diff --git a/api/robots.txt.ts b/api/robots.txt.ts
new file mode 100644
index 0000000..b8115f8
--- /dev/null
+++ b/api/robots.txt.ts
@@ -0,0 +1,23 @@
+import { NextApiRequest, NextApiResponse } from 'next'
+
+import { host } from '../lib/config'
+
+export default async (
+  req: NextApiRequest,
+  res: NextApiResponse
+): Promise<void> => {
+  if (req.method !== 'GET') {
+    return res.status(405).send({ error: 'method not allowed' })
+  }
+
+  res.setHeader(
+    'Cache-Control',
+    'public, s-maxage=60, max-age=60, stale-while-revalidate=60'
+  )
+  res.setHeader('Content-Type', 'text/plain')
+  res.write(`User-agent: *
+Allow: /
+Sitemap: ${host}/api/sitemap.xml
+`)
+  res.end()
+}
diff --git a/api/sitemap.xml.ts b/api/sitemap.xml.ts
new file mode 100644
index 0000000..5fca792
--- /dev/null
+++ b/api/sitemap.xml.ts
@@ -0,0 +1,45 @@
+import { NextApiRequest, NextApiResponse } from 'next'
+
+import { SiteMap } from '../lib/types'
+import { host } from '../lib/config'
+import { getSiteMaps } from '../lib/get-site-maps'
+
+export default async (
+  req: NextApiRequest,
+  res: NextApiResponse
+): Promise<void> => {
+  if (req.method !== 'GET') {
+    return res.status(405).send({ error: 'method not allowed' })
+  }
+
+  const siteMaps = await getSiteMaps()
+
+  res.setHeader(
+    'Cache-Control',
+    'public, s-maxage=3600, max-age=3600, stale-while-revalidate=3600'
+  )
+  res.setHeader('Content-Type', 'text/xml')
+  res.write(createSitemap(siteMaps[0]))
+  res.end()
+}
+
+const createSitemap = (
+  siteMap: SiteMap
+) => `<?xml version="1.0" encoding="UTF-8"?>
+    <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+      <url>
+        <loc>${host}</loc>
+        <loc>${host}/</loc>
+      </url>
+
+      ${Object.keys(siteMap.canonicalPageMap)
+        .map((canonicalPagePath) =>
+          `
+            <url>
+              <loc>${host}/${canonicalPagePath}</loc>
+            </url>
+          `.trim()
+        )
+        .join('')}
+    </urlset>
+    `
diff --git a/pages/[pageId].tsx b/pages/[pageId].tsx
index e81231a..afbbaae 100644
--- a/pages/[pageId].tsx
+++ b/pages/[pageId].tsx
@@ -8,6 +8,14 @@ export const getStaticProps = async (context) => {
   const rawPageId = context.params.pageId as string
 
   try {
+    if (rawPageId === 'sitemap.xml' || rawPageId === 'robots.txt') {
+      return {
+        redirect: {
+          destination: `/api/${rawPageId}`
+        }
+      }
+    }
+
     const props = await resolveNotionPage(domain, rawPageId)
 
     return { props, revalidate: 10 }
diff --git a/pages/robots.txt.tsx b/pages/robots.txt.tsx
deleted file mode 100644
index cf85d6a..0000000
--- a/pages/robots.txt.tsx
+++ /dev/null
@@ -1,14 +0,0 @@
-import React from 'react'
-
-import { host } from 'lib/config'
-
-export default class Robots extends React.Component {
-  static async getInitialProps({ res }) {
-    res.setHeader('Content-Type', 'text/plain')
-    res.write(`User-agent: *
-Allow: /
-Sitemap: ${host}/sitemap.xml
-`)
-    res.end()
-  }
-}
diff --git a/pages/sitemap.xml.tsx b/pages/sitemap.xml.tsx
deleted file mode 100644
index a77e159..0000000
--- a/pages/sitemap.xml.tsx
+++ /dev/null
@@ -1,36 +0,0 @@
-import React from 'react'
-
-import { SiteMap } from 'lib/types'
-import { host } from 'lib/config'
-import { getSiteMaps } from 'lib/get-site-maps'
-
-const createSitemap = (
-  siteMap: SiteMap
-) => `<?xml version="1.0" encoding="UTF-8"?>
-    <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
-      <url>
-        <loc>${host}</loc>
-        <loc>${host}/</loc>
-      </url>
-
-      ${Object.keys(siteMap.canonicalPageMap)
-        .map((canonicalPagePath) =>
-          `
-            <url>
-              <loc>${host}/${canonicalPagePath}</loc>
-            </url>
-          `.trim()
-        )
-        .join('')}
-    </urlset>
-    `
-
-export default class Sitemap extends React.Component {
-  static async getInitialProps({ res }) {
-    const siteMaps = await getSiteMaps()
-
-    res.setHeader('Content-Type', 'text/xml')
-    res.write(createSitemap(siteMaps[0]))
-    res.end()
-  }
-}