diff --git a/samples/3d-accessibility-features/index.ts b/samples/3d-accessibility-features/index.ts
index 457b84c4..8069b74f 100644
--- a/samples/3d-accessibility-features/index.ts
+++ b/samples/3d-accessibility-features/index.ts
@@ -6,9 +6,13 @@
 
 // [START maps_3d_accessibility_features]
 async function initMap() {
-    const { Map3DElement, Marker3DInteractiveElement, PopoverElement } =
-        await google.maps.importLibrary('maps3d');
-    const { PinElement } = await google.maps.importLibrary('marker');
+    const [
+        { Map3DElement, Marker3DInteractiveElement, PopoverElement },
+        { PinElement },
+    ] = await Promise.all([
+        google.maps.importLibrary('maps3d'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const map = new Map3DElement({
         center: { lat: 34.8405, lng: -111.7909, altitude: 1322.7 },
diff --git a/samples/3d-coverage-map/index.ts b/samples/3d-coverage-map/index.ts
index d8b1adfc..2eaf7004 100644
--- a/samples/3d-coverage-map/index.ts
+++ b/samples/3d-coverage-map/index.ts
@@ -18,8 +18,10 @@ const placeAutocomplete = document.querySelector('gmp-place-autocomplete')!;
 
 async function initMap() {
     // Request needed libraries.
-    await google.maps.importLibrary('maps');
-    await google.maps.importLibrary('places');
+    await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('places'),
+    ]);
 
     // Get the inner map from the map element.
     const innerMap = mapElement.innerMap;
diff --git a/samples/3d-marker-customization/index.ts b/samples/3d-marker-customization/index.ts
index 7fa635d1..e997244f 100644
--- a/samples/3d-marker-customization/index.ts
+++ b/samples/3d-marker-customization/index.ts
@@ -6,9 +6,11 @@
 
 // [START maps_3d_marker_customization]
 async function init() {
-    const { Map3DElement, Marker3DElement } =
-        await google.maps.importLibrary('maps3d');
-    const { PinElement } = await google.maps.importLibrary('marker');
+    const [{ Map3DElement, Marker3DElement }, { PinElement }] =
+        await Promise.all([
+            google.maps.importLibrary('maps3d'),
+            google.maps.importLibrary('marker'),
+        ]);
 
     const map = new Map3DElement({
         center: { lat: 37.4176, lng: -122.02, altitude: 0 },
diff --git a/samples/3d-marker-graphics/index.ts b/samples/3d-marker-graphics/index.ts
index 96154635..94e07d54 100644
--- a/samples/3d-marker-graphics/index.ts
+++ b/samples/3d-marker-graphics/index.ts
@@ -6,10 +6,12 @@
 
 // [START maps_3d_marker_graphics]
 async function init() {
-    const { Map3DElement, Marker3DElement } =
-        await google.maps.importLibrary('maps3d');
-    const { PinElement } = await google.maps.importLibrary('marker');
-    const { Place } = await google.maps.importLibrary('places');
+    const [{ Map3DElement, Marker3DElement }, { PinElement }, { Place }] =
+        await Promise.all([
+            google.maps.importLibrary('maps3d'),
+            google.maps.importLibrary('marker'),
+            google.maps.importLibrary('places'),
+        ]);
 
     const map = new Map3DElement({
         center: { lat: 37.426, lng: -122.082, altitude: 18 },
diff --git a/samples/advanced-markers-accessibility/index.ts b/samples/advanced-markers-accessibility/index.ts
index eee4bf54..2764fec9 100644
--- a/samples/advanced-markers-accessibility/index.ts
+++ b/samples/advanced-markers-accessibility/index.ts
@@ -9,9 +9,11 @@ const mapElement = document.querySelector('gmp-map')!;
 
 async function initMap() {
     // Request needed libraries.
-    const { Map, InfoWindow } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement, PinElement } =
-        await google.maps.importLibrary('marker');
+    const [{ Map, InfoWindow }, { AdvancedMarkerElement, PinElement }] =
+        await Promise.all([
+            google.maps.importLibrary('maps'),
+            google.maps.importLibrary('marker'),
+        ]);
 
     // Set LatLng and title text for the markers. The first marker (Boynton Pass)
     // receives the initial focus when tab is pressed. Use arrow keys to move
diff --git a/samples/advanced-markers-altitude/index.ts b/samples/advanced-markers-altitude/index.ts
index 4bbd1cea..99a4801b 100644
--- a/samples/advanced-markers-altitude/index.ts
+++ b/samples/advanced-markers-altitude/index.ts
@@ -9,9 +9,10 @@ const mapElement = document.querySelector('gmp-map')!;
 
 async function initMap() {
     // Request needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement, PinElement } =
-        await google.maps.importLibrary('marker');
+    const [{ Map }, { AdvancedMarkerElement, PinElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     mapElement.innerMap.setOptions({
         tilt: 67.5,
diff --git a/samples/advanced-markers-animation/index.ts b/samples/advanced-markers-animation/index.ts
index 310be92e..d9928c52 100644
--- a/samples/advanced-markers-animation/index.ts
+++ b/samples/advanced-markers-animation/index.ts
@@ -43,10 +43,15 @@ const intersectionObserver = new IntersectionObserver((entries) => {
 
 async function initMap(): Promise<void> {
     // Request needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { event, ControlPosition } = await google.maps.importLibrary('core');
-    const { AdvancedMarkerElement, PinElement } =
-        await google.maps.importLibrary('marker');
+    const [
+        { Map },
+        { event, ControlPosition },
+        { AdvancedMarkerElement, PinElement },
+    ] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const position = { lat: 37.4242011827985, lng: -122.09242296450893 };
 
diff --git a/samples/advanced-markers-basic-style/index.ts b/samples/advanced-markers-basic-style/index.ts
index ed97850c..57189c98 100644
--- a/samples/advanced-markers-basic-style/index.ts
+++ b/samples/advanced-markers-basic-style/index.ts
@@ -10,9 +10,10 @@ const mapElement = document.querySelector('gmp-map')!;
 
 async function initMap() {
     // Request needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement, PinElement } =
-        await google.maps.importLibrary('marker');
+    const [{ Map }, { AdvancedMarkerElement, PinElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     // Each PinElement is paired with a marker to demonstrate setting each parameter.
 
diff --git a/samples/advanced-markers-collision/index.ts b/samples/advanced-markers-collision/index.ts
index 5182c456..c0eb0181 100644
--- a/samples/advanced-markers-collision/index.ts
+++ b/samples/advanced-markers-collision/index.ts
@@ -11,8 +11,10 @@ const mapElement = document.querySelector('gmp-map')!;
 // Initialize and add the map
 async function initMap(): Promise<void> {
     // Request needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Map }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const markers: google.maps.marker.AdvancedMarkerElement[] = [];
 
diff --git a/samples/advanced-markers-draggable/index.ts b/samples/advanced-markers-draggable/index.ts
index 94e96e92..697f3724 100644
--- a/samples/advanced-markers-draggable/index.ts
+++ b/samples/advanced-markers-draggable/index.ts
@@ -9,8 +9,10 @@ const mapElement = document.querySelector('gmp-map')!;
 
 async function initMap() {
     // Request needed libraries.
-    const { Map, InfoWindow } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Map, InfoWindow }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const infoWindow = new InfoWindow();
 
diff --git a/samples/advanced-markers-graphics/index.ts b/samples/advanced-markers-graphics/index.ts
index 17244bfe..69da7e60 100644
--- a/samples/advanced-markers-graphics/index.ts
+++ b/samples/advanced-markers-graphics/index.ts
@@ -7,10 +7,12 @@
 // [START maps_advanced_markers_graphics]
 async function initMap() {
     // Request needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement, PinElement } =
-        await google.maps.importLibrary('marker');
-    const { Place } = await google.maps.importLibrary('places');
+    const [{ Map }, { AdvancedMarkerElement, PinElement }, { Place }] =
+        await Promise.all([
+            google.maps.importLibrary('maps'),
+            google.maps.importLibrary('marker'),
+            google.maps.importLibrary('places'),
+        ]);
 
     const mapElement = document.querySelector('gmp-map')!;
 
diff --git a/samples/advanced-markers-html-simple/index.ts b/samples/advanced-markers-html-simple/index.ts
index 9ad1ef0c..2d7c2d4b 100644
--- a/samples/advanced-markers-html-simple/index.ts
+++ b/samples/advanced-markers-html-simple/index.ts
@@ -10,8 +10,10 @@ const mapElement = document.querySelector('gmp-map')!;
 
 async function initMap() {
     // Request needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Map }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const priceTag = document.createElement('div');
     priceTag.className = 'price-tag';
diff --git a/samples/advanced-markers-html/index.ts b/samples/advanced-markers-html/index.ts
index 66b48be8..a8dd23fc 100644
--- a/samples/advanced-markers-html/index.ts
+++ b/samples/advanced-markers-html/index.ts
@@ -8,8 +8,10 @@
 // [START maps_advanced_markers_html_snippet]
 async function initMap() {
     // Request needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Map }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const center = { lat: 37.43238031167444, lng: -122.16795397128632 };
     const map = new Map(document.getElementById('map') as HTMLElement, {
diff --git a/samples/advanced-markers-simple/index.ts b/samples/advanced-markers-simple/index.ts
index 1ec7d315..9e67a932 100644
--- a/samples/advanced-markers-simple/index.ts
+++ b/samples/advanced-markers-simple/index.ts
@@ -10,8 +10,10 @@ const mapElement = document.querySelector('gmp-map')!;
 
 async function initMap() {
     // Request needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Map }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const marker = new AdvancedMarkerElement({
         position: { lat: 37.4239163, lng: -122.0947209 },
diff --git a/samples/advanced-markers-zoom/index.ts b/samples/advanced-markers-zoom/index.ts
index 64051170..8051f5dd 100644
--- a/samples/advanced-markers-zoom/index.ts
+++ b/samples/advanced-markers-zoom/index.ts
@@ -9,8 +9,10 @@ const mapElement = document.querySelector('gmp-map')!;
 
 async function initMap() {
     // Request needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Map }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const markerOptions = [
         {
diff --git a/samples/build-single.sh b/samples/build-single.sh
index 9198562c..3935b77d 100644
--- a/samples/build-single.sh
+++ b/samples/build-single.sh
@@ -5,20 +5,37 @@ set -e
 
 NAME=$(basename $PWD)
 
-npx prettier --check --ignore-path ../../.prettierignore .
-npx eslint
-
 common_recursive_grep_options=( -r --exclude-dir=node_modules )
 all_type_recursive_grep_options=( "${common_recursive_grep_options[@]}" --include=*.{html,js,ts,css,jsx,tsx} --exclude-dir=dist )
 html_script_src_grep_options=( 'src="https://maps' "${common_recursive_grep_options[@]}"  --include=*.html )
 
+find . -type f \( -name "*.ts" -o -name "*.tsx" \) -not -path "./dist/*" -not -path "./node_modules/*" -print0 \
+ | while IFS= read -r -d '' file; do
+    range=999
+    while IFS= read -r line; do
+      # echo "$file $range $line"
+      if [[ "$line" == *"await google"* ]]; then
+        if [[ $range -lt 3 ]]; then
+          echo "Found 'await google' in close proximity. Consider Promise.all() instead. $file"
+          exit 1
+        fi
+
+        range=0
+      else
+        range=$(( $range + 1 ))
+      fi
+    done < "$file"
+done
+
 set +e
+
 grep weekly "${all_type_recursive_grep_options[@]}"
 if [[ $? -eq 0 ]]; then
   # sure, it could be other things, but so far it's not, so we'll keep it simple for now
   echo "Found 'weekly'. Please remove (it's the default channel)."
   exit 1
 fi
+
 # callback & importLibrary both show up the in the inline loader, that's okay. comments also okay
 grep callback "${all_type_recursive_grep_options[@]}" | grep -v -E '^[-_./a-z0-9]+:\s*//' | grep -v importLibrary 
 if [[ $? -eq 0 ]]; then
@@ -26,6 +43,7 @@ if [[ $? -eq 0 ]]; then
   echo "Found 'callback'. Please replace with a more modern pattern for loading Maps JS."
   exit 1
 fi
+
 grep "${html_script_src_grep_options[@]}"
 if [[ $? -eq 0 ]]; then
   grep "${html_script_src_grep_options[@]}" | grep "loading=async"
@@ -44,8 +62,12 @@ if [[ $? -eq 0 ]]; then
     exit 1
   fi
 fi
+
 set -e
 
+npx prettier --check --ignore-path ../../.prettierignore .
+npx eslint
+
 # clean comments for empty lines, and then clean up, to preserve newlines
 sed -i.sed-back 's#^$#// TMP EMPTY LINE#g' *.ts && rm *.sed-back
 set +e
diff --git a/samples/circle-simple/index.ts b/samples/circle-simple/index.ts
index b73598dd..1801b1f0 100644
--- a/samples/circle-simple/index.ts
+++ b/samples/circle-simple/index.ts
@@ -10,9 +10,12 @@ let innerMap;
 
 async function initMap() {
     // Request needed libraries.
-    const { Circle } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
-    const { event } = await google.maps.importLibrary('core');
+    const [{ Circle }, { AdvancedMarkerElement }, { event }] =
+        await Promise.all([
+            google.maps.importLibrary('maps'),
+            google.maps.importLibrary('marker'),
+            google.maps.importLibrary('core'),
+        ]);
 
     // Get the gmp-map element.
     const mapElement = document.querySelector('gmp-map')!;
diff --git a/samples/control-options/index.ts b/samples/control-options/index.ts
index f31f6680..03b2a88e 100755
--- a/samples/control-options/index.ts
+++ b/samples/control-options/index.ts
@@ -10,9 +10,11 @@
 
 async function initMap() {
     //  Request the needed libraries.
-    const { MapTypeControlStyle, MapTypeId } =
-        await google.maps.importLibrary('maps');
-    const { ControlPosition } = await google.maps.importLibrary('core');
+    const [{ MapTypeControlStyle, MapTypeId }, { ControlPosition }] =
+        await Promise.all([
+            google.maps.importLibrary('maps'),
+            google.maps.importLibrary('core'),
+        ]);
 
     const mapElement = document.querySelector('gmp-map')!;
 
diff --git a/samples/control-positioning-labels/index.ts b/samples/control-positioning-labels/index.ts
index 592f2e67..6c60097b 100644
--- a/samples/control-positioning-labels/index.ts
+++ b/samples/control-positioning-labels/index.ts
@@ -35,8 +35,10 @@ async function MakeControl(controlDiv: HTMLElement, label: string) {
 
 async function initMap() {
     //  Request the needed libraries.
-    await google.maps.importLibrary('maps');
-    const { ControlPosition } = await google.maps.importLibrary('core');
+    const [, { ControlPosition }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+    ]);
 
     const mapElement = document.querySelector('gmp-map')!;
 
diff --git a/samples/control-positioning/index.ts b/samples/control-positioning/index.ts
index 92b03ca7..d5e74a29 100755
--- a/samples/control-positioning/index.ts
+++ b/samples/control-positioning/index.ts
@@ -10,8 +10,10 @@ let innerMap;
 
 async function initMap() {
     // Request needed libraries.
-    const { MapTypeControlStyle } = await google.maps.importLibrary('maps');
-    const { ControlPosition } = await google.maps.importLibrary('core');
+    const [{ MapTypeControlStyle }, { ControlPosition }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+    ]);
 
     // Get the inner map.
     const innerMap = mapElement.innerMap;
diff --git a/samples/dds-datasets-point/index.ts b/samples/dds-datasets-point/index.ts
index eb50b5c6..74059446 100644
--- a/samples/dds-datasets-point/index.ts
+++ b/samples/dds-datasets-point/index.ts
@@ -86,8 +86,10 @@ function setStyle(params) {
 
 async function initMap() {
     // Request needed libraries.
-    await google.maps.importLibrary('maps');
-    const { event } = await google.maps.importLibrary('core');
+    const [, { event }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+    ]);
 
     // Get the inner map.
     innerMap = mapElement.innerMap;
diff --git a/samples/dds-region-viewer/index.ts b/samples/dds-region-viewer/index.ts
index bcba5a51..caf8730d 100644
--- a/samples/dds-region-viewer/index.ts
+++ b/samples/dds-region-viewer/index.ts
@@ -34,9 +34,11 @@ let selectedPlaceId: string;
 import * as countries from './src/countries.json';
 
 async function initMap() {
-    await google.maps.importLibrary('maps');
-    await google.maps.importLibrary('places');
-    await google.maps.importLibrary('marker');
+    await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('places'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     // Get the inner map.
     innerMap = mapElement.innerMap;
diff --git a/samples/deckgl-heatmap/index.ts b/samples/deckgl-heatmap/index.ts
index b3b3ffde..31f5a1ae 100644
--- a/samples/deckgl-heatmap/index.ts
+++ b/samples/deckgl-heatmap/index.ts
@@ -50,8 +50,10 @@ async function initMap(): Promise<void> {
     const position = { lat: 37.77325660358167, lng: -122.41712341793448 }; // Using the center from original deckgl-polygon.js
 
     //  Request needed libraries.
-    const { Map, InfoWindow } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Map, InfoWindow }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const mapDiv = document.getElementById('map');
     if (!mapDiv) {
diff --git a/samples/event-arguments/index.ts b/samples/event-arguments/index.ts
index d327be6f..f2d34f4c 100644
--- a/samples/event-arguments/index.ts
+++ b/samples/event-arguments/index.ts
@@ -7,8 +7,10 @@
 // [START maps_event_arguments]
 async function initMap() {
     // Request needed libraries.
-    await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const mapElement = document.querySelector('gmp-map')!;
     const innerMap = mapElement.innerMap;
diff --git a/samples/event-click-latlng/index.ts b/samples/event-click-latlng/index.ts
index 91a6a876..17936bcc 100644
--- a/samples/event-click-latlng/index.ts
+++ b/samples/event-click-latlng/index.ts
@@ -7,7 +7,6 @@
 // [START maps_event_click_latlng]
 async function initMap() {
     // Request needed libraries.
-    await google.maps.importLibrary('maps');
     const { InfoWindow } = await google.maps.importLibrary('maps');
 
     // Set up the map.
diff --git a/samples/event-closure/index.ts b/samples/event-closure/index.ts
index 5928625d..f70142f5 100644
--- a/samples/event-closure/index.ts
+++ b/samples/event-closure/index.ts
@@ -7,8 +7,10 @@
 // [START maps_event_closure]
 async function initMap() {
     // Request needed libraries.
-    await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     const mapElement = document.querySelector('gmp-map')!;
     const innerMap = mapElement.innerMap;
diff --git a/samples/event-simple/index.ts b/samples/event-simple/index.ts
index fda76a06..e7941b3c 100644
--- a/samples/event-simple/index.ts
+++ b/samples/event-simple/index.ts
@@ -7,9 +7,11 @@
 // [START maps_event_simple]
 async function initMap() {
     // Request needed libraries.
-    await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
-    const { LatLng } = await google.maps.importLibrary('core');
+    const [, { AdvancedMarkerElement }, { LatLng }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+        google.maps.importLibrary('core'),
+    ]);
 
     // Retrieve the map element.
     const mapElement = document.querySelector('gmp-map')!;
diff --git a/samples/infowindow-simple/index.ts b/samples/infowindow-simple/index.ts
index 3642b2aa..778f9b2b 100644
--- a/samples/infowindow-simple/index.ts
+++ b/samples/infowindow-simple/index.ts
@@ -10,8 +10,10 @@
 
 async function initMap(): Promise<void> {
     // Import the needed libraries.
-    const { InfoWindow } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ InfoWindow }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     // Get the map element and the inner map from it.
     const mapElement = document.querySelector('gmp-map')!;
diff --git a/samples/layer-data-quakes-red/index.ts b/samples/layer-data-quakes-red/index.ts
index 916da169..f6e658ff 100644
--- a/samples/layer-data-quakes-red/index.ts
+++ b/samples/layer-data-quakes-red/index.ts
@@ -8,8 +8,10 @@
 let innerMap;
 
 async function initMap() {
-    await google.maps.importLibrary('maps');
-    const { SymbolPath } = await google.maps.importLibrary('core');
+    const [, { SymbolPath }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+    ]);
 
     const mapElement = document.querySelector('gmp-map')!;
 
diff --git a/samples/layer-data-style/index.ts b/samples/layer-data-style/index.ts
index c40458f9..2178fe34 100644
--- a/samples/layer-data-style/index.ts
+++ b/samples/layer-data-style/index.ts
@@ -6,8 +6,10 @@
 
 // [START maps_layer_data_style]
 async function initMap() {
-    await google.maps.importLibrary('maps');
-    const { event } = await google.maps.importLibrary('core');
+    const [, { event }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+    ]);
 
     const mapElement = document.querySelector('gmp-map')!;
 
diff --git a/samples/map-projection-simple/index.ts b/samples/map-projection-simple/index.ts
index f2a22072..4ad9578b 100644
--- a/samples/map-projection-simple/index.ts
+++ b/samples/map-projection-simple/index.ts
@@ -51,8 +51,10 @@ async function initMap() {
 let gallPetersMapType;
 
 async function initGallPeters() {
-    const { ImageMapType } = await google.maps.importLibrary('maps');
-    const { Size, Point, LatLng } = await google.maps.importLibrary('core');
+    const [{ ImageMapType }, { Size, Point, LatLng }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+    ]);
 
     const GALL_PETERS_RANGE_X = 800;
     const GALL_PETERS_RANGE_Y = 512;
diff --git a/samples/place-autocomplete-basic-map/index.ts b/samples/place-autocomplete-basic-map/index.ts
index 6501d4f1..3667791d 100644
--- a/samples/place-autocomplete-basic-map/index.ts
+++ b/samples/place-autocomplete-basic-map/index.ts
@@ -16,10 +16,13 @@ const gmpMapElement = document.querySelector('gmp-map')!;
 
 async function initMap(): Promise<void> {
     // Asynchronously load required libraries from the Google Maps JS API.
-    await google.maps.importLibrary('places');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
-    const { InfoWindow, Circle } = await google.maps.importLibrary('maps');
-    const { Size } = await google.maps.importLibrary('core');
+    const [, { AdvancedMarkerElement }, { InfoWindow, Circle }, { Size }] =
+        await Promise.all([
+            google.maps.importLibrary('places'),
+            google.maps.importLibrary('marker'),
+            google.maps.importLibrary('maps'),
+            google.maps.importLibrary('core'),
+        ]);
 
     // Get the initial center directly from the gmp-map element's property.
     const center = gmpMapElement.center;
diff --git a/samples/place-class/index.ts b/samples/place-class/index.ts
index e4c4aa70..b84438ce 100644
--- a/samples/place-class/index.ts
+++ b/samples/place-class/index.ts
@@ -19,8 +19,11 @@ async function initMap() {
 
 // [START maps_place_class_fetchfields]
 async function getPlaceDetails() {
-    const { Place } = await google.maps.importLibrary('places');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Place }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('places'),
+        google.maps.importLibrary('marker'),
+    ]);
+
     // Use place ID to create a new Place instance.
     const place = new Place({
         id: 'ChIJyYB_SZVU2YARR-I1Jjf08F0', // San Diego Zoo
diff --git a/samples/place-nearby-search/index.ts b/samples/place-nearby-search/index.ts
index fd811d85..4a2ebfb7 100644
--- a/samples/place-nearby-search/index.ts
+++ b/samples/place-nearby-search/index.ts
@@ -13,8 +13,10 @@ let typeSelect;
 let infoWindow;
 
 async function initMap() {
-    const { InfoWindow } = await google.maps.importLibrary('maps');
-    const { event } = await google.maps.importLibrary('core');
+    const [{ InfoWindow }, { event }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+    ]);
 
     innerMap = mapElement.innerMap;
     innerMap.setOptions({
@@ -36,10 +38,15 @@ async function initMap() {
 }
 
 async function nearbySearch() {
-    const { Place, SearchNearbyRankPreference } =
-        await google.maps.importLibrary('places');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
-    const { spherical } = await google.maps.importLibrary('geometry');
+    const [
+        { Place, SearchNearbyRankPreference },
+        { AdvancedMarkerElement },
+        { spherical },
+    ] = await Promise.all([
+        google.maps.importLibrary('places'),
+        google.maps.importLibrary('marker'),
+        google.maps.importLibrary('geometry'),
+    ]);
     // [START maps_place_nearby_search_request]
     // Get bounds and radius to constrain search.
     center = mapElement.center;
diff --git a/samples/place-text-search/index.ts b/samples/place-text-search/index.ts
index 9e0f42f5..4955443a 100644
--- a/samples/place-text-search/index.ts
+++ b/samples/place-text-search/index.ts
@@ -10,8 +10,10 @@ let markers = {};
 let infoWindow;
 
 async function initMap() {
-    const { Map, InfoWindow } = await google.maps.importLibrary('maps');
-    const { ControlPosition } = await google.maps.importLibrary('core');
+    const [{ Map, InfoWindow }, { ControlPosition }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+    ]);
 
     const center = { lat: 37.4161493, lng: -122.0812166 };
     map = new Map(document.getElementById('map') as HTMLElement, {
@@ -42,8 +44,10 @@ async function initMap() {
 }
 
 async function findPlaces(query) {
-    const { Place } = await google.maps.importLibrary('places');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Place }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('places'),
+        google.maps.importLibrary('marker'),
+    ]);
     // [START maps_place_text_search_request]
     const request = {
         textQuery: query,
diff --git a/samples/polyline-complex/index.ts b/samples/polyline-complex/index.ts
index 89a82115..f8bced9d 100644
--- a/samples/polyline-complex/index.ts
+++ b/samples/polyline-complex/index.ts
@@ -17,8 +17,10 @@ let innerMap: google.maps.Map;
 
 async function initMap() {
     // Import the needed libraries.
-    const { Polyline } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Polyline }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     innerMap = mapElement.innerMap;
 
diff --git a/samples/routes-get-alternatives/index.ts b/samples/routes-get-alternatives/index.ts
index 3c9e46b6..ede4fe92 100644
--- a/samples/routes-get-alternatives/index.ts
+++ b/samples/routes-get-alternatives/index.ts
@@ -11,8 +11,10 @@ let innerMap;
 // Initialize and add the map.
 async function initMap() {
     //  Request the needed libraries.
-    await google.maps.importLibrary('maps');
-    const { event } = await google.maps.importLibrary('core');
+    const [, { event }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+    ]);
 
     innerMap = mapElement.innerMap;
     innerMap.setOptions({
diff --git a/samples/routes-markers/index.ts b/samples/routes-markers/index.ts
index 0657505e..d3a403bf 100644
--- a/samples/routes-markers/index.ts
+++ b/samples/routes-markers/index.ts
@@ -11,8 +11,10 @@ let innerMap;
 // Initialize and add the map.
 async function initMap() {
     //  Request the needed libraries.
-    await google.maps.importLibrary('maps');
-    const { event } = await google.maps.importLibrary('core');
+    const [, { event }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('core'),
+    ]);
 
     innerMap = mapElement.innerMap;
     innerMap.setOptions({
diff --git a/samples/streetview-overlays/index.ts b/samples/streetview-overlays/index.ts
index 6a65682b..e658e224 100644
--- a/samples/streetview-overlays/index.ts
+++ b/samples/streetview-overlays/index.ts
@@ -10,8 +10,10 @@ let innerMap: google.maps.Map;
 
 async function initMap() {
     // Request needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { Marker } = await google.maps.importLibrary('marker');
+    const [{ Map }, { Marker }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     // Set the location of Astor Place.
     const astorPlace = { lat: 40.729884, lng: -73.990988 };
diff --git a/samples/test-example/index.ts b/samples/test-example/index.ts
index 67055e8d..d3886310 100644
--- a/samples/test-example/index.ts
+++ b/samples/test-example/index.ts
@@ -20,8 +20,10 @@ let center;
 async function initMap() {
     // [START maps_test_example_instantiate_map]
     //  Request the needed libraries.
-    const { Map } = await google.maps.importLibrary('maps');
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
+    const [{ Map }, { AdvancedMarkerElement }] = await Promise.all([
+        google.maps.importLibrary('maps'),
+        google.maps.importLibrary('marker'),
+    ]);
 
     // Get the inner map from the gmp-map element.
     innerMap = mapElement.innerMap;
diff --git a/samples/weather-api-current-compact/index.ts b/samples/weather-api-current-compact/index.ts
index cfa99e1d..94e5444e 100644
--- a/samples/weather-api-current-compact/index.ts
+++ b/samples/weather-api-current-compact/index.ts
@@ -116,8 +116,10 @@ async function createAndAddMarker(
     location: { name: string; lat: number; lng: number },
     markerType: 'initial' | 'button' | 'dynamic'
 ): Promise<void> {
-    const { AdvancedMarkerElement } = await google.maps.importLibrary('marker');
-    const { LatLng } = await google.maps.importLibrary('core');
+    const [{ AdvancedMarkerElement }, { LatLng }] = await Promise.all([
+        google.maps.importLibrary('marker'),
+        google.maps.importLibrary('core'),
+    ]);
     const weatherWidget = document.createElement(
         'simple-weather-widget'
     ) as SimpleWeatherWidget;