedstring/AttributedStringBox.cpp
@@ -54,7 +54,7 @@ std::shared_ptr<void> AttributedStringBox::getOpaquePointer() const {
 }
 
 AttributedStringBox &AttributedStringBox::operator=(
-    AttributedStringBox &&other) {
+    AttributedStringBox &&other) noexcept {
   if (this != &other) {
     mode_ = other.mode_;
     value_ = std::move(other.value_);
diff --git a/ReactCommon/react/renderer/attributedstring/AttributedStringBox.h b/ReactCommon/react/renderer/attributedstring/AttributedStringBox.h
index 720c270fc1d..770386aef31 100644
--- a/ReactCommon/react/renderer/attributedstring/AttributedStringBox.h
+++ b/ReactCommon/react/renderer/attributedstring/AttributedStringBox.h
@@ -43,7 +43,7 @@ class AttributedStringBox final {
   AttributedStringBox(AttributedStringBox const &other) = default;
   AttributedStringBox(AttributedStringBox &&other) noexcept;
   AttributedStringBox &operator=(AttributedStringBox const &other) = default;
-  AttributedStringBox &operator=(AttributedStringBox &&other);
+  AttributedStringBox &operator=(AttributedStringBox &&other) noexcept;
 
   /*
    * Getters.
diff --git a/ReactCommon/react/renderer/componentregistry/ComponentDescriptorProviderRegistry.cpp b/ReactCommon/react/renderer/componentregistry/ComponentDescriptorProviderRegistry.cpp
index 867a67ed31b..965c7d409fa 100644
--- a/ReactCommon/react/renderer/componentregistry/ComponentDescriptorProviderRegistry.cpp
+++ b/ReactCommon/react/renderer/componentregistry/ComponentDescriptorProviderRegistry.cpp
@@ -46,7 +46,8 @@ void ComponentDescriptorProviderRegistry::setComponentDescriptorProviderRequest(
     ComponentDescriptorProviderRequest componentDescriptorProviderRequest)
     const {
   std::shared_lock<butter::shared_mutex> lock(mutex_);
-  componentDescriptorProviderRequest_ = componentDescriptorProviderRequest;
+  componentDescriptorProviderRequest_ =
+      std::move(componentDescriptorProviderRequest);
 }
 
 void ComponentDescriptorProviderRegistry::request(
diff --git a/ReactCommon/react/renderer/components/progressbar/android/react/renderer/components/progressbar/AndroidProgressBarMeasurementsManager.cpp b/ReactCommon/react/renderer/components/progressbar/android/react/renderer/components/progressbar/AndroidProgressBarMeasurementsManager.cpp
index e1a06feda69..71ce1f60798 100644
--- a/ReactCommon/react/renderer/components/progressbar/android/react/renderer/components/progressbar/AndroidProgressBarMeasurementsManager.cpp
+++ b/ReactCommon/react/renderer/components/progressbar/android/react/renderer/components/progressbar/AndroidProgressBarMeasurementsManager.cpp
@@ -18,7 +18,7 @@ namespace react {
 
 Size AndroidProgressBarMeasurementsManager::measure(
     SurfaceId surfaceId,
-    AndroidProgressBarProps props,
+    AndroidProgressBarProps const &props,
     LayoutConstraints layoutConstraints) const {
   {
     std::lock_guard<std::mutex> lock(mutex_);
diff --git a/ReactCommon/react/renderer/components/progressbar/android/react/renderer/components/progressbar/AndroidProgressBarMeasurementsManager.h b/ReactCommon/react/renderer/components/progressbar/android/react/renderer/components/progressbar/AndroidProgressBarMeasurementsManager.h
index bbd3e08e47f..7755ed37161 100644
--- a/ReactCommon/react/renderer/components/progressbar/android/react/renderer/components/progressbar/AndroidProgressBarMeasurementsManager.h
+++ b/ReactCommon/react/renderer/components/progressbar/android/react/renderer/components/progressbar/AndroidProgressBarMeasurementsManager.h
@@ -24,7 +24,7 @@ class AndroidProgressBarMeasurementsManager {
 
   Size measure(
       SurfaceId surfaceId,
-      AndroidProgressBarProps props,
+      AndroidProgressBarProps const &props,
       LayoutConstraints layoutConstraints) const;
 
  private:
diff --git a/ReactCommon/react/renderer/components/text/BaseTextProps.cpp b/ReactCommon/react/renderer/components/text/BaseTextProps.cpp
index c4f1f2f97e0..af7d0734ff5 100644
--- a/ReactCommon/react/renderer/components/text/BaseTextProps.cpp
+++ b/ReactCommon/react/renderer/components/text/BaseTextProps.cpp
@@ -16,10 +16,10 @@ namespace facebook {
 namespace react {
 
 static TextAttributes convertRawProp(
-    const PropsParserContext &context,
-    const RawProps &rawProps,
-    const TextAttributes sourceTextAttributes,
-    const TextAttributes defaultTextAttributes) {
+    PropsParserContext const &context,
+    RawProps const &rawProps,
+    TextAttributes const &sourceTextAttributes,
+    TextAttributes const &defaultTextAttributes) {
   auto textAttributes = TextAttributes{};
 
   // Color
diff --git a/ReactCommon/react/renderer/components/textinput/androidtextinput/react/renderer/components/androidtextinput/AndroidTextInputShadowNode.cpp b/ReactCommon/react/renderer/components/textinput/androidtextinput/react/renderer/components/androidtextinput/AndroidTextInputShadowNode.cpp
index 8f3de52d66e..fa497f2e13a 100644
--- a/ReactCommon/react/renderer/components/textinput/androidtextinput/react/renderer/components/androidtextinput/AndroidTextInputShadowNode.cpp
+++ b/ReactCommon/react/renderer/components/textinput/androidtextinput/react/renderer/components/androidtextinput/AndroidTextInputShadowNode.cpp
@@ -17,6 +17,8 @@
 #include <react/renderer/core/LayoutContext.h>
 #include <react/renderer/core/conversions.h>
 
+#include <utility>
+
 using namespace facebook::jni;
 
 namespace facebook {
@@ -91,7 +93,7 @@ AttributedString AndroidTextInputShadowNode::getPlaceholderAttributedString()
 void AndroidTextInputShadowNode::setTextLayoutManager(
     SharedTextLayoutManager textLayoutManager) {
   ensureUnsealed();
-  textLayoutManager_ = textLayoutManager;
+  textLayoutManager_ = std::move(textLayoutManager);
 }
 
 AttributedString AndroidTextInputShadowNode::getMostRecentAttributedString()
diff --git a/ReactCommon/react/renderer/components/textinput/androidtextinput/react/renderer/components/androidtextinput/AndroidTextInputState.cpp b/ReactCommon/react/renderer/components/textinput/androidtextinput/react/renderer/components/androidtextinput/AndroidTextInputState.cpp
index 60992918741..a2deb59db33 100644
--- a/ReactCommon/react/renderer/components/textinput/androidtextinput/react/renderer/components/androidtextinput/AndroidTextInputState.cpp
+++ b/ReactCommon/react/renderer/components/textinput/androidtextinput/react/renderer/components/androidtextinput/AndroidTextInputState.cpp
@@ -27,7 +27,6 @@ AndroidTextInputState::AndroidTextInputState(
     float defaultThemePaddingTop,
     float defaultThemePaddingBottom)
     : mostRecentEventCount(mostRecentEventCount),
-      cachedAttributedStringId(0),
       attributedString(std::move(attributedString)),
       reactTreeAttributedString(std::move(reactTreeAttributedString)),
       paragraphAttributes(std::move(paragraphAttributes)),
diff --git a/ReactCommon/react/renderer/components/textinput/iostextinput/TextInputState.cpp b/ReactCommon/react/renderer/components/textinput/iostextinput/TextInputState.cpp
index e79b8cc0976..f4930a436e9 100644
--- a/ReactCommon/react/renderer/components/textinput/iostextinput/TextInputState.cpp
+++ b/ReactCommon/react/renderer/components/textinput/iostextinput/TextInputState.cpp
@@ -13,7 +13,7 @@ namespace react {
 #ifdef ANDROID
 TextInputState::TextInputState(
     TextInputState const &previousState,
-    folly::dynamic data){};
+    folly::dynamic const &data){};
 
 /*
  * Empty implementation for Android because it doesn't use this class.
diff --git a/ReactCommon/react/renderer/components/textinput/iostextinput/TextInputState.h b/ReactCommon/react/renderer/components/textinput/iostextinput/TextInputState.h
index c40f54f62ec..68572c09e21 100644
--- a/ReactCommon/react/renderer/components/textinput/iostextinput/TextInputState.h
+++ b/ReactCommon/react/renderer/components/textinput/iostextinput/TextInputState.h
@@ -57,7 +57,9 @@ class TextInputState final {
   size_t mostRecentEventCount{0};
 
 #ifdef ANDROID
-  TextInputState(TextInputState const &previousState, folly::dynamic data);
+  TextInputState(
+      TextInputState const &previousState,
+      folly::dynamic const &data);
 
   folly::dynamic getDynamic() const;
 
diff --git a/ReactCommon/react/renderer/core/EventDispatcher.cpp b/ReactCommon/react/renderer/core/EventDispatcher.cpp
index 32c037a981f..615390b04d6 100644
--- a/ReactCommon/react/renderer/core/EventDispatcher.cpp
+++ b/ReactCommon/react/renderer/core/EventDispatcher.cpp
@@ -17,7 +17,7 @@ namespace facebook {
 namespace react {
 
 EventDispatcher::EventDispatcher(
-    EventQueueProcessor eventProcessor,
+    EventQueueProcessor const &eventProcessor,
     EventBeat::Factory const &synchonousEventBeatFactory,
     EventBeat::Factory const &asynchonousEventBeatFactory,
     EventBeat::SharedOwnerBox const &ownerBox)
diff --git a/ReactCommon/react/renderer/core/EventDispatcher.h b/ReactCommon/react/renderer/core/EventDispatcher.h
index 6556dce932c..9b630b3bf2a 100644
--- a/ReactCommon/react/renderer/core/EventDispatcher.h
+++ b/ReactCommon/react/renderer/core/EventDispatcher.h
@@ -29,7 +29,7 @@ class EventDispatcher {
   using Weak = std::weak_ptr<EventDispatcher const>;
 
   EventDispatcher(
-      EventQueueProcessor eventProcessor,
+      EventQueueProcessor const &eventProcessor,
       EventBeat::Factory const &synchonousEventBeatFactory,
       EventBeat::Factory const &asynchonousEventBeatFactory,
       EventBeat::SharedOwnerBox const &ownerBox);
diff --git a/ReactCommon/react/renderer/core/LayoutableShadowNode.cpp b/ReactCommon/react/renderer/core/LayoutableShadowNode.cpp
index 9206a821bea..c5684692257 100644
--- a/ReactCommon/react/renderer/core/LayoutableShadowNode.cpp
+++ b/ReactCommon/react/renderer/core/LayoutableShadowNode.cpp
@@ -203,7 +203,7 @@ Float LayoutableShadowNode::lastBaseline(Size size) const {
 }
 
 ShadowNode::Shared LayoutableShadowNode::findNodeAtPoint(
-    ShadowNode::Shared node,
+    ShadowNode::Shared const &node,
     Point point) {
   auto layoutableShadowNode =
       traitCast<const LayoutableShadowNode *>(node.get());
diff --git a/ReactCommon/react/renderer/core/LayoutableShadowNode.h b/ReactCommon/react/renderer/core/LayoutableShadowNode.h
index 9f4f90aae8c..35dd55e7514 100644
--- a/ReactCommon/react/renderer/core/LayoutableShadowNode.h
+++ b/ReactCommon/react/renderer/core/LayoutableShadowNode.h
@@ -133,7 +133,7 @@ class LayoutableShadowNode : public ShadowNode {
    * parameter.
    */
   static ShadowNode::Shared findNodeAtPoint(
-      ShadowNode::Shared node,
+      ShadowNode::Shared const &node,
       Point point);
 
   /*
diff --git a/ReactCommon/react/renderer/core/ShadowNode.cpp b/ReactCommon/react/renderer/core/ShadowNode.cpp
index 5284cfe3b97..f0b96309fed 100644
--- a/ReactCommon/react/renderer/core/ShadowNode.cpp
+++ b/ReactCommon/react/renderer/core/ShadowNode.cpp
@@ -180,7 +180,7 @@ void ShadowNode::sealRecursive() const {
 
   props_->seal();
 
-  for (auto child : *children_) {
+  for (auto const &child : *children_) {
     child->sealRecursive();
   }
 }
@@ -255,8 +255,8 @@ ShadowNodeFamily const &ShadowNode::getFamily() const {
 
 ShadowNode::Unshared ShadowNode::cloneTree(
     ShadowNodeFamily const &shadowNodeFamily,
-    std::function<ShadowNode::Unshared(ShadowNode const &oldShadowNode)>
-        callback) const {
+    std::function<ShadowNode::Unshared(ShadowNode const &oldShadowNode)> const
+        &callback) const {
   auto ancestors = shadowNodeFamily.getAncestors(*this);
 
   if (ancestors.empty()) {
@@ -308,7 +308,7 @@ std::string ShadowNode::getDebugValue() const {
 SharedDebugStringConvertibleList ShadowNode::getDebugChildren() const {
   auto debugChildren = SharedDebugStringConvertibleList{};
 
-  for (auto child : *children_) {
+  for (auto const &child : *children_) {
     auto debugChild =
         std::dynamic_pointer_cast<const DebugStringConvertible>(child);
     if (debugChild) {
diff --git a/ReactCommon/react/renderer/core/ShadowNode.h b/ReactCommon/react/renderer/core/ShadowNode.h
index bcff13aa24c..eb60957c615 100644
--- a/ReactCommon/react/renderer/core/ShadowNode.h
+++ b/ReactCommon/react/renderer/core/ShadowNode.h
@@ -114,8 +114,8 @@ class ShadowNode : public Sealable, public DebugStringConvertible {
    */
   ShadowNode::Unshared cloneTree(
       ShadowNodeFamily const &shadowNodeFamily,
-      std::function<ShadowNode::Unshared(ShadowNode const &oldShadowNode)>
-          callback) const;
+      std::function<ShadowNode::Unshared(ShadowNode const &oldShadowNode)> const
+          &callback) const;
 
 #pragma mark - Getters
 
diff --git a/ReactCommon/react/renderer/debug/DebugStringConvertible.cpp b/ReactCommon/react/renderer/debug/DebugStringConvertible.cpp
index 46c89bb4eea..fde19f4163a 100644
--- a/ReactCommon/react/renderer/debug/DebugStringConvertible.cpp
+++ b/ReactCommon/react/renderer/debug/DebugStringConvertible.cpp
@@ -26,7 +26,7 @@ std::string DebugStringConvertible::getDebugChildrenDescription(
   auto trailing = options.format ? std::string{"\n"} : std::string{""};
   auto childrenString = std::string{""};
 
-  for (auto child : getDebugChildren()) {
+  for (auto const &child : getDebugChildren()) {
     if (!child) {
       continue;
     }
@@ -52,7 +52,7 @@ std::string DebugStringConvertible::getDebugPropsDescription(
 
   auto propsString = std::string{""};
 
-  for (auto prop : getDebugProps()) {
+  for (auto const &prop : getDebugProps()) {
     if (!prop) {
       continue;
     }
diff --git a/ReactCommon/react/renderer/graphics/platform/cxx/react/renderer/graphics/Color.cpp b/ReactCommon/react/renderer/graphics/platform/cxx/react/renderer/graphics/Color.cpp
index 7d607fa8bd8..02c6bf82d4a 100644
--- a/ReactCommon/react/renderer/graphics/platform/cxx/react/renderer/graphics/Color.cpp
+++ b/ReactCommon/react/renderer/graphics/platform/cxx/react/renderer/graphics/Color.cpp
@@ -27,7 +27,7 @@ SharedColor colorFromComponents(ColorComponents components) {
       ((int)round(components.blue * ratio) & 0xff));
 }
 
-ColorComponents colorComponentsFromColor(SharedColor sharedColor) {
+ColorComponents colorComponentsFromColor(SharedColor const &sharedColor) {
   float ratio = 255;
   Color color = *sharedColor;
   return ColorComponents{
diff --git a/ReactCommon/react/renderer/graphics/platform/cxx/react/renderer/graphics/Color.h b/ReactCommon/react/renderer/graphics/platform/cxx/react/renderer/graphics/Color.h
index ef254542cb6..7de09df3adc 100644
--- a/ReactCommon/react/renderer/graphics/platform/cxx/react/renderer/graphics/Color.h
+++ b/ReactCommon/react/renderer/graphics/platform/cxx/react/renderer/graphics/Color.h
@@ -61,7 +61,7 @@ class SharedColor {
 
 bool isColorMeaningful(SharedColor const &color) noexcept;
 SharedColor colorFromComponents(ColorComponents components);
-ColorComponents colorComponentsFromColor(SharedColor color);
+ColorComponents colorComponentsFromColor(SharedColor const &color);
 
 SharedColor clearColor();
 SharedColor blackColor();
diff --git a/ReactCommon/react/renderer/mounting/MountingCoordinator.cpp b/ReactCommon/react/renderer/mounting/MountingCoordinator.cpp
index 8a7ed1376fb..6546e0c11ad 100644
--- a/ReactCommon/react/renderer/mounting/MountingCoordinator.cpp
+++ b/ReactCommon/react/renderer/mounting/MountingCoordinator.cpp
@@ -183,7 +183,7 @@ TelemetryController const &MountingCoordinator::getTelemetryController() const {
 void MountingCoordinator::setMountingOverrideDelegate(
     std::weak_ptr<MountingOverrideDelegate const> delegate) const {
   std::lock_guard<std::mutex> lock(mutex_);
-  mountingOverrideDelegate_ = delegate;
+  mountingOverrideDelegate_ = std::move(delegate);
 }
 
 } // namespace react
diff --git a/ReactCommon/react/renderer/mounting/ShadowTreeRegistry.cpp b/ReactCommon/react/renderer/mounting/ShadowTreeRegistry.cpp
index 2e33baf019c..2b0c6927edf 100644
--- a/ReactCommon/react/renderer/mounting/ShadowTreeRegistry.cpp
+++ b/ReactCommon/react/renderer/mounting/ShadowTreeRegistry.cpp
@@ -39,7 +39,7 @@ std::unique_ptr<ShadowTree> ShadowTreeRegistry::remove(
 
 bool ShadowTreeRegistry::visit(
     SurfaceId surfaceId,
-    std::function<void(const ShadowTree &shadowTree)> callback) const {
+    std::function<void(const ShadowTree &shadowTree)> const &callback) const {
   std::shared_lock<butter::shared_mutex> lock(mutex_);
 
   auto iterator = registry_.find(surfaceId);
@@ -53,7 +53,7 @@ bool ShadowTreeRegistry::visit(
 }
 
 void ShadowTreeRegistry::enumerate(
-    std::function<void(const ShadowTree &shadowTree)> callback) const {
+    std::function<void(const ShadowTree &shadowTree)> const &callback) const {
   std::shared_lock<butter::shared_mutex> lock(mutex_);
   for (auto const &pair : registry_) {
     callback(*pair.second);
diff --git a/ReactCommon/react/renderer/mounting/ShadowTreeRegistry.h b/ReactCommon/react/renderer/mounting/ShadowTreeRegistry.h
index 950f41b7b13..5e520f96398 100644
--- a/ReactCommon/react/renderer/mounting/ShadowTreeRegistry.h
+++ b/ReactCommon/react/renderer/mounting/ShadowTreeRegistry.h
@@ -50,14 +50,14 @@ class ShadowTreeRegistry final {
    */
   bool visit(
       SurfaceId surfaceId,
-      std::function<void(const ShadowTree &shadowTree)> callback) const;
+      std::function<void(const ShadowTree &shadowTree)> const &callback) const;
 
   /*
    * Enumerates all stored shadow trees.
    * Can be called from any thread.
    */
   void enumerate(
-      std::function<void(const ShadowTree &shadowTree)> callback) const;
+      std::function<void(const ShadowTree &shadowTree)> const &callback) const;
 
  private:
   mutable butter::shared_mutex mutex_;
diff --git a/ReactCommon/react/renderer/mounting/ShadowViewMutation.cpp b/ReactCommon/react/renderer/mounting/ShadowViewMutation.cpp
index 7e32e07c4c0..437f6634dba 100644
--- a/ReactCommon/react/renderer/mounting/ShadowViewMutation.cpp
+++ b/ReactCommon/react/renderer/mounting/ShadowViewMutation.cpp
@@ -17,7 +17,7 @@ ShadowViewMutation ShadowViewMutation::CreateMutation(ShadowView shadowView) {
       /* .type = */ Create,
       /* .parentShadowView = */ {},
       /* .oldChildShadowView = */ {},
-      /* .newChildShadowView = */ shadowView,
+      /* .newChildShadowView = */ std::move(shadowView),
       /* .index = */ -1,
   };
 }
@@ -26,7 +26,7 @@ ShadowViewMutation ShadowViewMutation::DeleteMutation(ShadowView shadowView) {
   return {
       /* .type = */ Delete,
       /* .parentShadowView = */ {},
-      /* .oldChildShadowView = */ shadowView,
+      /* .oldChildShadowView = */ std::move(shadowView),
       /* .newChildShadowView = */ {},
       /* .index = */ -1,
   };
@@ -38,9 +38,9 @@ ShadowViewMutation ShadowViewMutation::InsertMutation(
     int index) {
   return {
       /* .type = */ Insert,
-      /* .parentShadowView = */ parentShadowView,
+      /* .parentShadowView = */ std::move(parentShadowView),
       /* .oldChildShadowView = */ {},
-      /* .newChildShadowView = */ childShadowView,
+      /* .newChildShadowView = */ std::move(childShadowView),
       /* .index = */ index,
   };
 }
@@ -51,8 +51,8 @@ ShadowViewMutation ShadowViewMutation::RemoveMutation(
     int index) {
   return {
       /* .type = */ Remove,
-      /* .parentShadowView = */ parentShadowView,
-      /* .oldChildShadowView = */ childShadowView,
+      /* .parentShadowView = */ std::move(parentShadowView),
+      /* .oldChildShadowView = */ std::move(childShadowView),
       /* .newChildShadowView = */ {},
       /* .index = */ index,
   };
@@ -64,8 +64,8 @@ ShadowViewMutation ShadowViewMutation::UpdateMutation(
   return {
       /* .type = */ Update,
       /* .parentShadowView = */ {},
-      /* .oldChildShadowView = */ oldChildShadowView,
-      /* .newChildShadowView = */ newChildShadowView,
+      /* .oldChildShadowView = */ std::move(oldChildShadowView),
+      /* .newChildShadowView = */ std::move(newChildShadowView),
       /* .index = */ -1,
   };
 }
diff --git a/ReactCommon/react/renderer/mounting/TelemetryController.cpp b/ReactCommon/react/renderer/mounting/TelemetryController.cpp
index f45ca07dcbe..f660768a5cd 100644
--- a/ReactCommon/react/renderer/mounting/TelemetryController.cpp
+++ b/ReactCommon/react/renderer/mounting/TelemetryController.cpp
@@ -17,9 +17,10 @@ TelemetryController::TelemetryController(
     : mountingCoordinator_(mountingCoordinator) {}
 
 bool TelemetryController::pullTransaction(
-    std::function<void(MountingTransactionMetadata metadata)> willMount,
-    std::function<void(ShadowViewMutationList const &mutations)> doMount,
-    std::function<void(MountingTransactionMetadata metadata)> didMount) const {
+    std::function<void(MountingTransactionMetadata metadata)> const &willMount,
+    std::function<void(ShadowViewMutationList const &mutations)> const &doMount,
+    std::function<void(MountingTransactionMetadata metadata)> const &didMount)
+    const {
   auto optional = mountingCoordinator_.pullTransaction();
   if (!optional.has_value()) {
     return false;
@@ -39,7 +40,7 @@ bool TelemetryController::pullTransaction(
   willMount({surfaceId, number, telemetry, compoundTelemetry});
 
   telemetry.willMount();
-  doMount(std::move(transaction.getMutations()));
+  doMount(transaction.getMutations());
   telemetry.didMount();
 
   compoundTelemetry.incorporate(telemetry, numberOfMutations);
diff --git a/ReactCommon/react/renderer/mounting/TelemetryController.h b/ReactCommon/react/renderer/mounting/TelemetryController.h
index effe81fcfa9..8ea445e8f0a 100644
--- a/ReactCommon/react/renderer/mounting/TelemetryController.h
+++ b/ReactCommon/react/renderer/mounting/TelemetryController.h
@@ -43,9 +43,12 @@ class TelemetryController final {
    * Calls `MountingCoordinator::pullTransaction()` and aggregates telemetry.
    */
   bool pullTransaction(
-      std::function<void(MountingTransactionMetadata metadata)> willMount,
-      std::function<void(ShadowViewMutationList const &mutations)> doMount,
-      std::function<void(MountingTransactionMetadata metadata)> didMount) const;
+      std::function<void(MountingTransactionMetadata metadata)> const
+          &willMount,
+      std::function<void(ShadowViewMutationList const &mutations)> const
+          &doMount,
+      std::function<void(MountingTransactionMetadata metadata)> const &didMount)
+      const;
 
  private:
   MountingCoordinator const &mountingCoordinator_;
diff --git a/ReactCommon/react/renderer/mounting/tests/MountingTest.cpp b/ReactCommon/react/renderer/mounting/tests/MountingTest.cpp
index 8ed7d148d56..cb6868990c7 100644
--- a/ReactCommon/react/renderer/mounting/tests/MountingTest.cpp
+++ b/ReactCommon/react/renderer/mounting/tests/MountingTest.cpp
@@ -43,7 +43,7 @@ static SharedViewProps nonFlattenedDefaultProps(
 static ShadowNode::Shared makeNode(
     ComponentDescriptor const &componentDescriptor,
     int tag,
-    ShadowNode::ListOfShared children,
+    const ShadowNode::ListOfShared &children,
     bool flattened = false) {
   auto props = flattened ? generateDefaultProps(componentDescriptor)
                          : nonFlattenedDefaultProps(componentDescriptor);
diff --git a/ReactCommon/react/renderer/mounting/tests/StackingContextTest.cpp b/ReactCommon/react/renderer/mounting/tests/StackingContextTest.cpp
index 97d62dbab38..dc315be4276 100644
--- a/ReactCommon/react/renderer/mounting/tests/StackingContextTest.cpp
+++ b/ReactCommon/react/renderer/mounting/tests/StackingContextTest.cpp
@@ -153,7 +153,7 @@ class StackingContextTest : public ::testing::Test {
   }
 
   void mutateViewShadowNodeProps_(
-      std::shared_ptr<ViewShadowNode> node,
+      std::shared_ptr<ViewShadowNode> const &node,
       std::function<void(ViewProps &props)> callback) {
     rootShadowNode_ =
         std::static_pointer_cast<RootShadowNode>(rootShadowNode_->cloneTree(
@@ -165,7 +165,7 @@ class StackingContextTest : public ::testing::Test {
   }
 
   void testViewTree_(
-      std::function<void(StubViewTree const &viewTree)> callback) {
+      std::function<void(StubViewTree const &viewTree)> const &callback) {
     rootShadowNode_->layoutIfNeeded();
 
     callback(buildStubViewTreeUsingDifferentiator(*rootShadowNode_));
diff --git a/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.cpp b/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.cpp
index 2cdc59bf062..94b2e359084 100644
--- a/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.cpp
+++ b/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.cpp
@@ -39,7 +39,7 @@ SharedShadowNode UITemplateProcessor::runCommand(
     std::vector<folly::dynamic> &registers,
     const ComponentDescriptorRegistry &componentDescriptorRegistry,
     const NativeModuleRegistry &nativeModuleRegistry,
-    const std::shared_ptr<const ReactNativeConfig> reactNativeConfig) {
+    std::shared_ptr<const ReactNativeConfig> const &reactNativeConfig) {
   const std::string &opcode = command[0].asString();
   const int tagOffset = 420000;
   // TODO: change to integer codes and a switch statement
@@ -106,7 +106,7 @@ SharedShadowNode UITemplateProcessor::buildShadowTree(
     const folly::dynamic &params,
     const ComponentDescriptorRegistry &componentDescriptorRegistry,
     const NativeModuleRegistry &nativeModuleRegistry,
-    const std::shared_ptr<const ReactNativeConfig> reactNativeConfig) {
+    std::shared_ptr<const ReactNativeConfig> const &reactNativeConfig) {
   if (DEBUG_FLY) {
     LOG(INFO)
         << "(strt) UITemplateProcessor inject hardcoded 'server rendered' view tree";
diff --git a/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.h b/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.h
index 3cc3fab52f6..22a88aab527 100644
--- a/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.h
+++ b/ReactCommon/react/renderer/templateprocessor/UITemplateProcessor.h
@@ -50,7 +50,7 @@ class UITemplateProcessor {
       const folly::dynamic &params,
       const ComponentDescriptorRegistry &componentDescriptorRegistry,
       const NativeModuleRegistry &nativeModuleRegistry,
-      const std::shared_ptr<const ReactNativeConfig> reactNativeConfig);
+      std::shared_ptr<const ReactNativeConfig> const &reactNativeConfig);
 
  private:
   static ShadowNode::Shared runCommand(
@@ -60,7 +60,7 @@ class UITemplateProcessor {
       std::vector<folly::dynamic> &registers,
       const ComponentDescriptorRegistry &componentDescriptorRegistry,
       const NativeModuleRegistry &nativeModuleRegistry,
-      const std::shared_ptr<const ReactNativeConfig> reactNativeConfig);
+      std::shared_ptr<const ReactNativeConfig> const &reactNativeConfig);
 };
 } // namespace react
 } // namespace facebook
diff --git a/ReactCommon/react/renderer/textlayoutmanager/platform/android/react/renderer/textlayoutmanager/TextLayoutManager.cpp b/ReactCommon/react/renderer/textlayoutmanager/platform/android/react/renderer/textlayoutmanager/TextLayoutManager.cpp
index 54e152ece33..abc40602f4e 100644
--- a/ReactCommon/react/renderer/textlayoutmanager/platform/android/react/renderer/textlayoutmanager/TextLayoutManager.cpp
+++ b/ReactCommon/react/renderer/textlayoutmanager/platform/android/react/renderer/textlayoutmanager/TextLayoutManager.cpp
@@ -27,7 +27,7 @@ void *TextLayoutManager::getNativeTextLayoutManager() const {
 }
 
 TextMeasurement TextLayoutManager::measure(
-    AttributedStringBox attributedStringBox,
+    AttributedStringBox const &attributedStringBox,
     ParagraphAttributes paragraphAttributes,
     LayoutConstraints layoutConstraints) const {
   auto &attributedString = attributedStringBox.getValue();
@@ -59,7 +59,7 @@ TextMeasurement TextLayoutManager::measure(
 
 TextMeasurement TextLayoutManager::measureCachedSpannableById(
     int64_t cacheId,
-    ParagraphAttributes paragraphAttributes,
+    ParagraphAttributes const &paragraphAttributes,
     LayoutConstraints layoutConstraints) const {
   auto env = Environment::current();
   auto attachmentPositions = env->NewFloatArray(0);
@@ -93,8 +93,8 @@ TextMeasurement TextLayoutManager::measureCachedSpannableById(
 }
 
 LinesMeasurements TextLayoutManager::measureLines(
-    AttributedString attributedString,
-    ParagraphAttributes paragraphAttributes,
+    AttributedString const &attributedString,
+    ParagraphAttributes const &paragraphAttributes,
     Size size) const {
   if (mapBufferSerializationEnabled_) {
     return measureLinesMapBuffer(attributedString, paragraphAttributes, size);
@@ -147,8 +147,8 @@ LinesMeasurements TextLayoutManager::measureLines(
 }
 
 LinesMeasurements TextLayoutManager::measureLinesMapBuffer(
-    AttributedString attributedString,
-    ParagraphAttributes paragraphAttributes,
+    AttributedString const &attributedString,
+    ParagraphAttributes const &paragraphAttributes,
     Size size) const {
   const jni::global_ref<jobject> &fabricUIManager =
       contextContainer_->at<jni::global_ref<jobject>>("FabricUIManager");
@@ -189,12 +189,12 @@ LinesMeasurements TextLayoutManager::measureLinesMapBuffer(
 
 TextMeasurement TextLayoutManager::doMeasure(
     AttributedString attributedString,
-    ParagraphAttributes paragraphAttributes,
+    ParagraphAttributes const &paragraphAttributes,
     LayoutConstraints layoutConstraints) const {
   layoutConstraints.maximumSize.height = std::numeric_limits<Float>::infinity();
 
   int attachmentsCount = 0;
-  for (auto fragment : attributedString.getFragments()) {
+  for (auto const &fragment : attributedString.getFragments()) {
     if (fragment.isAttachment()) {
       attachmentsCount++;
     }
@@ -253,12 +253,12 @@ TextMeasurement TextLayoutManager::doMeasure(
 
 TextMeasurement TextLayoutManager::doMeasureMapBuffer(
     AttributedString attributedString,
-    ParagraphAttributes paragraphAttributes,
+    ParagraphAttributes const &paragraphAttributes,
     LayoutConstraints layoutConstraints) const {
   layoutConstraints.maximumSize.height = std::numeric_limits<Float>::infinity();
 
   int attachmentsCount = 0;
-  for (auto fragment : attributedString.getFragments()) {
+  for (auto const &fragment : attributedString.getFragments()) {
     if (fragment.isAttachment()) {
       attachmentsCount++;
     }
@@ -290,7 +290,7 @@ TextMeasurement TextLayoutManager::doMeasureMapBuffer(
   auto attachments = TextMeasurement::Attachments{};
   if (attachmentsCount > 0) {
     int attachmentIndex = 0;
-    for (auto fragment : attributedString.getFragments()) {
+    for (const auto &fragment : attributedString.getFragments()) {
       if (fragment.isAttachment()) {
         float top = attachmentData[attachmentIndex * 2];
         float left = attachmentData[attachmentIndex * 2 + 1];
diff --git a/ReactCommon/react/renderer/textlayoutmanager/platform/android/react/renderer/textlayoutmanager/TextLayoutManager.h b/ReactCommon/react/renderer/textlayoutmanager/platform/android/react/renderer/textlayoutmanager/TextLayoutManager.h
index 70faabf312a..e739e8ba07a 100644
--- a/ReactCommon/react/renderer/textlayoutmanager/platform/android/react/renderer/textlayoutmanager/TextLayoutManager.h
+++ b/ReactCommon/react/renderer/textlayoutmanager/platform/android/react/renderer/textlayoutmanager/TextLayoutManager.h
@@ -42,7 +42,7 @@ class TextLayoutManager {
    * Measures `attributedString` using native text rendering infrastructure.
    */
   TextMeasurement measure(
-      AttributedStringBox attributedStringBox,
+      AttributedStringBox const &attributedStringBox,
       ParagraphAttributes paragraphAttributes,
       LayoutConstraints layoutConstraints) const;
 
@@ -52,7 +52,7 @@ class TextLayoutManager {
    */
   TextMeasurement measureCachedSpannableById(
       int64_t cacheId,
-      ParagraphAttributes paragraphAttributes,
+      ParagraphAttributes const &paragraphAttributes,
       LayoutConstraints layoutConstraints) const;
 
   /*
@@ -60,8 +60,8 @@ class TextLayoutManager {
    * infrastructure.
    */
   LinesMeasurements measureLines(
-      AttributedString attributedString,
-      ParagraphAttributes paragraphAttributes,
+      AttributedString const &attributedString,
+      ParagraphAttributes const &paragraphAttributes,
       Size size) const;
 
   /*
@@ -73,17 +73,17 @@ class TextLayoutManager {
  private:
   TextMeasurement doMeasure(
       AttributedString attributedString,
-      ParagraphAttributes paragraphAttributes,
+      ParagraphAttributes const &paragraphAttributes,
       LayoutConstraints layoutConstraints) const;
 
   TextMeasurement doMeasureMapBuffer(
       AttributedString attributedString,
-      ParagraphAttributes paragraphAttributes,
+      ParagraphAttributes const &paragraphAttributes,
       LayoutConstraints layoutConstraints) const;
 
   LinesMeasurements measureLinesMapBuffer(
-      AttributedString attributedString,
-      ParagraphAttributes paragraphAttributes,
+      AttributedString const &attributedString,
+      ParagraphAttributes const &paragraphAttributes,
       Size size) const;
 
   void *self_;