diff --git a/webdriver/tests/bidi/network/__init__.py b/webdriver/tests/bidi/network/__init__.py
index b7458377ab0f79..fabb2c5320d5db 100644
--- a/webdriver/tests/bidi/network/__init__.py
+++ b/webdriver/tests/bidi/network/__init__.py
@@ -425,7 +425,8 @@ def get_next_event_for_url(network_events, url):
PAGE_REDIRECTED_HTML = "/webdriver/tests/bidi/network/support/redirected.html"
PAGE_SERVICEWORKER_HTML = "/webdriver/tests/bidi/network/support/serviceworker.html"
-IMAGE_RESPONSE_BODY = urllib.parse.quote_plus(base64.b64decode(b"iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="))
+IMAGE_RESPONSE_DATA = b"iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="
+IMAGE_RESPONSE_BODY = urllib.parse.quote_plus(base64.b64decode(IMAGE_RESPONSE_DATA))
SCRIPT_CONSOLE_LOG = urllib.parse.quote_plus("console.log('test')")
SCRIPT_CONSOLE_LOG_IN_MODULE = urllib.parse.quote_plus("export default function foo() { console.log('from module') }")
diff --git a/webdriver/tests/bidi/network/get_data/cached_tentative.py b/webdriver/tests/bidi/network/get_data/cached_tentative.py
new file mode 100644
index 00000000000000..03f753a2349437
--- /dev/null
+++ b/webdriver/tests/bidi/network/get_data/cached_tentative.py
@@ -0,0 +1,119 @@
+import pytest
+import pytest_asyncio
+import webdriver.bidi.error as error
+
+from tests.bidi import wait_for_bidi_events
+from .. import (
+ IMAGE_RESPONSE_BODY,
+ IMAGE_RESPONSE_DATA,
+ RESPONSE_COMPLETED_EVENT,
+ SCRIPT_CONSOLE_LOG,
+ STYLESHEET_RED_COLOR,
+ get_cached_url,
+ get_next_event_for_url,
+)
+
+
+@pytest_asyncio.fixture
+async def setup_cached_resource_test(bidi_session, top_context, setup_network_test, add_data_collector):
+ async def _setup_cached_resource_test(page_url, resource_url):
+ network_events = await setup_network_test(
+ events=[
+ RESPONSE_COMPLETED_EVENT,
+ ]
+ )
+ events = network_events[RESPONSE_COMPLETED_EVENT]
+
+ await bidi_session.browsing_context.navigate(
+ context=top_context["context"],
+ url=page_url,
+ wait="complete",
+ )
+
+ # Expect two events, one for the document, one for the resource.
+ await wait_for_bidi_events(bidi_session, events, 2, timeout=2)
+
+ collector = await add_data_collector(
+ collector_type="blob", data_types=["response"], max_encoded_data_size=1000
+ )
+
+ # Reload the page.
+ await bidi_session.browsing_context.reload(
+ context=top_context["context"], wait="complete"
+ )
+
+ # Expect two events after reload, for the document and the resource.
+ await wait_for_bidi_events(bidi_session, events, 4, timeout=2)
+
+ # Assert only cached events after reload.
+ cached_events = events[2:]
+ cached_resource_event = get_next_event_for_url(cached_events, resource_url)
+
+ data = await bidi_session.network.get_data(
+ request=cached_resource_event["request"]["request"],
+ data_type="response",
+ collector=collector,
+ )
+
+ return data
+
+ return _setup_cached_resource_test
+
+
+@pytest.mark.asyncio
+async def test_cached_image(
+ url,
+ inline,
+ setup_cached_resource_test,
+):
+ cached_image_url = url(get_cached_url("img/png", IMAGE_RESPONSE_BODY))
+ page_with_cached_image = inline(
+ f"""
+
+ test page with cached image
+ 
+
+ """,
+ )
+ data = await setup_cached_resource_test(page_with_cached_image, cached_image_url)
+
+ assert data["type"] == "base64"
+ assert IMAGE_RESPONSE_DATA.decode("utf-8") == data["value"]
+
+
+@pytest.mark.asyncio
+async def test_cached_javascript(
+ url,
+ inline,
+ setup_cached_resource_test,
+):
+ cached_script_js_url = url(get_cached_url("text/javascript", SCRIPT_CONSOLE_LOG))
+ page_with_cached_js = inline(
+ f"""
+
+ test page with cached js script file
+ """,
+ )
+ data = await setup_cached_resource_test(page_with_cached_js, cached_script_js_url)
+
+ assert data["type"] == "string"
+ assert isinstance(data["value"], str)
+
+
+@pytest.mark.asyncio
+async def test_cached_stylesheet(
+ url,
+ inline,
+ setup_cached_resource_test,
+):
+ cached_link_css_url = url(get_cached_url("text/css", STYLESHEET_RED_COLOR))
+ page_with_cached_css = inline(
+ f"""
+
+ test page with cached link stylesheet
+ """,
+ )
+ data = await setup_cached_resource_test(page_with_cached_css, cached_link_css_url)
+
+ assert data["type"] == "string"
+ assert data["value"] == "html, body { color: red; }"