diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 8fb70fd..1a9d80e 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -34,3 +34,6 @@ jobs:
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4
+
+      - name: Live probe published site
+        run: scripts/probe_site.sh
diff --git a/README.md b/README.md
index c120b63..22da778 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ This repo is **English-primary, zh-en bilingual**: source files are English; ext
 
 ## 包
 
-- `packages/site-board/`（flat）：站点数据源 v0。cron 轮询 `FKST_GITHUB_REPO` 的 open issue/PR 板面，构建 `fkst-website.board.v1` 快照 JSON；`FKST_SITE_WRITE=1` 且设置 `FKST_SITE_PUBLISH_ROOT` 时原子发布 `board.json`（写 tmp + mv），否则 dry-run 只记日志。
+- `packages/site-board/`（flat）：站点数据源 v0。cron 轮询 `FKST_GITHUB_REPO` 的 open issue/PR 板面，构建 `fkst-website.board.v1` 快照 JSON；`FKST_SITE_WRITE=1` 且设置 `FKST_SITE_PUBLISH_ROOT` 时原子发布 `board.json`（写 tmp + mv），否则 dry-run 只记日志。GitHub Pages deploy 后读取 `site/probe-manifest` 对发布站点做只读 live probe，只输出可 grep 的 `PROBE` ok/fail/skip 日志。
 
 ## 构建 / 测试
 
diff --git a/scripts/probe_site.sh b/scripts/probe_site.sh
new file mode 100755
index 0000000..d9df2ff
--- /dev/null
+++ b/scripts/probe_site.sh
@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+# Probe the deployed GitHub Pages site from the tracked manifest.
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+MANIFEST="${FKST_SITE_PROBE_MANIFEST:-$ROOT/site/probe-manifest}"
+BASE_URL="${FKST_SITE_PROBE_BASE_URL:-https://chronoaiproject.github.io/fkst-website}"
+TIMEOUT_SECONDS="${FKST_SITE_PROBE_TIMEOUT_SECONDS:-15}"
+CONNECT_TIMEOUT_SECONDS="${FKST_SITE_PROBE_CONNECT_TIMEOUT_SECONDS:-5}"
+
+checked=0
+failures=0
+network_errors=0
+results=()
+
+while IFS= read -r path || [ -n "$path" ]; do
+  path="${path%%#*}"
+  path="${path#"${path%%[![:space:]]*}"}"
+  path="${path%"${path##*[![:space:]]}"}"
+  [ -n "$path" ] || continue
+
+  checked=$((checked + 1))
+  url="${BASE_URL}${path}"
+  code="$(curl -sL -o /dev/null -w '%{http_code}' --connect-timeout "$CONNECT_TIMEOUT_SECONDS" --max-time "$TIMEOUT_SECONDS" -- "$url")" || code="error"
+  [ -n "$code" ] || code="error"
+  results+=("${path}:${code}")
+
+  if [ "$code" = "200" ]; then
+    continue
+  elif [ "$code" = "error" ]; then
+    network_errors=$((network_errors + 1))
+  else
+    failures=$((failures + 1))
+  fi
+done < "$MANIFEST"
+
+joined="$(IFS=,; echo "${results[*]}")"
+if [ "$checked" -eq 0 ]; then
+  echo "fkst-website dept=pages tag=skip PROBE paths=0 reason=empty-manifest results="
+elif [ "$network_errors" -eq "$checked" ]; then
+  echo "fkst-website dept=pages tag=skip PROBE paths=$checked reason=all-paths-network-error results=$joined"
+elif [ "$failures" -gt 0 ] || [ "$network_errors" -gt 0 ]; then
+  echo "fkst-website dept=pages tag=fail PROBE paths=$checked failures=$failures network_errors=$network_errors results=$joined"
+  exit 1
+else
+  echo "fkst-website dept=pages tag=ok PROBE paths=$checked results=$joined"
+fi
diff --git a/scripts/probe_site_test.py b/scripts/probe_site_test.py
new file mode 100755
index 0000000..0a9834c
--- /dev/null
+++ b/scripts/probe_site_test.py
@@ -0,0 +1,101 @@
+#!/usr/bin/env python3
+"""Unit tests for the deployed-site probe script."""
+
+from __future__ import annotations
+
+import os
+import stat
+import subprocess
+import tempfile
+import textwrap
+import unittest
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+PROBE = ROOT / "scripts" / "probe_site.sh"
+
+
+class ProbeSiteTest(unittest.TestCase):
+    def run_probe(self, manifest: str, fake_curl: str) -> subprocess.CompletedProcess[str]:
+        with tempfile.TemporaryDirectory() as tmp:
+            tmp_path = Path(tmp)
+            manifest_path = tmp_path / "probe-manifest"
+            manifest_path.write_text(manifest, encoding="utf-8")
+
+            bin_dir = tmp_path / "bin"
+            bin_dir.mkdir()
+            curl_path = bin_dir / "curl"
+            curl_path.write_text(fake_curl, encoding="utf-8")
+            curl_path.chmod(curl_path.stat().st_mode | stat.S_IXUSR)
+
+            env = os.environ.copy()
+            env.update(
+                {
+                    "PATH": f"{bin_dir}{os.pathsep}{env['PATH']}",
+                    "FKST_SITE_PROBE_MANIFEST": str(manifest_path),
+                    "FKST_SITE_PROBE_BASE_URL": "https://example.test",
+                }
+            )
+            return subprocess.run(
+                [str(PROBE)],
+                cwd=ROOT,
+                env=env,
+                text=True,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.PIPE,
+                check=False,
+            )
+
+    def test_all_200_logs_ok(self) -> None:
+        curl = textwrap.dedent(
+            """\
+            #!/usr/bin/env bash
+            printf '200'
+            """
+        )
+        result = self.run_probe("/\n/zh/\n", curl)
+
+        self.assertEqual(result.returncode, 0, result.stderr)
+        self.assertEqual(
+            result.stdout.strip(),
+            "fkst-website dept=pages tag=ok PROBE paths=2 results=/:200,/zh/:200",
+        )
+
+    def test_partial_failure_logs_fail_and_exits_1(self) -> None:
+        curl = textwrap.dedent(
+            """\
+            #!/usr/bin/env bash
+            url="${@: -1}"
+            case "$url" in
+              */missing.html) printf '404' ;;
+              *) printf '200' ;;
+            esac
+            """
+        )
+        result = self.run_probe("/\n/missing.html\n", curl)
+
+        self.assertEqual(result.returncode, 1)
+        self.assertEqual(
+            result.stdout.strip(),
+            "fkst-website dept=pages tag=fail PROBE paths=2 failures=1 network_errors=0 results=/:200,/missing.html:404",
+        )
+
+    def test_all_network_error_logs_skip(self) -> None:
+        curl = textwrap.dedent(
+            """\
+            #!/usr/bin/env bash
+            exit 7
+            """
+        )
+        result = self.run_probe("/\n/zh/\n", curl)
+
+        self.assertEqual(result.returncode, 0, result.stderr)
+        self.assertEqual(
+            result.stdout.strip(),
+            "fkst-website dept=pages tag=skip PROBE paths=2 reason=all-paths-network-error results=/:error,/zh/:error",
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/scripts/run.sh b/scripts/run.sh
index cc27be2..1e3ca7c 100755
--- a/scripts/run.sh
+++ b/scripts/run.sh
@@ -124,6 +124,7 @@ usage() {
 cmd_check() {
   python3 "$ROOT/scripts/check_repo.py"
   python3 "$ROOT/scripts/check_repo_test.py"
+  python3 "$ROOT/scripts/probe_site_test.py"
 }
 
 check_test_file_coverage() {
diff --git a/site/probe-manifest b/site/probe-manifest
new file mode 100644
index 0000000..fa9ae07
--- /dev/null
+++ b/site/probe-manifest
@@ -0,0 +1,6 @@
+/
+/zh/
+/architecture.html
+/doctrine.html
+/zh/architecture.html
+/zh/doctrine.html