diff --git a/Cargo.lock b/Cargo.lock
index 114c8d0b..9cbde3d0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -598,7 +598,7 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "gloo-utils 0.1.7",
- "http",
+ "http 0.2.11",
  "js-sys",
  "pin-project",
  "serde",
@@ -619,7 +619,7 @@ dependencies = [
  "futures-io",
  "futures-sink",
  "gloo-utils 0.2.0",
- "http 1.0.0",
+ "http 1.1.0",
  "js-sys",
  "once_cell",
  "pin-project",
@@ -785,7 +785,7 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "futures-util",
- "http",
+ "http 0.2.11",
  "indexmap 2.1.0",
  "slab",
  "tokio",
@@ -814,7 +814,7 @@ dependencies = [
  "base64",
  "bytes",
  "headers-core",
- "http",
+ "http 0.2.11",
  "httpdate",
  "mime",
  "sha1",
@@ -826,7 +826,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7f66481bfee273957b1f20485a4ff3362987f85b2c236580d81b4eb7a326429"
 dependencies = [
- "http",
+ "http 0.2.11",
 ]
 
 [[package]]
@@ -852,6 +852,17 @@ dependencies = [
  "itoa",
 ]
 
+[[package]]
+name = "http"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21b9ddb458710bc376481b842f5da65cdf31522de232c1ca8146abce2a358258"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
 [[package]]
 name = "http-body"
 version = "0.4.6"
@@ -859,7 +870,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2"
 dependencies = [
  "bytes",
- "http",
+ "http 0.2.11",
  "pin-project-lite",
 ]
 
@@ -886,7 +897,7 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2",
- "http",
+ "http 0.2.11",
  "http-body",
  "httparse",
  "httpdate",
@@ -1049,7 +1060,7 @@ dependencies = [
  "bytes",
  "encoding_rs",
  "futures-util",
- "http",
+ "http 0.2.11",
  "httparse",
  "log",
  "memchr",
@@ -1699,7 +1710,7 @@ dependencies = [
  "byteorder",
  "bytes",
  "data-encoding",
- "http",
+ "http 0.2.11",
  "httparse",
  "log",
  "rand",
@@ -1787,7 +1798,7 @@ dependencies = [
  "futures-channel",
  "futures-util",
  "headers",
- "http",
+ "http 0.2.11",
  "hyper",
  "log",
  "mime",
diff --git a/crates/net/Cargo.toml b/crates/net/Cargo.toml
index 73681ee5..018c5e91 100644
--- a/crates/net/Cargo.toml
+++ b/crates/net/Cargo.toml
@@ -78,7 +78,6 @@ http = [
     'web-sys/Response',
     'web-sys/ResponseInit',
     'web-sys/ResponseType',
-    'web-sys/Window',
     'web-sys/RequestCache',
     'web-sys/RequestCredentials',
     'web-sys/ObserverCallback',
@@ -88,7 +87,6 @@ http = [
     'web-sys/ReadableStream',
     'web-sys/Blob',
     'web-sys/FormData',
-    'web-sys/WorkerGlobalScope',
 ]
 # Enables the EventSource API
 eventsource = [
diff --git a/crates/net/src/http/request.rs b/crates/net/src/http/request.rs
index 537fc264..d41fee92 100644
--- a/crates/net/src/http/request.rs
+++ b/crates/net/src/http/request.rs
@@ -1,11 +1,11 @@
 use crate::http::{Headers, QueryParams, Response};
 use crate::{js_to_error, Error};
 use http::Method;
-use js_sys::{ArrayBuffer, Reflect, Uint8Array};
+use js_sys::{ArrayBuffer, Uint8Array};
 use std::convert::{From, TryFrom, TryInto};
 use std::fmt;
 use std::str::FromStr;
-use wasm_bindgen::{JsCast, JsValue};
+use wasm_bindgen::{JsCast, JsValue, prelude::wasm_bindgen};
 use wasm_bindgen_futures::JsFuture;
 use web_sys::{
     AbortSignal, FormData, ObserverCallback, ReadableStream, ReferrerPolicy, RequestCache,
@@ -16,6 +16,18 @@ use web_sys::{
 #[cfg_attr(docsrs, doc(cfg(feature = "json")))]
 use serde::de::DeserializeOwned;
 
+#[wasm_bindgen]
+extern "C" {
+    // Create a separate binding for `fetch` as a global, rather than using the
+    // existing Window/WorkerGlobalScope bindings defined by web_sys, for
+    // greater efficiency.
+    //
+    // https://github.com/rustwasm/wasm-bindgen/discussions/3863
+    #[wasm_bindgen(js_name = "fetch")]
+    fn fetch_with_request(request: &web_sys::Request) -> js_sys::Promise;
+}
+
+
 /// A wrapper round `web_sys::Request`: an http request to be used with the `fetch` API.
 pub struct RequestBuilder {
     options: web_sys::RequestInit,
@@ -320,23 +332,7 @@ impl Request {
     /// Executes the request.
     pub async fn send(self) -> Result<Response, Error> {
         let request = self.0;
-        let global = js_sys::global();
-        let maybe_window =
-            Reflect::get(&global, &JsValue::from_str("Window")).map_err(js_to_error)?;
-        let promise = if !maybe_window.is_undefined() {
-            let window = global.dyn_into::<web_sys::Window>().unwrap();
-            window.fetch_with_request(&request)
-        } else {
-            let maybe_worker = Reflect::get(&global, &JsValue::from_str("WorkerGlobalScope"))
-                .map_err(js_to_error)?;
-            if !maybe_worker.is_undefined() {
-                let worker = global.dyn_into::<web_sys::WorkerGlobalScope>().unwrap();
-                worker.fetch_with_request(&request)
-            } else {
-                panic!("Unsupported JavaScript global context");
-            }
-        };
-
+        let promise = fetch_with_request(&request);
         let response = JsFuture::from(promise).await.map_err(js_to_error)?;
         response
             .dyn_into::<web_sys::Response>()