diff --git a/public/_headers b/public/_headers
new file mode 100644
index 0000000..067b0b3
--- /dev/null
+++ b/public/_headers
@@ -0,0 +1,6 @@
+/*
+ X-Robots-Tag: index, follow
+ Cache-Control: public, max-age=3600
+ Referrer-Policy: strict-origin-when-cross-origin
+ Content-Security-Policy: default-src 'self' https:;
+ Permissions-Policy: geolocation=(), microphone=(), camera=()
diff --git a/src/App.tsx b/src/App.tsx
index d540c88..c08db06 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -45,7 +45,11 @@ function App() {
+ Contact: island.id.record@gmail.com
© 2025 ISLAND · MIT License