diff --git a/frontend/scripts/generate-sitemap.js b/frontend/scripts/generate-sitemap.js
index a107d67..6a08b16 100644
--- a/frontend/scripts/generate-sitemap.js
+++ b/frontend/scripts/generate-sitemap.js
@@ -2,6 +2,14 @@ import axios from 'axios'
 import fs from 'fs'
 import path from 'path'
 
+const formatDate = (date = new Date) => {
+  const year = date.getFullYear ()
+  const month = (date.getMonth () + 1).toString ().padStart (2, '0')
+  const day = date.getDate ().toString ().padStart (2, '0')
+
+  return `${ year }-${ month }-${ day }`
+}
+
 const DOMAIN = 'https://hub.nizika.monster'
 const API_BASE_URL = 'https://hub.nizika.monster/api'
 
@@ -18,17 +26,16 @@ const routes = [
     '/',
     ...(await fetchTagNames ()).map (tags => `/posts?${ (new URLSearchParams ({ tags })).toString () }`),
     ...(await fetchPostIds ()).map (id => `/posts/${ id }`),
-    '/tags',
-    '/tags/nico',
     '/wiki',
-    '/wiki/changes',
-    ...(await fetchWikiTitles ()).map (title => `/wiki/${ encodeURIComponent (title) }`),
-    '/users',
-    '/users/settings']
+    ...(await fetchWikiTitles ()).map (title => `/wiki/${ encodeURIComponent (title) }`)]
 
 const xml = `<?xml version="1.0" encoding="UTF-8"?>
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
-${ routes.map (route => `  <url><loc>${ DOMAIN }${ route }</loc></url>`).join ('\n') }
+${ routes.map (route => `  <url>
+    <loc>${ DOMAIN }${ route }</loc>
+    <lastmod>${ formatDate () }</lastmod>
+    <changefreq>daily</changefreq>
+  </url>`).join ('\n') }
 </urlset>`
 
 fs.writeFileSync (path.resolve ('dist/sitemap.xml'), xml)