diff --git a/index.html b/index.html
index 8e30b10..ae7bb86 100644
--- a/index.html
+++ b/index.html
@@ -15,10 +15,57 @@
- eSIM Tools - Giffgaff & Simyo
+ eSIM Tools - Giffgaff & Simyo eSIM 在线管理工具 | 申请、激活与二维码生成
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diff --git a/netlify.toml b/netlify.toml
index fbc9f09..61ac9ca 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -137,6 +137,33 @@
to = "/index.html"
status = 404
+# 静态资源长期缓存（CSS/JS/字体/图片）
+[[headers]]
+ for = "/src/styles/*"
+ [headers.values]
+ Cache-Control = "public, max-age=31536000, immutable"
+
+[[headers]]
+ for = "/src/js/*"
+ [headers.values]
+ Cache-Control = "public, max-age=31536000, immutable"
+
+[[headers]]
+ for = "/src/assets/*"
+ [headers.values]
+ Cache-Control = "public, max-age=31536000, immutable"
+
+[[headers]]
+ for = "/dist/*"
+ [headers.values]
+ Cache-Control = "public, max-age=31536000, immutable"
+
+# HTML 页面：短缓存 + stale-while-revalidate
+[[headers]]
+ for = "/*.html"
+ [headers.values]
+ Cache-Control = "public, max-age=300, stale-while-revalidate=86400"
+
# 安全头部
[[headers]]
for = "/*"
diff --git a/robots.txt b/robots.txt
new file mode 100644
index 0000000..d5ce899
--- /dev/null
+++ b/robots.txt
@@ -0,0 +1,8 @@
+# eSIM-Tools - 搜索引擎爬虫指令
+User-agent: *
+Allow: /
+Disallow: /api/
+Disallow: /.netlify/
+Disallow: /src/
+
+Sitemap: https://esim.cosr.eu.org/sitemap.xml