diff --git a/models/activities/action.go b/models/activities/action.go
index c16c49c0ac..1993364fb6 100644
--- a/models/activities/action.go
+++ b/models/activities/action.go
@@ -442,6 +442,7 @@ type GetFeedsOptions struct {
 	OnlyPerformedBy bool                   // only actions performed by requested user
 	IncludeDeleted  bool                   // include deleted actions
 	Date            string                 // the day we want activity for: YYYY-MM-DD
+	DontCount       bool                   // do counting in GetFeeds
 }
 
 // ActivityReadable return whether doer can read activities of user
diff --git a/models/activities/action_list.go b/models/activities/action_list.go
index f7ea48f03e..6789ebcb99 100644
--- a/models/activities/action_list.go
+++ b/models/activities/action_list.go
@@ -243,7 +243,11 @@ func GetFeeds(ctx context.Context, opts GetFeedsOptions) (ActionList, int64, err
 		sess := db.GetEngine(ctx).Where(cond)
 		sess = db.SetSessionPagination(sess, &opts)
 
-		count, err = sess.Desc("`action`.created_unix").FindAndCount(&actions)
+		if opts.DontCount {
+			err = sess.Desc("`action`.created_unix").Find(&actions)
+		} else {
+			count, err = sess.Desc("`action`.created_unix").FindAndCount(&actions)
+		}
 		if err != nil {
 			return nil, 0, fmt.Errorf("FindAndCount: %w", err)
 		}
@@ -257,11 +261,13 @@ func GetFeeds(ctx context.Context, opts GetFeedsOptions) (ActionList, int64, err
 			return nil, 0, fmt.Errorf("Find(actionsIDs): %w", err)
 		}
 
-		count, err = db.GetEngine(ctx).Where(cond).
-			Table("action").
-			Cols("`action`.id").Count()
-		if err != nil {
-			return nil, 0, fmt.Errorf("Count: %w", err)
+		if !opts.DontCount {
+			count, err = db.GetEngine(ctx).Where(cond).
+				Table("action").
+				Cols("`action`.id").Count()
+			if err != nil {
+				return nil, 0, fmt.Errorf("Count: %w", err)
+			}
 		}
 
 		if err := db.GetEngine(ctx).In("`action`.id", actionIDs).Desc("`action`.created_unix").Find(&actions); err != nil {
@@ -275,3 +281,9 @@ func GetFeeds(ctx context.Context, opts GetFeedsOptions) (ActionList, int64, err
 
 	return actions, count, nil
 }
+
+func CountUserFeeds(ctx context.Context, userID int64) (int64, error) {
+	return db.GetEngine(ctx).Where("user_id = ?", userID).
+		And("is_deleted = ?", false).
+		Count(&Action{})
+}
diff --git a/models/activities/user_heatmap.go b/models/activities/user_heatmap.go
index 1f8f0f590e..5326986d62 100644
--- a/models/activities/user_heatmap.go
+++ b/models/activities/user_heatmap.go
@@ -19,17 +19,7 @@ type UserHeatmapData struct {
 	Contributions int64              `json:"contributions"`
 }
 
-// GetUserHeatmapDataByUser returns an array of UserHeatmapData
-func GetUserHeatmapDataByUser(ctx context.Context, user, doer *user_model.User) ([]*UserHeatmapData, error) {
-	return getUserHeatmapData(ctx, user, nil, doer)
-}
-
-// GetUserHeatmapDataByUserTeam returns an array of UserHeatmapData
-func GetUserHeatmapDataByUserTeam(ctx context.Context, user *user_model.User, team *organization.Team, doer *user_model.User) ([]*UserHeatmapData, error) {
-	return getUserHeatmapData(ctx, user, team, doer)
-}
-
-func getUserHeatmapData(ctx context.Context, user *user_model.User, team *organization.Team, doer *user_model.User) ([]*UserHeatmapData, error) {
+func GetUserHeatmapData(ctx context.Context, user *user_model.User, team *organization.Team, doer *user_model.User) ([]*UserHeatmapData, error) {
 	hdata := make([]*UserHeatmapData, 0)
 
 	if !ActivityReadable(user, doer) {
diff --git a/routers/api/v1/user/user.go b/routers/api/v1/user/user.go
index 757a548518..9e6bf769cd 100644
--- a/routers/api/v1/user/user.go
+++ b/routers/api/v1/user/user.go
@@ -160,7 +160,7 @@ func GetUserHeatmapData(ctx *context.APIContext) {
 	//   "404":
 	//     "$ref": "#/responses/notFound"
 
-	heatmap, err := activities_model.GetUserHeatmapDataByUser(ctx, ctx.ContextUser, ctx.Doer)
+	heatmap, err := feed_service.GetUserHeatmapDataByUser(ctx, ctx.ContextUser, ctx.Doer)
 	if err != nil {
 		ctx.APIErrorInternal(err)
 		return
diff --git a/routers/web/user/home.go b/routers/web/user/home.go
index dc78950cf2..dc36c70b85 100644
--- a/routers/web/user/home.go
+++ b/routers/web/user/home.go
@@ -109,7 +109,7 @@ func Dashboard(ctx *context.Context) {
 	}
 
 	if setting.Service.EnableUserHeatmap {
-		data, err := activities_model.GetUserHeatmapDataByUserTeam(ctx, ctxUser, ctx.Org.Team, ctx.Doer)
+		data, err := feed_service.GetUserHeatmapDataByUserTeam(ctx, ctxUser, ctx.Org.Team, ctx.Doer)
 		if err != nil {
 			ctx.ServerError("GetUserHeatmapDataByUserTeam", err)
 			return
diff --git a/routers/web/user/profile.go b/routers/web/user/profile.go
index 39f066a53c..b4eed17547 100644
--- a/routers/web/user/profile.go
+++ b/routers/web/user/profile.go
@@ -65,7 +65,7 @@ func userProfile(ctx *context.Context) {
 
 	// prepare heatmap data
 	if setting.Service.EnableUserHeatmap {
-		data, err := activities_model.GetUserHeatmapDataByUser(ctx, ctx.ContextUser, ctx.Doer)
+		data, err := feed_service.GetUserHeatmapDataByUser(ctx, ctx.ContextUser, ctx.Doer)
 		if err != nil {
 			ctx.ServerError("GetUserHeatmapDataByUser", err)
 			return
diff --git a/services/feed/feed.go b/services/feed/feed.go
index a1c327fb51..61dac3f33a 100644
--- a/services/feed/feed.go
+++ b/services/feed/feed.go
@@ -13,12 +13,27 @@ import (
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unit"
 	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/cache"
 	"code.gitea.io/gitea/modules/setting"
 )
 
+func userFeedCacheKey(userID int64) string {
+	return fmt.Sprintf("user_feed_%d", userID)
+}
+
 // GetFeeds returns actions according to the provided options
 func GetFeeds(ctx context.Context, opts activities_model.GetFeedsOptions) (activities_model.ActionList, int64, error) {
-	return activities_model.GetFeeds(ctx, opts)
+	opts.DontCount = opts.Actor != nil && opts.RequestedUser != nil && (opts.Actor.IsAdmin || opts.Actor.ID == opts.RequestedUser.ID)
+	results, cnt, err := activities_model.GetFeeds(ctx, opts)
+	if err != nil {
+		return nil, 0, err
+	}
+	if opts.DontCount {
+		cnt, err = cache.GetInt64(userFeedCacheKey(opts.Actor.ID), func() (int64, error) {
+			return activities_model.CountUserFeeds(ctx, opts.Actor.ID)
+		})
+	}
+	return results, cnt, err
 }
 
 // notifyWatchers creates batch of actions for every watcher.
@@ -68,6 +83,13 @@ func notifyWatchers(ctx context.Context, act *activities_model.Action, watchers
 		if err := db.Insert(ctx, act); err != nil {
 			return fmt.Errorf("insert new action: %w", err)
 		}
+
+		total, err := activities_model.CountUserFeeds(ctx, act.UserID)
+		if err != nil {
+			return fmt.Errorf("count user feeds: %w", err)
+		}
+
+		cache.GetCache().Put(userFeedCacheKey(act.UserID), fmt.Sprintf("%d", total), setting.CacheService.TTLSeconds())
 	}
 
 	return nil
diff --git a/services/feed/heatmap.go b/services/feed/heatmap.go
new file mode 100644
index 0000000000..68c263d9f2
--- /dev/null
+++ b/services/feed/heatmap.go
@@ -0,0 +1,22 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package feed
+
+import (
+	"context"
+
+	activities_model "code.gitea.io/gitea/models/activities"
+	"code.gitea.io/gitea/models/organization"
+	user_model "code.gitea.io/gitea/models/user"
+)
+
+// GetUserHeatmapDataByUser returns an array of UserHeatmapData
+func GetUserHeatmapDataByUser(ctx context.Context, user, doer *user_model.User) ([]*activities_model.UserHeatmapData, error) {
+	return activities_model.GetUserHeatmapData(ctx, user, nil, doer)
+}
+
+// GetUserHeatmapDataByUserTeam returns an array of UserHeatmapData
+func GetUserHeatmapDataByUserTeam(ctx context.Context, user *user_model.User, team *organization.Team, doer *user_model.User) ([]*activities_model.UserHeatmapData, error) {
+	return activities_model.GetUserHeatmapData(ctx, user, team, doer)
+}