diff --git a/src/backend/service/webring.ts b/src/backend/service/webring.ts
index 55537c0..358fbc5 100644
--- a/src/backend/service/webring.ts
+++ b/src/backend/service/webring.ts
@@ -5,6 +5,7 @@ import { ffetch } from '../utils/fetch.ts'
 
 const WEBRING_URL = 'https://otomir23.me/webring/5/data'
 const WEBRING_TTL = 1000 * 60 * 60 * 24 // 24 hours
+const STALE_TTL = 1000 * 60 * 60 * 8 // 8 hours
 
 const WebringItem = z.object({
   id: z.number(),
@@ -29,4 +30,5 @@ export const webring = new AsyncResource<WebringData>({
     }
   },
   swr: true,
+  swrValidator: ({ currentFetchedAt }) => Date.now() - currentFetchedAt < STALE_TTL,
 })
diff --git a/src/backend/utils/fetch.ts b/src/backend/utils/fetch.ts
index 99cc910..57d63ff 100644
--- a/src/backend/utils/fetch.ts
+++ b/src/backend/utils/fetch.ts
@@ -1,3 +1,4 @@
+/* eslint-disable no-console */
 import { ffetchAddons, ffetchBase } from '@fuman/fetch'
 import { ffetchZodAdapter } from '@fuman/fetch/zod'
 
@@ -6,6 +7,17 @@ export const ffetch = ffetchBase.extend({
     ffetchAddons.parser(ffetchZodAdapter()),
     ffetchAddons.retry(),
   ],
+  middlewares: [
+    async (req, next) => {
+      console.log('[%s] fetch(%s %s)', new Date().toISOString(), req.method, req.url)
+      const start = Date.now()
+      try {
+        return await next(req)
+      } finally {
+        console.log('[%s] fetch(%s %s) done in %sms', new Date().toISOString(), req.method, req.url, Date.now() - start)
+      }
+    },
+  ],
   headers: {
     'User-Agent': 'tei.su/1.0',
   },