diff --git a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/3mchqlshygs2s.json b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/3mchqlshygs2s.json
index f675bd5..a3c91cf 100644
--- a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/3mchqlshygs2s.json
+++ b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/3mchqlshygs2s.json
@@ -1,13 +1,13 @@
 {
-  "cid": "bafyreidymanu2xk4ftmvfdna3j7ixyijc37s6h3aytstuqgzatgjl4tp7e",
+  "uri": "at://did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/3mchqlshygs2s",
+  "cid": "bafyreielgn743kg5xotfj5x53edl25vkbbd2d6v7s3tydyyjsvczcluyme",
+  "title": "ailogを作り直した",
   "content": "## ailogとは\n\natprotoと連携するサイトジェネレータ。\n\n## ailogの使い方\n\n```sh\n$ git clone https://git.syui.ai/ai/log\n$ cd log\n$ cat public/config.json\n{\n  \"title\": \"syui.ai\",\n  \"handle\": \"syui.syui.ai\",\n  \"collection\": \"ai.syui.log.post\",\n  \"network\": \"syu.is\",\n  \"color\": \"#0066cc\",\n  \"siteUrl\": \"https://syui.ai\"\n}\n---\n$ npm run dev\n```\n\n## ailogのコンセプト\n\n1. at-browserを基本にする\n2. atproto oauthでログインする\n3. ログインしたアカウントで記事をポストする\n\n## ailogの追加機能\n\n1. atproto recordからjsonをdownloadすると表示速度が上がる(ただし更新はlocalから)\n2. コメントはurlの言及を検索して表示\n\n```sh\n$ npm run fetch\n$ npm run generate\n```",
   "createdAt": "2026-01-15T13:59:52.367Z",
-  "title": "ailogを作り直した",
   "translations": {
     "en": {
-      "content": "## What is ailog?\n\nA site generator that integrates with the atproto framework.\n\n## How to Use ailog\n\n```sh\n$ git clone https://git.syui.ai/ai/log\n$ cd log\n$ cat public/config.json\n{\n  \"title\": \"syui.ai\",\n  \"handle\": \"syui.syui.ai\",\n  \"collection\": \"ai.syui.log.post\",\n  \"network\": \"syu.is\",\n  \"color\": \"#0066cc\",\n  \"siteUrl\": \"https://syui.ai\"\n}\n---\n$ npm run dev\n```\n\n## ailog's Concept\n\n1. Based on at-browser as its foundation\n2. Authentication via atproto oAuth\n3. Post articles using the logged-in account\n\n## Additional Features of ailog\n\n1. Downloading JSON from atproto record improves display speed (though updates still come from local storage)\n2. Comments are displayed by searching for URL mentions\n\n```sh\n$ npm run fetch\n$ npm run generate\n```",
-      "title": "recreated ailog"
+      "title": "recreated ailog",
+      "content": "## What is ailog?\n\nA site generator that integrates with the atproto framework.\n\n## How to Use ailog\n\n```sh\n$ git clone https://git.syui.ai/ai/log\n$ cd log\n$ cat public/config.json\n{\n  \"title\": \"syui.ai\",\n  \"handle\": \"syui.syui.ai\",\n  \"collection\": \"ai.syui.log.post\",\n  \"network\": \"syu.is\",\n  \"color\": \"#0066cc\",\n  \"siteUrl\": \"https://syui.ai\"\n}\n---\n$ npm run dev\n```\n\n## ailog's Concept\n\n1. Based on at-browser as its foundation\n2. Authentication via atproto oAuth\n3. Post articles using the logged-in account\n\n## Additional Features of ailog\n\n1. Downloading JSON from atproto record improves display speed (though updates still come from local storage)\n2. Comments are displayed by searching for URL mentions\n\n```sh\n$ npm run fetch\n$ npm run generate\n```"
     }
-  },
-  "uri": "at://did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/3mchqlshygs2s"
+  }
 }
\ No newline at end of file
diff --git a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/atproto.com.png b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/atproto.com.png
new file mode 100644
index 0000000..4c04c29
Binary files /dev/null and b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/atproto.com.png differ
diff --git a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/frontpage.fyi.png b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/frontpage.fyi.png
new file mode 100644
index 0000000..759fabd
Binary files /dev/null and b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/frontpage.fyi.png differ
diff --git a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/leaflet.pub.png b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/leaflet.pub.png
new file mode 100644
index 0000000..0aab0d3
Binary files /dev/null and b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/leaflet.pub.png differ
diff --git a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/linkat.blue.png b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/linkat.blue.png
new file mode 100644
index 0000000..4e6e984
Binary files /dev/null and b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/linkat.blue.png differ
diff --git a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/pinksea.art.png b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/pinksea.art.png
new file mode 100644
index 0000000..2423469
Binary files /dev/null and b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/pinksea.art.png differ
diff --git a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/syu.is.png b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/syu.is.png
new file mode 100644
index 0000000..f8f45fb
Binary files /dev/null and b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/syu.is.png differ
diff --git a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/tangled.sh.png b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/tangled.sh.png
new file mode 100644
index 0000000..1e660b7
Binary files /dev/null and b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/tangled.sh.png differ
diff --git a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/whtwnd.com.png b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/whtwnd.com.png
new file mode 100644
index 0000000..d7e99b9
Binary files /dev/null and b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/favicons/whtwnd.com.png differ
diff --git a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/profile.json b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/profile.json
index c7441a2..4b4ad7c 100644
--- a/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/profile.json
+++ b/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/profile.json
@@ -17,5 +17,5 @@
   "indexedAt": "2025-09-19T06:17:42.000Z",
   "followersCount": 1,
   "followsCount": 1,
-  "postsCount": 74
+  "postsCount": 77
 }
\ No newline at end of file
diff --git a/public/.well-known/lexicon/ai.syui.log.post.json b/public/.well-known/lexicon/ai.syui.log.post.json
index bb7f93b..ad2f85b 100644
--- a/public/.well-known/lexicon/ai.syui.log.post.json
+++ b/public/.well-known/lexicon/ai.syui.log.post.json
@@ -20,15 +20,49 @@
             "type": "string",
             "maxLength": 1000000,
             "maxGraphemes": 100000,
-            "description": "The content of the post."
+            "description": "The content of the post (markdown)."
           },
           "createdAt": {
             "type": "string",
             "format": "datetime",
             "description": "Client-declared timestamp when this post was originally created."
+          },
+          "lang": {
+            "type": "string",
+            "maxLength": 10,
+            "description": "Language code of the original content (e.g., 'ja', 'en')."
+          },
+          "translations": {
+            "type": "ref",
+            "ref": "#translationMap",
+            "description": "Translations of the post in other languages."
           }
         }
       }
+    },
+    "translationMap": {
+      "type": "object",
+      "description": "Map of language codes to translations.",
+      "properties": {
+        "en": { "type": "ref", "ref": "#translation" },
+        "ja": { "type": "ref", "ref": "#translation" }
+      }
+    },
+    "translation": {
+      "type": "object",
+      "description": "A translation of a post.",
+      "properties": {
+        "title": {
+          "type": "string",
+          "maxLength": 3000,
+          "maxGraphemes": 300
+        },
+        "content": {
+          "type": "string",
+          "maxLength": 1000000,
+          "maxGraphemes": 100000
+        }
+      }
     }
   }
 }
diff --git a/public/.well-known/lexicon/ai/syui/log/post.json b/public/.well-known/lexicon/ai/syui/log/post.json
new file mode 100644
index 0000000..ad2f85b
--- /dev/null
+++ b/public/.well-known/lexicon/ai/syui/log/post.json
@@ -0,0 +1,68 @@
+{
+  "lexicon": 1,
+  "id": "ai.syui.log.post",
+  "defs": {
+    "main": {
+      "type": "record",
+      "description": "Record containing a blog post.",
+      "key": "tid",
+      "record": {
+        "type": "object",
+        "required": ["title", "content", "createdAt"],
+        "properties": {
+          "title": {
+            "type": "string",
+            "maxLength": 3000,
+            "maxGraphemes": 300,
+            "description": "The title of the post."
+          },
+          "content": {
+            "type": "string",
+            "maxLength": 1000000,
+            "maxGraphemes": 100000,
+            "description": "The content of the post (markdown)."
+          },
+          "createdAt": {
+            "type": "string",
+            "format": "datetime",
+            "description": "Client-declared timestamp when this post was originally created."
+          },
+          "lang": {
+            "type": "string",
+            "maxLength": 10,
+            "description": "Language code of the original content (e.g., 'ja', 'en')."
+          },
+          "translations": {
+            "type": "ref",
+            "ref": "#translationMap",
+            "description": "Translations of the post in other languages."
+          }
+        }
+      }
+    },
+    "translationMap": {
+      "type": "object",
+      "description": "Map of language codes to translations.",
+      "properties": {
+        "en": { "type": "ref", "ref": "#translation" },
+        "ja": { "type": "ref", "ref": "#translation" }
+      }
+    },
+    "translation": {
+      "type": "object",
+      "description": "A translation of a post.",
+      "properties": {
+        "title": {
+          "type": "string",
+          "maxLength": 3000,
+          "maxGraphemes": 300
+        },
+        "content": {
+          "type": "string",
+          "maxLength": 1000000,
+          "maxGraphemes": 100000
+        }
+      }
+    }
+  }
+}
diff --git a/scripts/generate.ts b/scripts/generate.ts
index 82c9b5a..e858a40 100644
--- a/scripts/generate.ts
+++ b/scripts/generate.ts
@@ -199,12 +199,14 @@ function getFaviconDir(did: string): string {
 
 async function downloadFavicon(url: string, filepath: string): Promise<boolean> {
   try {
-    const res = await fetch(url)
+    const res = await fetch(url, { redirect: 'follow' })
     if (!res.ok) return false
     const buffer = await res.arrayBuffer()
+    if (buffer.byteLength === 0) return false
     fs.writeFileSync(filepath, Buffer.from(buffer))
     return true
-  } catch {
+  } catch (err) {
+    console.error(`Failed to download ${url}:`, err)
     return false
   }
 }
@@ -226,8 +228,21 @@ function getServiceDomain(collection: string): string | null {
   return null
 }
 
+// Common service domains to always download favicons for
+const COMMON_SERVICE_DOMAINS = [
+  'bsky.app',
+  'syui.ai',
+  'atproto.com',
+  'whtwnd.com',
+  'frontpage.fyi',
+  'pinksea.art',
+  'linkat.blue',
+  'tangled.sh',
+  'leaflet.pub',
+]
+
 function getServiceDomains(collections: string[]): string[] {
-  const domains = new Set<string>()
+  const domains = new Set<string>(COMMON_SERVICE_DOMAINS)
   for (const col of collections) {
     const domain = getServiceDomain(col)
     if (domain) domains.add(domain)
@@ -241,21 +256,22 @@ async function downloadFavicons(did: string, domains: string[]): Promise<void> {
     fs.mkdirSync(faviconDir, { recursive: true })
   }
 
+  // Known favicon URLs (prefer official sources over Google)
+  // Others will use Google's favicon API as fallback
   const faviconUrls: Record<string, string> = {
     'bsky.app': 'https://bsky.app/static/favicon-32x32.png',
     'syui.ai': 'https://syui.ai/favicon.png',
   }
 
   for (const domain of domains) {
-    const url = faviconUrls[domain]
-    if (!url) continue
-
     const filepath = path.join(faviconDir, `${domain}.png`)
-    if (!fs.existsSync(filepath)) {
-      const ok = await downloadFavicon(url, filepath)
-      if (ok) {
-        console.log(`Downloaded: ${domain}.png`)
-      }
+    if (fs.existsSync(filepath)) continue
+
+    // Try known URL first, then fallback to Google's favicon API
+    const url = faviconUrls[domain] || `https://www.google.com/s2/favicons?domain=${domain}&sz=32`
+    const ok = await downloadFavicon(url, filepath)
+    if (ok) {
+      console.log(`Downloaded: ${domain}.png`)
     }
   }
 }
diff --git a/src/components/atbrowser.ts b/src/components/atbrowser.ts
index 7a27eeb..5a08dd6 100644
--- a/src/components/atbrowser.ts
+++ b/src/components/atbrowser.ts
@@ -1,6 +1,17 @@
-import { describeRepo, listRecordsRaw, getRecordRaw, fetchLexicon, resolveHandle, getServiceInfo, resolvePds, getPlc } from '../lib/api.js'
+import { describeRepo, listRecordsRaw, getRecordRaw, fetchLexicon, resolveHandle, getServiceInfo, resolvePds, getPlcForPds } from '../lib/api.js'
 import { deleteRecord } from '../lib/auth.js'
 import { escapeHtml } from '../lib/utils.js'
+import type { Networks } from '../types.js'
+
+// Cache networks config
+let networksConfig: Networks | null = null
+
+async function loadNetworks(): Promise<Networks> {
+  if (networksConfig) return networksConfig
+  const res = await fetch('/networks.json')
+  networksConfig = await res.json()
+  return networksConfig!
+}
 
 function extractRkey(uri: string): string {
   const parts = uri.split('/')
@@ -8,13 +19,15 @@ function extractRkey(uri: string): string {
 }
 
 async function renderServices(did: string, handle: string): Promise<string> {
-  const [collections, pds] = await Promise.all([
+  const [collections, pds, networks] = await Promise.all([
     describeRepo(did),
-    resolvePds(did)
+    resolvePds(did),
+    loadNetworks()
   ])
 
-  // Server info section
-  const plcUrl = `${getPlc()}/${did}/log`
+  // Server info section - use PLC based on PDS
+  const plc = getPlcForPds(pds, networks)
+  const plcUrl = `${plc}/${did}/log`
   const serverHtml = `
     <div class="server-info">
       <h3>Server</h3>
diff --git a/src/lib/api.ts b/src/lib/api.ts
index 809e1f5..0eefe4f 100644
--- a/src/lib/api.ts
+++ b/src/lib/api.ts
@@ -14,6 +14,33 @@ export function getPlc(): string {
   return networkConfig?.plc || 'https://plc.directory'
 }
 
+// Get PLC URL based on PDS endpoint
+export function getPlcForPds(pds: string, networks: Record<string, { plc: string; bsky: string; web?: string }>): string {
+  // Check if PDS matches any network
+  for (const [_key, config] of Object.entries(networks)) {
+    // Match by domain (e.g., "https://syu.is" or "https://bsky.syu.is")
+    try {
+      const pdsHost = new URL(pds).hostname
+      const bskyHost = new URL(config.bsky).hostname
+      // Check if PDS host matches network's bsky host
+      if (pdsHost === bskyHost || pdsHost.endsWith('.' + bskyHost)) {
+        return config.plc
+      }
+      // Also check web host if available
+      if (config.web) {
+        const webHost = new URL(config.web).hostname
+        if (pdsHost === webHost || pdsHost.endsWith('.' + webHost)) {
+          return config.plc
+        }
+      }
+    } catch {
+      continue
+    }
+  }
+  // Default to plc.directory
+  return 'https://plc.directory'
+}
+
 function getBsky(): string {
   return networkConfig?.bsky || 'https://public.api.bsky.app'
 }