diff --git a/app/src/main/java/jp/juggler/subwaytooter/actpost/FeaturedTagCache.kt b/app/src/main/java/jp/juggler/subwaytooter/actpost/FeaturedTagCache.kt
index 3dc8e409..043e050b 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/actpost/FeaturedTagCache.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/actpost/FeaturedTagCache.kt
@@ -3,6 +3,7 @@ package jp.juggler.subwaytooter.actpost
 import android.os.SystemClock
 import jp.juggler.subwaytooter.ActPost
 import jp.juggler.subwaytooter.api.ApiTask
+import jp.juggler.subwaytooter.api.TootApiResult
 import jp.juggler.subwaytooter.api.TootParser
 import jp.juggler.subwaytooter.api.entity.TootTag
 import jp.juggler.subwaytooter.api.runApiTask
@@ -43,15 +44,26 @@ fun ActPost.updateFeaturedTags() {
                             FeaturedTagCache(list, SystemClock.elapsedRealtime())
                     }
                 } else {
-                    client.request("/api/v1/featured_tags")?.also { result ->
-                        val list = TootTag.parseList(
-                            TootParser(this@runApiTask, account),
-                            result.jsonArray
-                        )
+                    val parser = TootParser(this@runApiTask, account)
+                    val list = buildSet {
+                        arrayOf(
+                            "/api/v1/featured_tags",
+                            "/api/v1/followed_tags",
+                        ).forEach { path ->
+                            client.request(path)?.also { result ->
+                                addAll(TootTag.parseList(parser, result.jsonArray))
+                            }
+                        }
+                    }
+                    if (list.isNotEmpty()) {
                         featuredTagCache[account.acct.ascii] =
-                            FeaturedTagCache(list, SystemClock.elapsedRealtime())
+                            FeaturedTagCache(
+                                list.sortedBy { it.name },
+                                SystemClock.elapsedRealtime()
+                            )
                     }
                 }
+                TootApiResult()
             }
             if (isFinishing || isDestroyed) return@launchMain
             updateFeaturedTags()
diff --git a/app/src/main/java/jp/juggler/subwaytooter/api/entity/TootTag.kt b/app/src/main/java/jp/juggler/subwaytooter/api/entity/TootTag.kt
index fd33b2c3..e97966a4 100644
--- a/app/src/main/java/jp/juggler/subwaytooter/api/entity/TootTag.kt
+++ b/app/src/main/java/jp/juggler/subwaytooter/api/entity/TootTag.kt
@@ -3,8 +3,12 @@ package jp.juggler.subwaytooter.api.entity
 import android.net.Uri
 import jp.juggler.subwaytooter.api.TootParser
 import jp.juggler.subwaytooter.mfm.MisskeyMarkdownDecoder
-import jp.juggler.util.*
-import jp.juggler.util.data.*
+import jp.juggler.util.data.JsonArray
+import jp.juggler.util.data.JsonObject
+import jp.juggler.util.data.asciiPattern
+import jp.juggler.util.data.decodePercent
+import jp.juggler.util.data.groupEx
+import jp.juggler.util.data.notEmpty
 import jp.juggler.util.log.LogCategory
 import java.util.regex.Pattern
 
@@ -13,6 +17,8 @@ open class TootTag constructor(
     // The hashtag, not including the preceding #
     val name: String,
 
+    val nameLower: String = name.lowercase(),
+
     var type: TagType = TagType.Tag,
 
     // (Mastodon 3.6) タグをフォロー中なら真
@@ -28,7 +34,7 @@ open class TootTag constructor(
     // Mastodon /api/v2/search provides history.
     val history: ArrayList<History>? = null,
 
-    ) : TimelineItem() {
+    ) : TimelineItem(), Comparable<TootTag> {
 
     enum class TagType {
         Tag,
@@ -79,6 +85,7 @@ open class TootTag constructor(
                         url = "https://${parser.apiHost}/tags/${Uri.encode(name)}",
                     )
                 }
+
                 src.string("type") == "link" -> {
                     TootTag(
                         type = TagType.Link,
@@ -88,6 +95,7 @@ open class TootTag constructor(
                         history = parseHistories(src.jsonArray("history"))
                     )
                 }
+
                 else -> {
                     // /api/v1/accounts/$id/featured_tags の場合、
                     // name部分は先頭に#がついているかもしれない。必要なら除去するべき。
@@ -241,4 +249,13 @@ open class TootTag constructor(
             return null
         }
     }
+
+    override fun compareTo(other: TootTag) =
+        name.compareTo(other.nameLower)
+
+    override fun equals(other: Any?) =
+        (other is TootTag) && nameLower.equals(other.nameLower)
+
+    override fun hashCode() =
+        nameLower.hashCode()
 }