diff --git a/frontend/src/components/site-inspection/PageTreeNode.tsx b/frontend/src/components/site-inspection/PageTreeNode.tsx
index dba5f20..a2a669f 100644
--- a/frontend/src/components/site-inspection/PageTreeNode.tsx
+++ b/frontend/src/components/site-inspection/PageTreeNode.tsx
@@ -26,28 +26,40 @@ interface PageTreeNodeProps {
   onSelectPage: (url: string) => void;
   /** 들여쓰기 레벨 */
   level: number;
+  /** 부모 노드의 경로 (중복 경로 제거용) */
+  parentPath?: string;
 }
 
 /**
- * URL에서 마지막 경로 세그먼트만 반환.
- * 루트는 "/", 나머지는 마지막 세그먼트만 표시.
- * 예: "https://example.com/" -> "/"
- *     "https://example.com/about" -> "about"
- *     "https://example.com/about/press" -> "press"
+ * URL에서 부모 경로와 겹치는 앞부분을 제거하여 표시명 반환.
+ * 예: parentPath="/about", url="/about/press" → "/press"
+ *     parentPath="/", url="/about" → "/about"
+ *     parentPath=undefined, url="/" → "/"
  */
-function getDisplayName(url: string): string {
+function getDisplayName(url: string, parentPath?: string): string {
   try {
     const parsed = new URL(url);
-    const path = parsed.pathname;
+    const path = parsed.pathname || "/";
     if (path === "/" || path === "") return "/";
-    const clean = path.endsWith("/") ? path.slice(0, -1) : path;
-    const segments = clean.split("/").filter(Boolean);
-    return segments[segments.length - 1] || "/";
+
+    if (parentPath && parentPath !== "/" && path.startsWith(parentPath)) {
+      return path.slice(parentPath.length) || path;
+    }
+    return path;
   } catch {
     return url;
   }
 }
 
+/** URL에서 pathname만 추출 */
+function getPathFromUrl(url: string): string {
+  try {
+    return new URL(url).pathname || "/";
+  } catch {
+    return "/";
+  }
+}
+
 /** 페이지 트리 노드 (재귀 컴포넌트) */
 export function PageTreeNode({
   page,
@@ -56,12 +68,14 @@ export function PageTreeNode({
   selectedUrl,
   onSelectPage,
   level,
+  parentPath,
 }: PageTreeNodeProps) {
   const [isExpanded, setIsExpanded] = useState(level < 2);
   const children = childrenPages.get(page.url) || [];
   const hasChildren = children.length > 0;
   const isSelected = selectedUrl === page.url;
-  const displayPath = getDisplayName(page.url);
+  const currentPath = getPathFromUrl(page.url);
+  const displayPath = getDisplayName(page.url, parentPath);
 
   return (
     <div>
@@ -137,6 +151,7 @@ export function PageTreeNode({
               selectedUrl={selectedUrl}
               onSelectPage={onSelectPage}
               level={level + 1}
+              parentPath={currentPath}
             />
           ))}
         </div>