From e92f6b70a0b1ccb1ac04795fd221d9d54ade8730 Mon Sep 17 00:00:00 2001
From: Nicolas Dato <52720256+nicolasdato@users.noreply.github.com>
Date: Sat, 4 Apr 2026 15:44:35 +0000
Subject: [PATCH] [mod] duckduckgo: restore Sec-Fetch-* headers to prevent rate
 limits

---
 searx/engines/duckduckgo.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/searx/engines/duckduckgo.py b/searx/engines/duckduckgo.py
index 1a424fac7..4dd7f82bd 100644
--- a/searx/engines/duckduckgo.py
+++ b/searx/engines/duckduckgo.py
@@ -379,6 +379,12 @@ def request(query: str, params: "OnlineParams") -> None:
     # The vqd value is generated from the query and the UA header. To be able to
     # reuse the vqd value, the UA header must be static.
     headers["User-Agent"] = _HTTP_User_Agent
+
+    headers["Sec-Fetch-Dest"] = "document"
+    headers["Sec-Fetch-Mode"] = "navigate"
+    headers["Sec-Fetch-Site"] = "same-origin"
+    headers["Sec-Fetch-User"] = "?1"
+
     headers["Referer"] = "https://html.duckduckgo.com/"
 
     ui_lang = params["searxng_locale"]