diff --git a/dashboard/components/AdvancedLineChart.vue b/dashboard/components/AdvancedLineChart.vue
index 00c9c8d..6f50a19 100644
--- a/dashboard/components/AdvancedLineChart.vue
+++ b/dashboard/components/AdvancedLineChart.vue
@@ -80,6 +80,9 @@ const { lineChartProps, lineChartRef } = useLineChart({ chartData: chartData, op
 
 
 onMounted(async () => {
+
+    console.log('MOUNTED')
+
     const c = document.createElement('canvas');
     const ctx = c.getContext("2d");
     let gradient: any = `${props.color}22`;
@@ -106,5 +109,5 @@ onMounted(async () => {
 
 
 <template>
-    <LineChart ref="lineChartRef" v-bind="lineChartProps"> </LineChart>
+        <LineChart ref="lineChartRef" v-bind="lineChartProps"> </LineChart>
 </template>
diff --git a/dashboard/components/dashboard/SessionsLineChart.vue b/dashboard/components/dashboard/SessionsLineChart.vue
index 3ce23f3..59dacaf 100644
--- a/dashboard/components/dashboard/SessionsLineChart.vue
+++ b/dashboard/components/dashboard/SessionsLineChart.vue
@@ -1,46 +1,43 @@
 <script lang="ts" setup>
 import { onMounted } from 'vue';
-
 import DateService, { type Slice } from '@services/DateService';
 
 const data = ref<number[]>([]);
 const labels = ref<string[]>([]);
-const ready = ref<boolean>(false);
-
 const props = defineProps<{ slice: Slice }>();
 
-const { snapshot } = useSnapshot();
+const slice = computed(() => props.slice);
 
-const snapshotFrom = computed(() => {
-    return new Date(snapshot.value?.from || '0').toISOString();
-});
-
-const snapshotTo = computed(() => {
-    return new Date(snapshot.value?.to || Date.now()).toISOString();
-});
-
-async function loadData() {
-    ready.value = false;
-    const response = await useTimeline('sessions', props.slice,
-        snapshotFrom.value.toString(),
-        snapshotTo.value.toString()
-    );
-    if (!response) return;
-    data.value = response.map(e => e.count);
-    labels.value = response.map(e => DateService.getChartLabelFromISO(e._id, navigator.language, props.slice));
-    ready.value = true;
-}
+const res = useTimeline('sessions', slice);
 
 onMounted(async () => {
-    await loadData();
-    watch(props, async () => { await loadData(); });
-    watch(snapshot, async () => { await loadData(); });
+
+    res.onResponse(resData => {
+        if (!resData.value) return;
+        data.value = resData.value.map(e => e.count);
+        labels.value = resData.value.map(e => DateService.getChartLabelFromISO(e._id, navigator.language, props.slice));
+    });
+
+    await res.refresh();
+
+    watch(props, () => res.refresh());
 })
 
+
+const chartVisible = computed(() => {
+    if (res.pending.value) return false;
+    if (!res.data.value) return false;
+    return true;
+})
+
+
 </script>
 
 <template>
     <div>
-        <AdvancedLineChart v-if="ready" :data="data" :labels="labels" color="#f56523"></AdvancedLineChart>
+        <div v-if="!chartVisible" class="flex justify-center py-40">
+            <i class="fas fa-spinner text-[2rem] text-accent animate-[spin_1s_linear_infinite] duration-500"></i>
+        </div>
+        <AdvancedLineChart v-if="chartVisible" :data="data" :labels="labels" color="#f56523"></AdvancedLineChart>
     </div>
 </template>
\ No newline at end of file
diff --git a/dashboard/components/dashboard/TopCards.vue b/dashboard/components/dashboard/TopCards.vue
index ea2bbe9..417cdb9 100644
--- a/dashboard/components/dashboard/TopCards.vue
+++ b/dashboard/components/dashboard/TopCards.vue
@@ -1,6 +1,7 @@
 <script lang="ts" setup>
 
 import DateService from '@services/DateService';
+import type { Slice } from '@services/DateService';
 
 const { data: metricsInfo } = useMetricsData();
 
@@ -75,31 +76,41 @@ const avgSessionDuration = computed(() => {
     return `${hours > 0 ? hours + 'h ' : ''}${minutes}m ${seconds.toFixed()}s`
 });
 
+
+const chartSlice = computed(() => {
+    const snapshotSizeMs = new Date(snapshot.value.to).getTime() - new Date(snapshot.value.from).getTime();
+    if (snapshotSizeMs < 1000 * 60 * 60 * 24 * 6) return 'hour' as Slice;
+    if (snapshotSizeMs < 1000 * 60 * 60 * 24 * 30) return 'day' as Slice;
+    if (snapshotSizeMs < 1000 * 60 * 60 * 24 * 90) return 'day' as Slice;
+    return 'month' as Slice;
+});
+
 async function loadData(timelineEndpointName: string, target: Data) {
 
     target.ready = false;
 
-    const response = await useTimeline(timelineEndpointName as any, 'day',
-        snapshot.value?.from.toString() || "0",
-        snapshot.value?.to.toString() || Date.now().toString()
-    );
+    const response = useTimeline(timelineEndpointName as any, chartSlice);
 
-    console.log(timelineEndpointName,response);
+    response.onResponse(data => {
 
-    if (!response) return;
+        if (!data.value) return;
 
-    target.data = response.map(e => e.count);
-    target.labels = response.map(e => DateService.getChartLabelFromISO(e._id, navigator.language, 'day'));
+        target.data = data.value.map(e => e.count);
+        target.labels = data.value.map(e => DateService.getChartLabelFromISO(e._id, navigator.language, chartSlice.value));
 
-    const pool = [...response.map(e => e.count)];
-    pool.pop();
-    const avg = pool.reduce((a, e) => a + e, 0) / pool.length;
+        const pool = [...data.value.map(e => e.count)];
+        pool.pop();
+        const avg = pool.reduce((a, e) => a + e, 0) / pool.length;
 
-    const diffPercent: number = (100 / avg * (response.at(-1)?.count || 0)) - 100;
+        const diffPercent: number = (100 / avg * (data.value.at(-1)?.count || 0)) - 100;
 
-    target.trend = Math.max(Math.min(diffPercent, 99), -99);
+        target.trend = Math.max(Math.min(diffPercent, 99), -99);
+
+        target.ready = true;
+    });
+
+    response.execute();
 
-    target.ready = true;
 }
 
 
@@ -113,6 +124,7 @@ async function loadAllData() {
     ])
 }
 
+
 onMounted(async () => {
 
     await loadAllData();
@@ -137,13 +149,15 @@ onMounted(async () => {
         </DashboardCountCard>
 
         <DashboardCountCard :ready="eventsData.ready" icon="far fa-flag" text="Total custom events"
-            :value="formatNumberK(eventsData.data.reduce((a, e) => a + e, 0))" :avg="formatNumberK(avgEventsDay) + '/day'"
-            :trend="eventsData.trend" :data="eventsData.data" :labels="eventsData.labels" color="#1e9b86">
+            :value="formatNumberK(eventsData.data.reduce((a, e) => a + e, 0))"
+            :avg="formatNumberK(avgEventsDay) + '/day'" :trend="eventsData.trend" :data="eventsData.data"
+            :labels="eventsData.labels" color="#1e9b86">
         </DashboardCountCard>
 
         <DashboardCountCard :ready="sessionsData.ready" icon="far fa-user" text="Unique visits sessions"
-            :value="formatNumberK(sessionsData.data.reduce((a, e) => a + e, 0))" :avg="formatNumberK(avgSessionsDay) + '/day'"
-            :trend="sessionsData.trend" :data="sessionsData.data" :labels="sessionsData.labels" color="#4abde8">
+            :value="formatNumberK(sessionsData.data.reduce((a, e) => a + e, 0))"
+            :avg="formatNumberK(avgSessionsDay) + '/day'" :trend="sessionsData.trend" :data="sessionsData.data"
+            :labels="sessionsData.labels" color="#4abde8">
         </DashboardCountCard>
 
         <DashboardCountCard :ready="sessionsDurationData.ready" icon="far fa-timer" text="Avg session time"
diff --git a/dashboard/components/dashboard/VisitsLineChart.vue b/dashboard/components/dashboard/VisitsLineChart.vue
index b8ecf2d..67ac53b 100644
--- a/dashboard/components/dashboard/VisitsLineChart.vue
+++ b/dashboard/components/dashboard/VisitsLineChart.vue
@@ -4,43 +4,41 @@ import DateService, { type Slice } from '@services/DateService';
 
 const data = ref<number[]>([]);
 const labels = ref<string[]>([]);
-const ready = ref<boolean>(false);
-
 const props = defineProps<{ slice: Slice }>();
 
-const { snapshot } = useSnapshot();
+const slice = computed(() => props.slice);
 
-const snapshotFrom = computed(() => {
-    return new Date(snapshot.value?.from || '0').toISOString();
-});
+const res = useTimeline('visits', slice);
 
-const snapshotTo = computed(() => {
-    return new Date(snapshot.value?.to || Date.now()).toISOString();
-});
-
-async function loadData() {
-    ready.value = false;
-    const response = await useTimeline('visits', props.slice,
-        snapshotFrom.value.toString(),
-        snapshotTo.value.toString()
-    );
-
-    if (!response) return;
-    data.value = response.map(e => e.count);
-    labels.value = response.map(e => DateService.getChartLabelFromISO(e._id, navigator.language, props.slice));
-    ready.value = true;
-}
 
 onMounted(async () => {
-    await loadData();
-    watch(props, async () => { await loadData(); });
-    watch(snapshot, async () => { await loadData(); });
+
+    res.onResponse(resData => {
+        if (!resData.value) return;
+        data.value = resData.value.map(e => e.count);
+        labels.value = resData.value.map(e => DateService.getChartLabelFromISO(e._id, navigator.language, props.slice));
+    });
+
+    await res.refresh();
+
+    watch(props, () => res.refresh());
+})
+
+
+const chartVisible = computed(() => {
+    if (res.pending.value) return false;
+    if (!res.data.value) return false;
+    return true;
 })
 
 </script>
 
 <template>
     <div>
-        <AdvancedLineChart v-if="ready" :data="data" :labels="labels" color="#5655d7"></AdvancedLineChart>
+        <div v-if="!chartVisible" class="flex justify-center py-40">
+            <i class="fas fa-spinner text-[2rem] text-accent animate-[spin_1s_linear_infinite] duration-500"></i>
+        </div>
+        <AdvancedLineChart v-if="chartVisible" :data="data" :labels="labels" color="#5655d7">
+        </AdvancedLineChart>
     </div>
 </template>
\ No newline at end of file
diff --git a/dashboard/composables/useCustomFetch.ts b/dashboard/composables/useCustomFetch.ts
index 8fdd53f..63bf471 100644
--- a/dashboard/composables/useCustomFetch.ts
+++ b/dashboard/composables/useCustomFetch.ts
@@ -6,7 +6,9 @@ type NitroFetchRequest = Exclude<keyof InternalApi, `/_${string}` | `/api/_${str
 
 export type CustomFetchOptions = {
     watchProps?: WatchSource[],
-    lazy?: boolean
+    lazy?: boolean,
+    method?: string,
+    getBody?: () => Record<string, any>
 }
 
 type OnResponseCallback<TData> = (data: Ref<TData | undefined>) => any
@@ -27,7 +29,13 @@ export function useCustomFetch<T>(url: NitroFetchRequest, getHeaders: () => Reco
         pending.value = true;
         error.value = undefined;
         try {
-            data.value = await $fetch<T>(url, { headers: getHeaders() });
+
+            data.value = await $fetch<T>(url, {
+                headers: getHeaders(),
+                method: (options?.method || 'GET') as any,
+                body: options?.getBody ? JSON.stringify(options.getBody()) : undefined
+            });
+
             onResponseCallback(data);
         } catch (err) {
             error.value = err as Error;
diff --git a/dashboard/composables/useDataService.ts b/dashboard/composables/useDataService.ts
index e7678ac..8c6e1a2 100644
--- a/dashboard/composables/useDataService.ts
+++ b/dashboard/composables/useDataService.ts
@@ -19,6 +19,26 @@ export function useMetricsData() {
     return metricsInfo;
 }
 
+
+
+
+const { safeSnapshotDates, snapshot } = useSnapshot()
+const activeProject = useActiveProject();
+
+const createFromToHeaders = (headers: Record<string, string> = {}) => ({
+    'x-from': safeSnapshotDates.value.from,
+    'x-to': safeSnapshotDates.value.to,
+    ...headers
+});
+
+const createFromToBody = (body: Record<string, any> = {}) => ({
+    from: safeSnapshotDates.value.from,
+    to: safeSnapshotDates.value.to,
+    ...body
+});
+
+
+
 export function useFirstInteractionData() {
     const activeProject = useActiveProject();
     const metricsInfo = useFetch<boolean>(`/api/metrics/${activeProject.value?._id}/first_interaction`, signHeaders());
@@ -26,33 +46,25 @@ export function useFirstInteractionData() {
 }
 
 
-export async function useTimelineAdvanced(endpoint: string, slice: Slice, fromDate?: string, toDate?: string, customBody: Object = {}) {
-
-    const { from, to } = DateService.prepareDateRange(
-        fromDate || DateService.getDefaultRange(slice).from,
-        toDate || DateService.getDefaultRange(slice).to,
-        slice
-    );
-
-    const activeProject = useActiveProject();
-    const response = await $fetch(
-        `/api/metrics/${activeProject.value?._id}/timeline/${endpoint}`, {
+export function useTimelineAdvanced(endpoint: string, slice: Ref<Slice>, customBody: Object = {}) {
+    const response = useCustomFetch<{ _id: string, count: number }[]>(
+        `/api/metrics/${activeProject.value?._id}/timeline/${endpoint}`,
+        () => signHeaders({ 'Content-Type': 'application/json' }).headers, {
         method: 'POST',
-        ...signHeaders({ 'Content-Type': 'application/json' }),
-        body: JSON.stringify({ slice, from, to, ...customBody })
+        getBody: () => createFromToBody({ slice: slice.value, ...customBody }),
+        lazy: true,
+        watchProps: [snapshot, slice]
     });
-
-    return response as { _id: string, count: number }[];
-
+    return response;
 }
 
 
-export async function useTimeline(endpoint: 'visits' | 'sessions' | 'referrers', slice: Slice, fromDate?: string, toDate?: string) {
-    return await useTimelineAdvanced(endpoint, slice, fromDate, toDate, {});
+export function useTimeline(endpoint: 'visits' | 'sessions' | 'referrers', slice: Ref<Slice>) {
+    return useTimelineAdvanced(endpoint, slice);
 }
 
-export async function useReferrersTimeline(referrer: string, slice: Slice, fromDate?: string, toDate?: string) {
-    return await useTimelineAdvanced('referrers', slice, fromDate, toDate, { referrer });
+export async function useReferrersTimeline(referrer: string, slice: Ref<Slice>) {
+    return await useTimelineAdvanced('referrers', slice, { referrer });
 }
 
 
@@ -93,21 +105,12 @@ export function usePagesData(website: string, limit: number = 10) {
 
 }
 
-const { safeSnapshotDates, snapshot } = useSnapshot()
-const activeProject = useActiveProject();
-
-const getFromToHeaders = (headers: Record<string, string> = {}) => ({
-    'x-from': safeSnapshotDates.value.from,
-    'x-to': safeSnapshotDates.value.to,
-    ...headers
-});
-
 
 
 
 export function useWebsitesData(limit: number = 10) {
     const res = useCustomFetch<ReferrersAggregated[]>(`/api/metrics/${activeProject.value?._id}/data/websites`,
-        () => signHeaders(getFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
+        () => signHeaders(createFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
         { lazy: false, watchProps: [snapshot] }
     );
     return res;
@@ -115,7 +118,7 @@ export function useWebsitesData(limit: number = 10) {
 
 export function useEventsData(limit: number = 10) {
     const res = useCustomFetch<CustomEventsAggregated[]>(`/api/metrics/${activeProject.value?._id}/data/events`,
-        () => signHeaders(getFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
+        () => signHeaders(createFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
         { lazy: false, watchProps: [snapshot] }
     );
     return res;
@@ -123,7 +126,7 @@ export function useEventsData(limit: number = 10) {
 
 export function useReferrersData(limit: number = 10) {
     const res = useCustomFetch<ReferrersAggregated[]>(`/api/metrics/${activeProject.value?._id}/data/referrers`,
-        () => signHeaders(getFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
+        () => signHeaders(createFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
         { lazy: false, watchProps: [snapshot] }
     );
     return res;
@@ -131,7 +134,7 @@ export function useReferrersData(limit: number = 10) {
 
 export function useBrowsersData(limit: number = 10) {
     const res = useCustomFetch<BrowsersAggregated[]>(`/api/metrics/${activeProject.value?._id}/data/browsers`,
-        () => signHeaders(getFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
+        () => signHeaders(createFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
         { lazy: false, watchProps: [snapshot] }
     );
     return res;
@@ -139,7 +142,7 @@ export function useBrowsersData(limit: number = 10) {
 
 export function useOssData(limit: number = 10) {
     const res = useCustomFetch<OssAggregated[]>(`/api/metrics/${activeProject.value?._id}/data/oss`,
-        () => signHeaders(getFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
+        () => signHeaders(createFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
         { lazy: false, watchProps: [snapshot] }
     );
     return res;
@@ -147,7 +150,7 @@ export function useOssData(limit: number = 10) {
 
 export function useGeolocationData(limit: number = 10) {
     const res = useCustomFetch<CountriesAggregated[]>(`/api/metrics/${activeProject.value?._id}/data/countries`,
-        () => signHeaders(getFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
+        () => signHeaders(createFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
         { lazy: false, watchProps: [snapshot] }
     );
     return res;
@@ -155,7 +158,7 @@ export function useGeolocationData(limit: number = 10) {
 
 export function useDevicesData(limit: number = 10) {
     const res = useCustomFetch<DevicesAggregated[]>(`/api/metrics/${activeProject.value?._id}/data/devices`,
-        () => signHeaders(getFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
+        () => signHeaders(createFromToHeaders({ 'x-query-limit': limit.toString() })).headers,
         { lazy: false, watchProps: [snapshot] }
     );
     return res;
diff --git a/dashboard/pages/index.vue b/dashboard/pages/index.vue
index 1a5fb8d..71073c2 100644
--- a/dashboard/pages/index.vue
+++ b/dashboard/pages/index.vue
@@ -119,7 +119,6 @@ const selectLabels = [
 
             </div>
 
-
             <div class="flex w-full justify-center mt-6 px-6">
                 <div class="flex w-full gap-6 flex-col xl:flex-row">
                     <div class="flex-1">