1 files changed, 16 insertions, 0 deletions
diff --git a/testing/web-platform/tests/speculation-rules/prefetch/resources/prefetch.py b/testing/web-platform/tests/speculation-rules/prefetch/resources/prefetch.py
new file mode 100644
index 0000000000..4a0a7a3602
--- /dev/null
+++ b/testing/web-platform/tests/speculation-rules/prefetch/resources/prefetch.py
@@ -0,0 +1,16 @@
+from wptserve.handlers import json_handler
+
+@json_handler
+def main(request, response):
+  uuid = request.GET[b"uuid"]
+  prefetch = request.headers.get(
+      "Sec-Purpose", b"").decode("utf-8").startswith("prefetch")
+
+  n = request.server.stash.take(uuid)
+  if n is None:
+    n = 0
+  if prefetch:
+    n += 1
+    request.server.stash.put(uuid, n)
+
+  return n