diff --git a/dom/base/nsJSEnvironment.cpp b/dom/base/nsJSEnvironment.cpp
index 9e5ca10bccdf..e8efae001dd0 100644
--- a/dom/base/nsJSEnvironment.cpp
+++ b/dom/base/nsJSEnvironment.cpp
@@ -1696,9 +1696,17 @@ void nsJSContext::MaybeRunNextCollectorSlice(nsIDocShell* aDocShell,
     Maybe<TimeStamp> next = nsRefreshDriver::GetNextTickHint();
     // Try to not delay the next RefreshDriver tick, so give a reasonable
     // deadline for collectors.
-    if (next.isSome() &&
-        (sScheduler.InIncrementalGC() || sScheduler.IsCollectingCycles())) {
-      sScheduler.RunNextCollectorTimer(aReason, next.value());
+    if (next.isSome()) {
+      if (sScheduler.InIncrementalGC() || sScheduler.IsCollectingCycles()) {
+        sScheduler.RunNextCollectorTimer(aReason, next.value());
+      } else {
+        // In order to improve performance on the next page, run a minor GC.
+        // The 16ms limit ensures it isn't called all the time if there are for
+        // example multiple iframes loading at the same time.
+        JS::RunNurseryCollection(CycleCollectedJSRuntime::Get()->Runtime(),
+                                 JS::GCReason::PREPARE_FOR_PAGELOAD,
+                                 mozilla::TimeDuration::FromMilliseconds(16));
+      }
     }
   }
 }
diff --git a/js/public/GCAPI.h b/js/public/GCAPI.h
index 919ff47709ac..cd2cb4fd23e0 100644
--- a/js/public/GCAPI.h
+++ b/js/public/GCAPI.h
@@ -639,6 +639,7 @@ namespace JS {
   D(DOCSHELL, 54)                                                      \
   D(HTML_PARSER, 55)                                                   \
   D(DOM_TESTUTILS, 56)                                                 \
+  D(PREPARE_FOR_PAGELOAD, 57)                                          \
                                                                        \
   /* Reasons reserved for embeddings. */                               \
   D(RESERVED1, FIRST_RESERVED_REASON)                                  \
@@ -1299,6 +1300,10 @@ extern JS_PUBLIC_API GCReason WantEagerMajorGC(JSRuntime* rt);
 extern JS_PUBLIC_API void MaybeRunNurseryCollection(JSRuntime* rt,
                                                     JS::GCReason reason);
 
+extern JS_PUBLIC_API void RunNurseryCollection(
+    JSRuntime* rt, JS::GCReason reason,
+    mozilla::TimeDuration aSinceLastMinorGC);
+
 extern JS_PUBLIC_API void SetHostCleanupFinalizationRegistryCallback(
     JSContext* cx, JSHostCleanupFinalizationRegistryCallback cb, void* data);
 
diff --git a/js/src/gc/Nursery.cpp b/js/src/gc/Nursery.cpp
index a467421462f9..03e825e47e58 100644
--- a/js/src/gc/Nursery.cpp
+++ b/js/src/gc/Nursery.cpp
@@ -1050,7 +1050,7 @@ inline TimeStamp js::Nursery::collectionStartTime() const {
   return startTimes_[ProfileKey::Total];
 }
 
-inline TimeStamp js::Nursery::lastCollectionEndTime() const {
+TimeStamp js::Nursery::lastCollectionEndTime() const {
   return previousGC.endTime;
 }
 
@@ -1871,6 +1871,10 @@ size_t js::Nursery::targetSize(JS::GCOptions options, JS::GCReason reason) {
 
   TimeStamp now = TimeStamp::Now();
 
+  if (reason == JS::GCReason::PREPARE_FOR_PAGELOAD) {
+    return roundSize(tunables().gcMaxNurseryBytes());
+  }
+
   // If the nursery is completely unused then minimise it.
   if (hasRecentGrowthData && previousGC.nurseryUsedBytes == 0 &&
       now - lastCollectionEndTime() >
diff --git a/js/src/gc/Nursery.h b/js/src/gc/Nursery.h
index adf19e708ef4..14321a5f92d4 100644
--- a/js/src/gc/Nursery.h
+++ b/js/src/gc/Nursery.h
@@ -409,6 +409,8 @@ class Nursery {
     return mallocedBlockCache_.sizeOfExcludingThis(mallocSizeOf);
   }
 
+  mozilla::TimeStamp lastCollectionEndTime() const;
+
  private:
   // Fields used during allocation fast path are grouped first:
 
@@ -703,7 +705,6 @@ class Nursery {
                                     Sprinter& sprinter);
 
   mozilla::TimeStamp collectionStartTime() const;
-  mozilla::TimeStamp lastCollectionEndTime() const;
 
   friend class gc::GCRuntime;
   friend class gc::TenuringTracer;
diff --git a/js/src/jsapi.cpp b/js/src/jsapi.cpp
index c78fc95388ee..6cad46c143b8 100644
--- a/js/src/jsapi.cpp
+++ b/js/src/jsapi.cpp
@@ -1304,6 +1304,17 @@ JS_PUBLIC_API void JS::MaybeRunNurseryCollection(JSRuntime* rt,
   }
 }
 
+JS_PUBLIC_API void JS::RunNurseryCollection(
+    JSRuntime* rt, JS::GCReason reason,
+    mozilla::TimeDuration aSinceLastMinorGC) {
+  gc::GCRuntime& gc = rt->gc;
+  if (!gc.nursery().lastCollectionEndTime() ||
+      (mozilla::TimeStamp::Now() - gc.nursery().lastCollectionEndTime() >
+       aSinceLastMinorGC)) {
+    gc.minorGC(reason);
+  }
+}
+
 JS_PUBLIC_API void JS_GC(JSContext* cx, JS::GCReason reason) {
   AssertHeapIsIdle();
   JS::PrepareForFullGC(cx);