diff --git a/src/core/data.rs b/src/core/data.rs
index bf43969..44fbd17 100644
--- a/src/core/data.rs
+++ b/src/core/data.rs
@@ -1,3 +1,4 @@
+use std::borrow::Cow;
 use std::collections::HashMap;
 
 use crate::core::models::{UnifiedData, UnifiedGroupData, UnifiedMonitorData};
@@ -6,32 +7,38 @@ use crate::data::{
     status_page::model::StatusPageResponse,
 };
 
-pub fn unify_data(status_page: &StatusPageResponse, heartbeat: &HeartbeatResponse) -> UnifiedData {
+pub fn unify_data<'a>(status_page: &'a StatusPageResponse, heartbeat: &'a HeartbeatResponse) -> UnifiedData<'a> {
     let mut groups = Vec::with_capacity(status_page.public_group_list.len());
-    let heartbeat_map: HashMap<u64, Vec<HeartbeatEntry>> = heartbeat
+    let heartbeat_map: HashMap<u64, &'a [HeartbeatEntry]> = heartbeat
         .monitors
         .iter()
-        .map(|m| (m.monitor_id, m.heartbeats.clone()))
+        .map(|m| (m.monitor_id, &m.heartbeats[..]))
         .collect();
 
-    let uptime_map: HashMap<(u64, u32), UptimeData> = heartbeat
+    let uptime_map: HashMap<(u64, u32), &'a UptimeData> = heartbeat
         .uptime_data
         .iter()
-        .map(|u| ((u.monitor_id, u.period_hours), u.clone()))
+        .map(|u| ((u.monitor_id, u.period_hours), u))
         .collect();
 
     for group in &status_page.public_group_list {
         let mut monitors = Vec::with_capacity(group.monitor_list.len());
         for monitor_info in &group.monitor_list {
-            let uptime_data = uptime_map.get(&(monitor_info.id, 24)).cloned();
+            let uptime_data = uptime_map.get(&(monitor_info.id, 24)).copied();
             let heartbeats = heartbeat_map
                 .get(&monitor_info.id)
-                .cloned()
-                .unwrap_or_default();
+                .copied()
+                .unwrap_or(&[]);
+
+            let name: Cow<'a, str> = if monitor_info.name.len() > 100 {
+                Cow::Owned(monitor_info.name.clone())
+            } else {
+                Cow::Borrowed(monitor_info.name.as_str())
+            };
 
             monitors.push(UnifiedMonitorData {
                 id: monitor_info.id,
-                name: monitor_info.name.clone(),
+                name,
                 heartbeats,
                 uptime_data,
             });
@@ -40,7 +47,7 @@ pub fn unify_data(status_page: &StatusPageResponse, heartbeat: &HeartbeatRespons
         monitors.sort_by_key(|m| m.id);
 
         groups.push(UnifiedGroupData {
-            group_info: group.clone(),
+            group_info: group,
             monitors,
         });
     }
@@ -48,8 +55,8 @@ pub fn unify_data(status_page: &StatusPageResponse, heartbeat: &HeartbeatRespons
     groups.sort_by_key(|g| g.group_info.weight);
 
     UnifiedData {
-        title: status_page.config.title.clone(),
-        description: status_page.config.description.clone(),
+        title: Cow::Borrowed(&status_page.config.title),
+        description: status_page.config.description.as_deref().map(Cow::Borrowed),
         groups,
         auto_refresh_interval: status_page.config.auto_refresh_interval,
     }
diff --git a/src/core/models.rs b/src/core/models.rs
index d3851a4..441f2dc 100644
--- a/src/core/models.rs
+++ b/src/core/models.rs
@@ -1,24 +1,26 @@
+use std::borrow::Cow;
+
 use crate::data::heartbeat::model::{HeartbeatEntry, UptimeData};
 use crate::data::status_page::model::{StatusPageGroup};
 
 #[derive(Debug, Clone)]
-pub struct UnifiedMonitorData {
+pub struct UnifiedMonitorData<'a> {
     pub id: u64,
-    pub name: String,
-    pub heartbeats: Vec<HeartbeatEntry>,
-    pub uptime_data: Option<UptimeData>,
+    pub name: Cow<'a, str>,
+    pub heartbeats: &'a [HeartbeatEntry],
+    pub uptime_data: Option<&'a UptimeData>,
 }
 
 #[derive(Debug, Clone)]
-pub struct UnifiedData {
-    pub title: String,
-    pub description: Option<String>,
+pub struct UnifiedData<'a> {
+    pub title: Cow<'a, str>,
+    pub description: Option<Cow<'a, str>>,
     pub auto_refresh_interval: u32,
-    pub groups: Vec<UnifiedGroupData>,
+    pub groups: Vec<UnifiedGroupData<'a>>,
 }
 
 #[derive(Debug, Clone)]
-pub struct UnifiedGroupData {
-    pub group_info: StatusPageGroup,
-    pub monitors: Vec<UnifiedMonitorData>,
+pub struct UnifiedGroupData<'a> {
+    pub group_info: &'a StatusPageGroup,
+    pub monitors: Vec<UnifiedMonitorData<'a>>,
 }
diff --git a/src/ui/components/monitor_list.rs b/src/ui/components/monitor_list.rs
index 34ee859..f178a1c 100644
--- a/src/ui/components/monitor_list.rs
+++ b/src/ui/components/monitor_list.rs
@@ -75,7 +75,7 @@ fn render_group(frame: &mut Frame, area: Rect, group: &GroupViewState, is_first_
         .constraints([Constraint::Length(1), Constraint::Min(1)])
         .split(area);
 
-    if chunks[0].height <= 0 || chunks[1].height <= 0 || group.monitors.is_empty() {
+    if chunks[0].height == 0 || chunks[1].height == 0 || group.monitors.is_empty() {
         return;
     }
 
diff --git a/src/ui/dashboard/model.rs b/src/ui/dashboard/model.rs
index 6613dc0..fc4cd34 100644
--- a/src/ui/dashboard/model.rs
+++ b/src/ui/dashboard/model.rs
@@ -70,8 +70,8 @@ impl DashboardViewState {
             .sum();
 
         Self {
-            title: data.title,
-            descriptions: data.description,
+            title: data.title.into_owned(),
+            descriptions: data.description.map(|d| d.into_owned()),
             groups,
             is_loading: false,
             error_message: None,
@@ -140,8 +140,13 @@ fn add_monitor_view_state(group: UnifiedGroupData) -> Vec<MonitorViewState> {
                 .map(|u| u.get_perc_formated())
                 .unwrap_or_else(|| t("unknown").to_string());
 
+            let name: Cow<'static, str> = match monitor.name {
+                Cow::Borrowed(borrowed) => Cow::Owned(borrowed.to_string()),
+                Cow::Owned(owned) => Cow::Owned(owned)
+            };
+
             MonitorViewState {
-                name: Cow::Owned(monitor.name),
+                name,
                 status,
                 response_time,
                 uptime_24h,