From 21e752972558e107db36385627fce0b7102a9406 Mon Sep 17 00:00:00 2001
From: ThatOneCalculator <kainoa@t1c.dev>
Date: Mon, 13 Feb 2023 19:40:31 -0800
Subject: [PATCH] feat: :sparkles: new admin panel data from Mk v13

---
 package.json                                  |   2 +-
 packages/client/package.json                  |   3 +-
 packages/client/src/components/MkHeatmap.vue  | 218 +++++++++++++
 .../client/src/components/MkInstanceStats.vue |  31 +-
 .../src/pages/admin/overview.active-users.vue | 167 ++++++++++
 .../src/pages/admin/overview.ap-requests.vue  | 287 ++++++++++++++++++
 .../src/pages/admin/overview.federation.vue   | 225 +++++++++-----
 .../src/pages/admin/overview.heatmap.vue      |  25 ++
 .../src/pages/admin/overview.instances.vue    |  50 +++
 .../src/pages/admin/overview.moderators.vue   |  55 ++++
 .../client/src/pages/admin/overview.pie.vue   |  49 +--
 .../src/pages/admin/overview.queue.chart.vue  | 140 +++++++++
 .../client/src/pages/admin/overview.queue.vue | 127 ++++++++
 .../client/src/pages/admin/overview.stats.vue | 173 +++++++++++
 .../client/src/pages/admin/overview.users.vue |  57 ++++
 packages/client/src/pages/admin/overview.vue  |  55 ++++
 packages/client/src/scripts/color.ts          |   7 +
 packages/client/src/scripts/init-chart.ts     |  58 ++++
 .../client/src/scripts/use-chart-tooltip.ts   |  16 +-
 pnpm-lock.yaml                                |  27 +-
 20 files changed, 1649 insertions(+), 123 deletions(-)
 create mode 100644 packages/client/src/components/MkHeatmap.vue
 create mode 100644 packages/client/src/pages/admin/overview.active-users.vue
 create mode 100644 packages/client/src/pages/admin/overview.ap-requests.vue
 create mode 100644 packages/client/src/pages/admin/overview.heatmap.vue
 create mode 100644 packages/client/src/pages/admin/overview.instances.vue
 create mode 100644 packages/client/src/pages/admin/overview.moderators.vue
 create mode 100644 packages/client/src/pages/admin/overview.queue.chart.vue
 create mode 100644 packages/client/src/pages/admin/overview.queue.vue
 create mode 100644 packages/client/src/pages/admin/overview.stats.vue
 create mode 100644 packages/client/src/pages/admin/overview.users.vue
 create mode 100644 packages/client/src/scripts/color.ts
 create mode 100644 packages/client/src/scripts/init-chart.ts

diff --git a/package.json b/package.json
index da1e886ac1..3da6e94d63 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "calckey",
-	"version": "13.2.0-dev7",
+	"version": "13.2.0-dev8",
 	"codename": "aqua",
 	"repository": {
 		"type": "git",
diff --git a/packages/client/package.json b/packages/client/package.json
index fb63b52a6f..4af4ff8f6f 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -7,7 +7,8 @@
 		"lint": "pnpm rome check \"src/**/*.{ts,vue}\""
 	},
 	"dependencies": {
-		"@khmyznikov/pwa-install": "^0.2.0"
+		"@khmyznikov/pwa-install": "^0.2.0",
+		"chartjs-chart-matrix": "^2.0.1"
 	},
 	"devDependencies": {
 		"@discordapp/twemoji": "14.0.2",
diff --git a/packages/client/src/components/MkHeatmap.vue b/packages/client/src/components/MkHeatmap.vue
new file mode 100644
index 0000000000..036a2eb49f
--- /dev/null
+++ b/packages/client/src/components/MkHeatmap.vue
@@ -0,0 +1,218 @@
+<template>
+	<div ref="rootEl">
+		<MkLoading v-if="fetching"/>
+		<div v-else>
+			<canvas ref="chartEl"></canvas>
+		</div>
+	</div>
+	</template>
+
+<script lang="ts" setup>
+import { markRaw, version as vueVersion, onMounted, onBeforeUnmount, nextTick, watch } from 'vue';
+import { Chart } from 'chart.js';
+import tinycolor from 'tinycolor2';
+import { MatrixController, MatrixElement } from 'chartjs-chart-matrix';
+import * as os from '@/os';
+import { defaultStore } from '@/store';
+import { useChartTooltip } from '@/scripts/use-chart-tooltip';
+import { chartVLine } from '@/scripts/chart-vline';
+import { alpha } from '@/scripts/color';
+import { initChart } from '@/scripts/init-chart';
+
+initChart();
+
+const props = defineProps<{
+	src: string;
+}>();
+
+const rootEl = $shallowRef<HTMLDivElement>(null);
+const chartEl = $shallowRef<HTMLCanvasElement>(null);
+const now = new Date();
+let chartInstance: Chart = null;
+let fetching = $ref(true);
+
+const { handler: externalTooltipHandler } = useChartTooltip({
+	position: 'middle',
+});
+
+async function renderChart() {
+	if (chartInstance) {
+		chartInstance.destroy();
+	}
+
+	const wide = rootEl.offsetWidth > 700;
+	const narrow = rootEl.offsetWidth < 400;
+
+	const weeks = wide ? 50 : narrow ? 10 : 25;
+	const chartLimit = 7 * weeks;
+
+	const getDate = (ago: number) => {
+		const y = now.getFullYear();
+		const m = now.getMonth();
+		const d = now.getDate();
+
+		return new Date(y, m, d - ago);
+	};
+
+	const format = (arr) => {
+		return arr.map((v, i) => {
+			const dt = getDate(i);
+			const iso = `${dt.getFullYear()}-${(dt.getMonth() + 1).toString().padStart(2, '0')}-${dt.getDate().toString().padStart(2, '0')}`;
+			return {
+				x: iso,
+				y: dt.getDay(),
+				d: iso,
+				v,
+			};
+		});
+	};
+
+	let values;
+
+	if (props.src === 'active-users') {
+		const raw = await os.api('charts/active-users', { limit: chartLimit, span: 'day' });
+		values = raw.readWrite;
+	} else if (props.src === 'notes') {
+		const raw = await os.api('charts/notes', { limit: chartLimit, span: 'day' });
+		values = raw.local.inc;
+	} else if (props.src === 'ap-requests-inbox-received') {
+		const raw = await os.api('charts/ap-request', { limit: chartLimit, span: 'day' });
+		values = raw.inboxReceived;
+	} else if (props.src === 'ap-requests-deliver-succeeded') {
+		const raw = await os.api('charts/ap-request', { limit: chartLimit, span: 'day' });
+		values = raw.deliverSucceeded;
+	} else if (props.src === 'ap-requests-deliver-failed') {
+		const raw = await os.api('charts/ap-request', { limit: chartLimit, span: 'day' });
+		values = raw.deliverFailed;
+	}
+
+	fetching = false;
+
+	await nextTick();
+
+	const color = defaultStore.state.darkMode ? '#b4e900' : '#86b300';
+
+	// 視覚上の分かりやすさのため上から最も大きい3つの値の平均を最大値とする
+	const max = values.slice().sort((a, b) => b - a).slice(0, 3).reduce((a, b) => a + b, 0) / 3;
+
+	const min = Math.max(0, Math.min(...values) - 1);
+
+	const marginEachCell = 4;
+
+	chartInstance = new Chart(chartEl, {
+		type: 'matrix',
+		data: {
+			datasets: [{
+				label: 'Read & Write',
+				data: format(values),
+				pointRadius: 0,
+				borderWidth: 0,
+				borderJoinStyle: 'round',
+				borderRadius: 3,
+				backgroundColor(c) {
+					const value = c.dataset.data[c.dataIndex].v;
+					let a = (value - min) / max;
+					if (value !== 0) { // 0でない限りは完全に不可視にはしない
+						a = Math.max(a, 0.05);
+					}
+					return alpha(color, a);
+				},
+				fill: true,
+				width(c) {
+					const a = c.chart.chartArea ?? {};
+					return (a.right - a.left) / weeks - marginEachCell;
+				},
+				height(c) {
+					const a = c.chart.chartArea ?? {};
+					return (a.bottom - a.top) / 7 - marginEachCell;
+				},
+			}],
+		},
+		options: {
+			aspectRatio: wide ? 6 : narrow ? 1.8 : 3.2,
+			layout: {
+				padding: {
+					left: 8,
+					right: 0,
+					top: 0,
+					bottom: 0,
+				},
+			},
+			scales: {
+				x: {
+					type: 'time',
+					offset: true,
+					position: 'bottom',
+					time: {
+						unit: 'week',
+						round: 'week',
+						isoWeekday: 0,
+						displayFormats: {
+							day: 'M/d',
+							month: 'Y/M',
+							week: 'M/d',
+						},
+					},
+					grid: {
+						display: false,
+					},
+					ticks: {
+						display: true,
+						maxRotation: 0,
+						autoSkipPadding: 8,
+					},
+				},
+				y: {
+					offset: true,
+					reverse: true,
+					position: 'right',
+					grid: {
+						display: false,
+					},
+					ticks: {
+						maxRotation: 0,
+						autoSkip: true,
+						padding: 1,
+						font: {
+							size: 9,
+						},
+						callback: (value, index, values) => ['', 'Mon', '', 'Wed', '', 'Fri', ''][value],
+					},
+				},
+			},
+			plugins: {
+				legend: {
+					display: false,
+				},
+				tooltip: {
+					enabled: false,
+					callbacks: {
+						title(context) {
+							const v = context[0].dataset.data[context[0].dataIndex];
+							return v.d;
+						},
+						label(context) {
+							const v = context.dataset.data[context.dataIndex];
+							return ['Active: ' + v.v];
+						},
+					},
+					//mode: 'index',
+					animation: {
+						duration: 0,
+					},
+					external: externalTooltipHandler,
+				},
+			},
+		},
+	});
+}
+
+watch(() => props.src, () => {
+	fetching = true;
+	renderChart();
+});
+
+onMounted(async () => {
+	renderChart();
+});
+</script>
diff --git a/packages/client/src/components/MkInstanceStats.vue b/packages/client/src/components/MkInstanceStats.vue
index 0437e05fad..2c287e4e91 100644
--- a/packages/client/src/components/MkInstanceStats.vue
+++ b/packages/client/src/components/MkInstanceStats.vue
@@ -32,6 +32,19 @@
 			<div class="chart">
 				<MkChart :src="chartSrc" :span="chartSpan" :limit="chartLimit" :detailed="detailed"></MkChart>
 			</div>
+			<div class="item">
+				<template #header>Active users heatmap</template>
+				<MkSelect v-model="heatmapSrc" style="margin: 0 0 12px 0;">
+					<option value="active-users">Active users</option>
+					<option value="notes">Notes</option>
+					<option value="ap-requests-inbox-received">AP Requests: inboxReceived</option>
+					<option value="ap-requests-deliver-succeeded">AP Requests: deliverSucceeded</option>
+					<option value="ap-requests-deliver-failed">AP Requests: deliverFailed</option>
+				</MkSelect>
+				<div class="_panel heatmap">
+					<MkHeatmap :src="heatmapSrc"/>
+				</div>
+			</div>
 		</div>
 	</div>
 	<div class="subpub">
@@ -69,6 +82,7 @@ import {
 } from 'chart.js';
 import MkSelect from '@/components/form/select.vue';
 import MkChart from '@/components/MkChart.vue';
+import MkHeatmap from '@/components/MkHeatmap.vue';
 import { useChartTooltip } from '@/scripts/use-chart-tooltip';
 import * as os from '@/os';
 import { i18n } from '@/i18n';
@@ -98,13 +112,18 @@ const props = withDefaults(defineProps<{
 	chartLimit: 90,
 });
 
-const chartSpan = $ref<'hour' | 'day'>('hour');
-const chartSrc = $ref('active-users');
+let chartSpan = $ref<'hour' | 'day'>('hour');
+let chartSrc = $ref('active-users');
+let heatmapSrc = $ref('active-users');
 let subDoughnutEl = $ref<HTMLCanvasElement>();
 let pubDoughnutEl = $ref<HTMLCanvasElement>();
 
-const { handler: externalTooltipHandler1 } = useChartTooltip();
-const { handler: externalTooltipHandler2 } = useChartTooltip();
+const { handler: externalTooltipHandler1 } = useChartTooltip({
+	position: 'middle',
+});
+const { handler: externalTooltipHandler2 } = useChartTooltip({
+	position: 'middle',
+});
 
 function createDoughnut(chartEl, tooltip, data) {
 	const chartInstance = new Chart(chartEl, {
@@ -189,6 +208,10 @@ onMounted(() => {
 			> .chart {
 				padding: 8px 0 0 0;
 			}
+			> .heatmap {
+				padding: 12px;
+				margin-bottom: 12px;
+			}
 		}
 	}
 
diff --git a/packages/client/src/pages/admin/overview.active-users.vue b/packages/client/src/pages/admin/overview.active-users.vue
new file mode 100644
index 0000000000..3ec7694f26
--- /dev/null
+++ b/packages/client/src/pages/admin/overview.active-users.vue
@@ -0,0 +1,167 @@
+<template>
+<div>
+	<MkLoading v-if="fetching"/>
+	<div v-show="!fetching" :class="$style.root" class="_panel">
+		<canvas ref="chartEl"></canvas>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { markRaw, version as vueVersion, onMounted, onBeforeUnmount, nextTick } from 'vue';
+import { Chart } from 'chart.js';
+import tinycolor from 'tinycolor2';
+import gradient from 'chartjs-plugin-gradient';
+import * as os from '@/os';
+import { defaultStore } from '@/store';
+import { useChartTooltip } from '@/scripts/use-chart-tooltip';
+import { chartVLine } from '@/scripts/chart-vline';
+import { alpha } from '@/scripts/color';
+import { initChart } from '@/scripts/init-chart';
+
+initChart();
+
+const chartEl = $shallowRef<HTMLCanvasElement>(null);
+const now = new Date();
+let chartInstance: Chart = null;
+const chartLimit = 7;
+let fetching = $ref(true);
+
+const { handler: externalTooltipHandler } = useChartTooltip();
+
+async function renderChart() {
+	if (chartInstance) {
+		chartInstance.destroy();
+	}
+
+	const getDate = (ago: number) => {
+		const y = now.getFullYear();
+		const m = now.getMonth();
+		const d = now.getDate();
+
+		return new Date(y, m, d - ago);
+	};
+
+	const format = (arr) => {
+		return arr.map((v, i) => ({
+			x: getDate(i).getTime(),
+			y: v,
+		}));
+	};
+
+	const raw = await os.api('charts/active-users', { limit: chartLimit, span: 'day' });
+
+	const vLineColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
+
+	const colorRead = '#3498db';
+	const colorWrite = '#2ecc71';
+
+	const max = Math.max(...raw.read);
+
+	chartInstance = new Chart(chartEl, {
+		type: 'bar',
+		data: {
+			datasets: [{
+				parsing: false,
+				label: 'Read',
+				data: format(raw.read).slice().reverse(),
+				pointRadius: 0,
+				borderWidth: 0,
+				borderJoinStyle: 'round',
+				borderRadius: 4,
+				backgroundColor: colorRead,
+				barPercentage: 0.7,
+				categoryPercentage: 0.5,
+				fill: true,
+			}, {
+				parsing: false,
+				label: 'Write',
+				data: format(raw.write).slice().reverse(),
+				pointRadius: 0,
+				borderWidth: 0,
+				borderJoinStyle: 'round',
+				borderRadius: 4,
+				backgroundColor: colorWrite,
+				barPercentage: 0.7,
+				categoryPercentage: 0.5,
+				fill: true,
+			}],
+		},
+		options: {
+			aspectRatio: 2.5,
+			layout: {
+				padding: {
+					left: 0,
+					right: 8,
+					top: 0,
+					bottom: 0,
+				},
+			},
+			scales: {
+				x: {
+					type: 'time',
+					offset: true,
+					time: {
+						stepSize: 1,
+						unit: 'day',
+						displayFormats: {
+							day: 'M/d',
+							month: 'Y/M',
+						},
+					},
+					grid: {
+						display: false,
+					},
+					ticks: {
+						display: true,
+						maxRotation: 0,
+						autoSkipPadding: 8,
+					},
+				},
+				y: {
+					position: 'left',
+					suggestedMax: 10,
+					grid: {
+						display: true,
+					},
+					ticks: {
+						display: true,
+						//mirror: true,
+					},
+				},
+			},
+			interaction: {
+				intersect: false,
+				mode: 'index',
+			},
+			plugins: {
+				legend: {
+					display: false,
+				},
+				tooltip: {
+					enabled: false,
+					mode: 'index',
+					animation: {
+						duration: 0,
+					},
+					external: externalTooltipHandler,
+				},
+				gradient,
+			},
+		},
+		plugins: [chartVLine(vLineColor)],
+	});
+
+	fetching = false;
+}
+
+onMounted(async () => {
+	renderChart();
+});
+</script>
+
+<style lang="scss" module>
+.root {
+	padding: 20px;
+}
+</style>
diff --git a/packages/client/src/pages/admin/overview.ap-requests.vue b/packages/client/src/pages/admin/overview.ap-requests.vue
new file mode 100644
index 0000000000..efb335fff1
--- /dev/null
+++ b/packages/client/src/pages/admin/overview.ap-requests.vue
@@ -0,0 +1,287 @@
+<template>
+<div>
+	<MkLoading v-if="fetching"/>
+	<div v-show="!fetching" :class="$style.root">
+		<div class="charts _panel">
+			<div class="chart">
+				<canvas ref="chartEl2"></canvas>
+			</div>
+			<div class="chart">
+				<canvas ref="chartEl"></canvas>
+			</div>
+		</div>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, onUnmounted, ref } from 'vue';
+import { Chart } from 'chart.js';
+import gradient from 'chartjs-plugin-gradient';
+import tinycolor from 'tinycolor2';
+import MkMiniChart from '@/components/MkMiniChart.vue';
+import * as os from '@/os';
+import number from '@/filters/number';
+import MkNumberDiff from '@/components/MkNumberDiff.vue';
+import { i18n } from '@/i18n';
+import { useChartTooltip } from '@/scripts/use-chart-tooltip';
+import { chartVLine } from '@/scripts/chart-vline';
+import { defaultStore } from '@/store';
+import { alpha } from '@/scripts/color';
+import { initChart } from '@/scripts/init-chart';
+
+initChart();
+
+const chartLimit = 50;
+const chartEl = $shallowRef<HTMLCanvasElement>();
+const chartEl2 = $shallowRef<HTMLCanvasElement>();
+let fetching = $ref(true);
+
+const { handler: externalTooltipHandler } = useChartTooltip();
+const { handler: externalTooltipHandler2 } = useChartTooltip();
+
+onMounted(async () => {
+	const now = new Date();
+
+	const getDate = (ago: number) => {
+		const y = now.getFullYear();
+		const m = now.getMonth();
+		const d = now.getDate();
+
+		return new Date(y, m, d - ago);
+	};
+
+	const format = (arr) => {
+		return arr.map((v, i) => ({
+			x: getDate(i).getTime(),
+			y: v,
+		}));
+	};
+
+	const formatMinus = (arr) => {
+		return arr.map((v, i) => ({
+			x: getDate(i).getTime(),
+			y: -v,
+		}));
+	};
+
+	const raw = await os.api('charts/ap-request', { limit: chartLimit, span: 'day' });
+
+	const vLineColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
+	const succColor = '#87e000';
+	const failColor = '#ff4400';
+
+	const succMax = Math.max(...raw.deliverSucceeded);
+	const failMax = Math.max(...raw.deliverFailed);
+
+	new Chart(chartEl, {
+		type: 'line',
+		data: {
+			datasets: [{
+				stack: 'a',
+				parsing: false,
+				label: 'Out: Succ',
+				data: format(raw.deliverSucceeded).slice().reverse(),
+				tension: 0.3,
+				pointRadius: 0,
+				borderWidth: 2,
+				borderColor: succColor,
+				borderJoinStyle: 'round',
+				borderRadius: 4,
+				backgroundColor: alpha(succColor, 0.35),
+				fill: true,
+				clip: 8,
+			}, {
+				stack: 'a',
+				parsing: false,
+				label: 'Out: Fail',
+				data: formatMinus(raw.deliverFailed).slice().reverse(),
+				tension: 0.3,
+				pointRadius: 0,
+				borderWidth: 2,
+				borderColor: failColor,
+				borderJoinStyle: 'round',
+				borderRadius: 4,
+				backgroundColor: alpha(failColor, 0.35),
+				fill: true,
+				clip: 8,
+			}],
+		},
+		options: {
+			aspectRatio: 2.5,
+			layout: {
+				padding: {
+					left: 0,
+					right: 8,
+					top: 0,
+					bottom: 0,
+				},
+			},
+			scales: {
+				x: {
+					type: 'time',
+					stacked: true,
+					offset: false,
+					time: {
+						stepSize: 1,
+						unit: 'day',
+					},
+					grid: {
+						display: true,
+					},
+					ticks: {
+						display: true,
+						maxRotation: 0,
+						autoSkipPadding: 16,
+					},
+					min: getDate(chartLimit).getTime(),
+				},
+				y: {
+					stacked: true,
+					position: 'left',
+					suggestedMax: 10,
+					grid: {
+						display: true,
+					},
+					ticks: {
+						display: true,
+						//mirror: true,
+						callback: (value, index, values) => value < 0 ? -value : value,
+					},
+				},
+			},
+			interaction: {
+				intersect: false,
+				mode: 'index',
+			},
+			elements: {
+				point: {
+					hoverRadius: 5,
+					hoverBorderWidth: 2,
+				},
+			},
+			plugins: {
+				legend: {
+					display: false,
+				},
+				tooltip: {
+					enabled: false,
+					mode: 'index',
+					animation: {
+						duration: 0,
+					},
+					external: externalTooltipHandler,
+				},
+				gradient,
+			},
+		},
+		plugins: [chartVLine(vLineColor)],
+	});
+
+	new Chart(chartEl2, {
+		type: 'bar',
+		data: {
+			datasets: [{
+				parsing: false,
+				label: 'In',
+				data: format(raw.inboxReceived).slice().reverse(),
+				tension: 0.3,
+				pointRadius: 0,
+				borderWidth: 0,
+				borderJoinStyle: 'round',
+				borderRadius: 4,
+				backgroundColor: '#0cc2d6',
+				barPercentage: 0.8,
+				categoryPercentage: 0.9,
+				fill: true,
+				clip: 8,
+			}],
+		},
+		options: {
+			aspectRatio: 5,
+			layout: {
+				padding: {
+					left: 0,
+					right: 8,
+					top: 0,
+					bottom: 0,
+				},
+			},
+			scales: {
+				x: {
+					type: 'time',
+					offset: false,
+					time: {
+						stepSize: 1,
+						unit: 'day',
+						displayFormats: {
+							day: 'M/d',
+							month: 'Y/M',
+						},
+					},
+					grid: {
+						display: false,
+					},
+					ticks: {
+						display: false,
+						maxRotation: 0,
+						autoSkipPadding: 16,
+					},
+					min: getDate(chartLimit).getTime(),
+				},
+				y: {
+					position: 'left',
+					suggestedMax: 10,
+					grid: {
+						display: true,
+					},
+				},
+			},
+			interaction: {
+				intersect: false,
+				mode: 'index',
+			},
+			elements: {
+				point: {
+					hoverRadius: 5,
+					hoverBorderWidth: 2,
+				},
+			},
+			plugins: {
+				legend: {
+					display: false,
+				},
+				tooltip: {
+					enabled: false,
+					mode: 'index',
+					animation: {
+						duration: 0,
+					},
+					external: externalTooltipHandler2,
+				},
+				gradient,
+			},
+		},
+		plugins: [chartVLine(vLineColor)],
+	});
+	
+	fetching = false;
+});
+</script>
+
+<style lang="scss" module>
+.root {
+	&:global {
+		> .charts {
+			> .chart {
+				padding: 16px;
+
+				&:first-child {
+					border-bottom: solid 0.5px var(--divider);
+				}
+			}
+		}
+	}
+}
+</style>
+
diff --git a/packages/client/src/pages/admin/overview.federation.vue b/packages/client/src/pages/admin/overview.federation.vue
index e8cb5867a7..2789adf643 100644
--- a/packages/client/src/pages/admin/overview.federation.vue
+++ b/packages/client/src/pages/admin/overview.federation.vue
@@ -1,100 +1,185 @@
 <template>
-<div class="wbrkwale">
+<div>
 	<MkLoading v-if="fetching"/>
-	<transition-group v-else tag="div" :name="$store.state.animation ? 'chart' : ''" class="instances">
-		<MkA v-for="(instance, i) in instances" :key="instance.id" :to="`/instance-info/${instance.host}`" class="instance">
-			<img v-if="instance.iconUrl" :src="instance.iconUrl" alt=""/>
-			<div class="body">
-				<div class="name">{{ instance.name ?? instance.host }}</div>
-				<div class="host">{{ instance.host }}</div>
+	<div v-show="!fetching" :class="$style.root">
+		<div v-if="topSubInstancesForPie && topPubInstancesForPie" class="pies">
+			<div class="pie deliver _panel">
+				<div class="title">Sub</div>
+				<XPie :data="topSubInstancesForPie" class="chart"/>
+				<div class="subTitle">Top 10</div>
 			</div>
-			<MkMiniChart class="chart" :src="charts[i].requests.received"/>
-		</MkA>
-	</transition-group>
+			<div class="pie inbox _panel">
+				<div class="title">Pub</div>
+				<XPie :data="topPubInstancesForPie" class="chart"/>
+				<div class="subTitle">Top 10</div>
+			</div>
+		</div>
+		<div v-if="!fetching" class="items">
+			<div class="item _panel sub">
+				<div class="icon"><i class="ti ti-world-download"></i></div>
+				<div class="body">
+					<div class="value">
+						{{ number(federationSubActive) }}
+						<MkNumberDiff v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="federationSubActiveDiff"></MkNumberDiff>
+					</div>
+					<div class="label">Sub</div>
+				</div>
+			</div>
+			<div class="item _panel pub">
+				<div class="icon"><i class="ti ti-world-upload"></i></div>
+				<div class="body">
+					<div class="value">
+						{{ number(federationPubActive) }}
+						<MkNumberDiff v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="federationPubActiveDiff"></MkNumberDiff>
+					</div>
+					<div class="label">Pub</div>
+				</div>
+			</div>
+		</div>
+	</div>
 </div>
 </template>
 
 <script lang="ts" setup>
 import { onMounted, onUnmounted, ref } from 'vue';
+import XPie from './overview.pie.vue';
 import MkMiniChart from '@/components/MkMiniChart.vue';
 import * as os from '@/os';
-import { useInterval } from '@/scripts/use-interval';
+import number from '@/filters/number';
+import MkNumberDiff from '@/components/MkNumberDiff.vue';
+import { i18n } from '@/i18n';
+import { useChartTooltip } from '@/scripts/use-chart-tooltip';
 
-const instances = ref([]);
-const charts = ref([]);
-const fetching = ref(true);
+let topSubInstancesForPie: any = $ref(null);
+let topPubInstancesForPie: any = $ref(null);
+let federationPubActive = $ref<number | null>(null);
+let federationPubActiveDiff = $ref<number | null>(null);
+let federationSubActive = $ref<number | null>(null);
+let federationSubActiveDiff = $ref<number | null>(null);
+let fetching = $ref(true);
 
-const fetch = async () => {
-	const fetchedInstances = await os.api('federation/instances', {
-		sort: '+lastCommunicatedAt',
-		limit: 5,
+const { handler: externalTooltipHandler } = useChartTooltip();
+	
+onMounted(async () => {
+	const chart = await os.apiGet('charts/federation', { limit: 2, span: 'day' });
+	federationPubActive = chart.pubActive[0];
+	federationPubActiveDiff = chart.pubActive[0] - chart.pubActive[1];
+	federationSubActive = chart.subActive[0];
+	federationSubActiveDiff = chart.subActive[0] - chart.subActive[1];
+
+	os.apiGet('federation/stats', { limit: 10 }).then(res => {
+		topSubInstancesForPie = res.topSubInstances.map(x => ({
+			name: x.host,
+			color: x.themeColor,
+			value: x.followersCount,
+			onClick: () => {
+				os.pageWindow(`/instance-info/${x.host}`);
+			},
+		})).concat([{ name: '(other)', color: '#80808080', value: res.otherFollowersCount }]);
+		topPubInstancesForPie = res.topPubInstances.map(x => ({
+			name: x.host,
+			color: x.themeColor,
+			value: x.followingCount,
+			onClick: () => {
+				os.pageWindow(`/instance-info/${x.host}`);
+			},
+		})).concat([{ name: '(other)', color: '#80808080', value: res.otherFollowingCount }]);
 	});
-	const fetchedCharts = await Promise.all(fetchedInstances.map(i => os.apiGet('charts/instance', { host: i.host, limit: 16, span: 'hour' })));
-	instances.value = fetchedInstances;
-	charts.value = fetchedCharts;
-	fetching.value = false;
-};
 
-useInterval(fetch, 1000 * 60, {
-	immediate: true,
-	afterMounted: true,
+	fetching = false;
 });
 </script>
 
-<style lang="scss" scoped>
-.wbrkwale {
-	> .instances {
-		.chart-move {
-			transition: transform 1s ease;
+<style lang="scss" module>
+.root {
+
+	&:global {
+		> .pies {
+			display: grid;
+			grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
+			grid-gap: 12px;
+			margin-bottom: 12px;
+
+			> .pie {
+				position: relative;
+				padding: 12px;
+
+				> .title {
+					position: absolute;
+					top: 20px;
+					left: 20px;
+					font-size: 90%;
+				}
+
+				> .chart {
+					max-height: 150px;
+				}
+
+				> .subTitle {
+					position: absolute;
+					bottom: 20px;
+					right: 20px;
+					font-size: 85%;
+				}
+			}
 		}
 
-		> .instance {
-			display: flex;
-			align-items: center;
-			padding: 16px 20px;
+		> .items {
+			display: grid;
+			grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
+			grid-gap: 12px;
 
-			&:not(:last-child) {
-				border-bottom: solid 0.5px var(--divider);
-			}
+			> .item {
+				display: flex;
+				box-sizing: border-box;
+				padding: 12px;
 
-			> img {
-				display: block;
-				width: 34px;
-				height: 34px;
-				object-fit: cover;
-				border-radius: 4px;
-				margin-right: 12px;
-			}
-
-			> .body {
-				flex: 1;
-				overflow: hidden;
-				font-size: 0.9em;
-				color: var(--fg);
-				padding-right: 8px;
-
-				> .name {
-					display: block;
-					width: 100%;
-					white-space: nowrap;
-					overflow: hidden;
-					text-overflow: ellipsis;
+				> .icon {
+					display: grid;
+					place-items: center;
+					height: 100%;
+					aspect-ratio: 1;
+					margin-right: 12px;
+					background: var(--accentedBg);
+					color: var(--accent);
+					border-radius: 10px;
 				}
 
-				> .host {
-					margin: 0;
-					font-size: 75%;
-					opacity: 0.7;
-					white-space: nowrap;
-					overflow: hidden;
-					text-overflow: ellipsis;
+				&.sub {
+					> .icon {
+						background: #d5ba0026;
+						color: #dfc300;
+					}
 				}
-			}
 
-			> .chart {
-				height: 30px;
+				&.pub {
+					> .icon {
+						background: #00cf2326;
+						color: #00cd5b;
+					}
+				}
+
+				> .body {
+					padding: 2px 0;
+
+					> .value {
+						font-size: 1.2em;
+						font-weight: bold;
+
+						> .diff {
+							font-size: 0.65em;
+							font-weight: normal;
+						}
+					}
+
+					> .label {
+						font-size: 0.8em;
+						opacity: 0.5;
+					}
+				}
 			}
 		}
 	}
 }
 </style>
+
diff --git a/packages/client/src/pages/admin/overview.heatmap.vue b/packages/client/src/pages/admin/overview.heatmap.vue
new file mode 100644
index 0000000000..3fb1638938
--- /dev/null
+++ b/packages/client/src/pages/admin/overview.heatmap.vue
@@ -0,0 +1,25 @@
+<template>
+<div class="_panel" :class="$style.root">
+	<MkSelect v-model="src" style="margin: 0 0 12px 0;" small>
+		<option value="active-users">Active users</option>
+		<option value="notes">Notes</option>
+		<option value="ap-requests-inbox-received">AP Requests: inboxReceived</option>
+		<option value="ap-requests-deliver-succeeded">AP Requests: deliverSucceeded</option>
+		<option value="ap-requests-deliver-failed">AP Requests: deliverFailed</option>
+	</MkSelect>
+	<MkHeatmap :src="src"/>
+</div>
+</template>
+
+<script lang="ts" setup>
+import MkHeatmap from '@/components/MkHeatmap.vue';
+import MkSelect from '@/components/MkSelect.vue';
+
+let src = $ref('active-users');
+</script>
+
+<style lang="scss" module>
+.root {
+	padding: 20px;
+}
+</style>
diff --git a/packages/client/src/pages/admin/overview.instances.vue b/packages/client/src/pages/admin/overview.instances.vue
new file mode 100644
index 0000000000..15dbdc4639
--- /dev/null
+++ b/packages/client/src/pages/admin/overview.instances.vue
@@ -0,0 +1,50 @@
+<template>
+<div class="wbrkwale">
+	<Transition :name="$store.state.animation ? '_transition_zoom' : ''" mode="out-in">
+		<MkLoading v-if="fetching"/>
+		<div v-else class="instances">
+			<MkA v-for="(instance, i) in instances" :key="instance.id" v-tooltip.mfm.noDelay="`${instance.name}\n${instance.host}\n${instance.softwareName} ${instance.softwareVersion}`" :to="`/instance-info/${instance.host}`" class="instance">
+				<MkInstanceCardMini :instance="instance"/>
+			</MkA>
+		</div>
+	</Transition>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, onUnmounted, ref } from 'vue';
+import * as os from '@/os';
+import { useInterval } from '@/scripts/use-interval';
+import MkInstanceCardMini from '@/components/MkInstanceCardMini.vue';
+
+const instances = ref([]);
+const fetching = ref(true);
+
+const fetch = async () => {
+	const fetchedInstances = await os.api('federation/instances', {
+		sort: '+latestRequestReceivedAt',
+		limit: 6,
+	});
+	instances.value = fetchedInstances;
+	fetching.value = false;
+};
+
+useInterval(fetch, 1000 * 60, {
+	immediate: true,
+	afterMounted: true,
+});
+</script>
+
+<style lang="scss" scoped>
+.wbrkwale {
+	> .instances {
+		display: grid;
+		grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
+		grid-gap: 12px;
+
+		> .instance:hover {
+			text-decoration: none;
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/pages/admin/overview.moderators.vue b/packages/client/src/pages/admin/overview.moderators.vue
new file mode 100644
index 0000000000..445217d825
--- /dev/null
+++ b/packages/client/src/pages/admin/overview.moderators.vue
@@ -0,0 +1,55 @@
+<template>
+<div>
+	<Transition :name="$store.state.animation ? '_transition_zoom' : ''" mode="out-in">
+		<MkLoading v-if="fetching"/>
+		<div v-else :class="$style.root" class="_panel">
+			<MkA v-for="user in moderators" :key="user.id" class="user" :to="`/user-info/${user.id}`">
+				<MkAvatar :user="user" class="avatar" indicator/>
+			</MkA>
+		</div>
+	</Transition>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, onUnmounted, ref } from 'vue';
+import * as os from '@/os';
+import number from '@/filters/number';
+import { i18n } from '@/i18n';
+
+let moderators: any = $ref(null);
+let fetching = $ref(true);
+
+onMounted(async () => {
+	moderators = await os.api('admin/show-users', {
+		sort: '+lastActiveDate',
+		state: 'adminOrModerator',
+		limit: 30,
+	});
+
+	fetching = false;
+});
+</script>
+
+<style lang="scss" module>
+.root {
+	display: grid;
+	grid-template-columns: repeat(auto-fill, minmax(30px, 40px));
+	grid-gap: 12px;
+	place-content: center;
+	padding: 12px;
+
+	&:global {
+		> .user {
+			width: 100%;
+			height: 100%;
+			aspect-ratio: 1;
+
+			> .avatar {
+				width: 100%;
+				height: 100%;
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/pages/admin/overview.pie.vue b/packages/client/src/pages/admin/overview.pie.vue
index d3b2032876..416e963356 100644
--- a/packages/client/src/pages/admin/overview.pie.vue
+++ b/packages/client/src/pages/admin/overview.pie.vue
@@ -3,57 +3,24 @@
 </template>
 
 <script lang="ts" setup>
-import { onMounted, onUnmounted, ref } from 'vue';
-import {
-	Chart,
-	ArcElement,
-	LineElement,
-	BarElement,
-	PointElement,
-	BarController,
-	LineController,
-	CategoryScale,
-	LinearScale,
-	TimeScale,
-	Legend,
-	Title,
-	Tooltip,
-	SubTitle,
-	Filler,
-	DoughnutController,
-} from 'chart.js';
+import { onMounted, onUnmounted, ref, shallowRef } from 'vue';
+import { Chart } from 'chart.js';
 import number from '@/filters/number';
 import { defaultStore } from '@/store';
 import { useChartTooltip } from '@/scripts/use-chart-tooltip';
+import { initChart } from '@/scripts/init-chart';
 
-Chart.register(
-	ArcElement,
-	LineElement,
-	BarElement,
-	PointElement,
-	BarController,
-	LineController,
-	DoughnutController,
-	CategoryScale,
-	LinearScale,
-	TimeScale,
-	Legend,
-	Title,
-	Tooltip,
-	SubTitle,
-	Filler,
-);
+initChart();
 
 const props = defineProps<{
 	data: { name: string; value: number; color: string; onClick?: () => void }[];
 }>();
 
-const chartEl = ref<HTMLCanvasElement>(null);
+const chartEl = shallowRef<HTMLCanvasElement>(null);
 
-// フォントカラー
-Chart.defaults.color = getComputedStyle(document.documentElement).getPropertyValue('--fg');
-
-const { handler: externalTooltipHandler } = useChartTooltip();
+const { handler: externalTooltipHandler } = useChartTooltip({
+	position: 'middle',
+});
 
 let chartInstance: Chart;
 
diff --git a/packages/client/src/pages/admin/overview.queue.chart.vue b/packages/client/src/pages/admin/overview.queue.chart.vue
new file mode 100644
index 0000000000..0162d53665
--- /dev/null
+++ b/packages/client/src/pages/admin/overview.queue.chart.vue
@@ -0,0 +1,140 @@
+<template>
+<canvas ref="chartEl"></canvas>
+</template>
+
+<script lang="ts" setup>
+import { watch, onMounted, onUnmounted, ref, shallowRef } from 'vue';
+import { Chart } from 'chart.js';
+import number from '@/filters/number';
+import * as os from '@/os';
+import { defaultStore } from '@/store';
+import { useChartTooltip } from '@/scripts/use-chart-tooltip';
+import { chartVLine } from '@/scripts/chart-vline';
+import { alpha } from '@/scripts/color';
+import { initChart } from '@/scripts/init-chart';
+
+initChart();
+
+const props = defineProps<{
+	type: string;
+}>();
+
+const chartEl = shallowRef<HTMLCanvasElement>(null);
+
+const { handler: externalTooltipHandler } = useChartTooltip();
+
+let chartInstance: Chart;
+
+function setData(values) {
+	if (chartInstance == null) return;
+	for (const value of values) {
+		chartInstance.data.labels.push('');
+		chartInstance.data.datasets[0].data.push(value);
+		if (chartInstance.data.datasets[0].data.length > 100) {
+			chartInstance.data.labels.shift();
+			chartInstance.data.datasets[0].data.shift();
+		}
+	}
+	chartInstance.update();
+}
+
+function pushData(value) {
+	if (chartInstance == null) return;
+	chartInstance.data.labels.push('');
+	chartInstance.data.datasets[0].data.push(value);
+	if (chartInstance.data.datasets[0].data.length > 100) {
+		chartInstance.data.labels.shift();
+		chartInstance.data.datasets[0].data.shift();
+	}
+	chartInstance.update();
+}
+
+const label =
+	props.type === 'process' ? 'Process' :
+	props.type === 'active' ? 'Active' :
+	props.type === 'delayed' ? 'Delayed' :
+	props.type === 'waiting' ? 'Waiting' :
+	'?' as never;
+
+const color =
+	props.type === 'process' ? '#00E396' :
+	props.type === 'active' ? '#00BCD4' :
+	props.type === 'delayed' ? '#E53935' :
+	props.type === 'waiting' ? '#FFB300' :
+	'?' as never;
+
+onMounted(() => {
+	const vLineColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
+
+	chartInstance = new Chart(chartEl.value, {
+		type: 'line',
+		data: {
+			labels: [],
+			datasets: [{
+				label: label,
+				pointRadius: 0,
+				tension: 0.3,
+				borderWidth: 2,
+				borderJoinStyle: 'round',
+				borderColor: color,
+				backgroundColor: alpha(color, 0.2),
+				fill: true,
+				data: [],
+			}],
+		},
+		options: {
+			aspectRatio: 2.5,
+			layout: {
+				padding: {
+					left: 0,
+					right: 0,
+					top: 0,
+					bottom: 0,
+				},
+			},
+			scales: {
+				x: {
+					grid: {
+						display: false,
+					},
+					ticks: {
+						display: false,
+						maxTicksLimit: 10,
+					},
+				},
+				y: {
+					min: 0,
+					grid: {
+					},
+				},
+			},
+			interaction: {
+				intersect: false,
+			},
+			plugins: {
+				legend: {
+					display: false,
+				},
+				tooltip: {
+					enabled: false,
+					mode: 'index',
+					animation: {
+						duration: 0,
+					},
+					external: externalTooltipHandler,
+				},
+			},
+		},
+		plugins: [chartVLine(vLineColor)],
+	});
+});
+
+defineExpose({
+	setData,
+	pushData,
+});
+</script>
+
+<style lang="scss" scoped>
+
+</style>
diff --git a/packages/client/src/pages/admin/overview.queue.vue b/packages/client/src/pages/admin/overview.queue.vue
new file mode 100644
index 0000000000..7e58882938
--- /dev/null
+++ b/packages/client/src/pages/admin/overview.queue.vue
@@ -0,0 +1,127 @@
+<template>
+<div :class="$style.root">
+	<div class="_table status">
+		<div class="_row">
+			<div class="_cell" style="text-align: center;"><div class="_label">Process</div>{{ number(activeSincePrevTick) }}</div>
+			<div class="_cell" style="text-align: center;"><div class="_label">Active</div>{{ number(active) }}</div>
+			<div class="_cell" style="text-align: center;"><div class="_label">Waiting</div>{{ number(waiting) }}</div>
+			<div class="_cell" style="text-align: center;"><div class="_label">Delayed</div>{{ number(delayed) }}</div>
+		</div>
+	</div>
+	<div class="charts">
+		<div class="chart">
+			<div class="title">Process</div>
+			<XChart ref="chartProcess" type="process"/>
+		</div>
+		<div class="chart">
+			<div class="title">Active</div>
+			<XChart ref="chartActive" type="active"/>
+		</div>
+		<div class="chart">
+			<div class="title">Delayed</div>
+			<XChart ref="chartDelayed" type="delayed"/>
+		</div>
+		<div class="chart">
+			<div class="title">Waiting</div>
+			<XChart ref="chartWaiting" type="waiting"/>
+		</div>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { markRaw, onMounted, onUnmounted, ref } from 'vue';
+import XChart from './overview.queue.chart.vue';
+import number from '@/filters/number';
+import * as os from '@/os';
+import { stream } from '@/stream';
+import { i18n } from '@/i18n';
+
+const connection = markRaw(stream.useChannel('queueStats'));
+
+const activeSincePrevTick = ref(0);
+const active = ref(0);
+const delayed = ref(0);
+const waiting = ref(0);
+let chartProcess = $shallowRef<InstanceType<typeof XChart>>();
+let chartActive = $shallowRef<InstanceType<typeof XChart>>();
+let chartDelayed = $shallowRef<InstanceType<typeof XChart>>();
+let chartWaiting = $shallowRef<InstanceType<typeof XChart>>();
+
+const props = defineProps<{
+	domain: string;
+}>();
+
+const onStats = (stats) => {
+	activeSincePrevTick.value = stats[props.domain].activeSincePrevTick;
+	active.value = stats[props.domain].active;
+	delayed.value = stats[props.domain].delayed;
+	waiting.value = stats[props.domain].waiting;
+
+	chartProcess.pushData(stats[props.domain].activeSincePrevTick);
+	chartActive.pushData(stats[props.domain].active);
+	chartDelayed.pushData(stats[props.domain].delayed);
+	chartWaiting.pushData(stats[props.domain].waiting);
+};
+
+const onStatsLog = (statsLog) => {
+	const dataProcess = [];
+	const dataActive = [];
+	const dataDelayed = [];
+	const dataWaiting = [];
+
+	for (const stats of [...statsLog].reverse()) {
+		dataProcess.push(stats[props.domain].activeSincePrevTick);
+		dataActive.push(stats[props.domain].active);
+		dataDelayed.push(stats[props.domain].delayed);
+		dataWaiting.push(stats[props.domain].waiting);
+	}
+
+	chartProcess.setData(dataProcess);
+	chartActive.setData(dataActive);
+	chartDelayed.setData(dataDelayed);
+	chartWaiting.setData(dataWaiting);
+};
+
+onMounted(() => {
+	connection.on('stats', onStats);
+	connection.on('statsLog', onStatsLog);
+	connection.send('requestLog', {
+		id: Math.random().toString().substr(2, 8),
+		length: 100,
+	});
+});
+
+onUnmounted(() => {
+	connection.off('stats', onStats);
+	connection.off('statsLog', onStatsLog);
+	connection.dispose();
+});
+</script>
+
+<style lang="scss" module>
+.root {
+	&:global {
+		> .status {
+			padding: 0 0 16px 0;
+		}
+
+		> .charts {
+			display: grid;
+			grid-template-columns: 1fr 1fr;
+			gap: 12px;
+
+			> .chart {
+				min-width: 0;
+				padding: 16px;
+				background: var(--panel);
+				border-radius: var(--radius);
+
+				> .title {
+					font-size: 0.85em;
+				}
+			}
+		}
+	}
+}
+</style>	
diff --git a/packages/client/src/pages/admin/overview.stats.vue b/packages/client/src/pages/admin/overview.stats.vue
new file mode 100644
index 0000000000..bd636cc3ef
--- /dev/null
+++ b/packages/client/src/pages/admin/overview.stats.vue
@@ -0,0 +1,173 @@
+<template>
+<div>
+	<Transition :name="$store.state.animation ? '_transition_zoom' : ''" mode="out-in">
+		<MkLoading v-if="fetching"/>
+		<div v-else :class="$style.root">
+			<div class="item _panel users">
+				<div class="icon"><i class="ti ti-users"></i></div>
+				<div class="body">
+					<div class="value">
+						<MkNumber :value="stats.originalUsersCount" style="margin-right: 0.5em;"/>
+						<MkNumberDiff v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="usersComparedToThePrevDay"></MkNumberDiff>
+					</div>
+					<div class="label">Users</div>
+				</div>
+			</div>
+			<div class="item _panel notes">
+				<div class="icon"><i class="ti ti-pencil"></i></div>
+				<div class="body">
+					<div class="value">
+						<MkNumber :value="stats.originalNotesCount" style="margin-right: 0.5em;"/>
+						<MkNumberDiff v-tooltip="i18n.ts.dayOverDayChanges" class="diff" :value="notesComparedToThePrevDay"></MkNumberDiff>
+					</div>
+					<div class="label">Notes</div>
+				</div>
+			</div>
+			<div class="item _panel instances">
+				<div class="icon"><i class="ti ti-planet"></i></div>
+				<div class="body">
+					<div class="value">
+						<MkNumber :value="stats.instances" style="margin-right: 0.5em;"/>
+					</div>
+					<div class="label">Instances</div>
+				</div>
+			</div>
+			<div class="item _panel emojis">
+				<div class="icon"><i class="ti ti-icons"></i></div>
+				<div class="body">
+					<div class="value">
+						<MkNumber :value="customEmojis.length" style="margin-right: 0.5em;"/>
+					</div>
+					<div class="label">Custom emojis</div>
+				</div>
+			</div>
+			<div class="item _panel online">
+				<div class="icon"><i class="ti ti-access-point"></i></div>
+				<div class="body">
+					<div class="value">
+						<MkNumber :value="onlineUsersCount" style="margin-right: 0.5em;"/>
+					</div>
+					<div class="label">Online</div>
+				</div>
+			</div>
+		</div>
+	</Transition>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, onUnmounted, ref } from 'vue';
+import MkMiniChart from '@/components/MkMiniChart.vue';
+import * as os from '@/os';
+import number from '@/filters/number';
+import MkNumberDiff from '@/components/MkNumberDiff.vue';
+import MkNumber from '@/components/MkNumber.vue';
+import { i18n } from '@/i18n';
+import { customEmojis } from '@/custom-emojis';
+
+let stats: any = $ref(null);
+let usersComparedToThePrevDay = $ref<number>();
+let notesComparedToThePrevDay = $ref<number>();
+let onlineUsersCount = $ref(0);
+let fetching = $ref(true);
+
+onMounted(async () => {
+	const [_stats, _onlineUsersCount] = await Promise.all([
+		os.api('stats', {}),
+		os.api('get-online-users-count').then(res => res.count),
+	]);
+	stats = _stats;
+	onlineUsersCount = _onlineUsersCount;
+
+	os.apiGet('charts/users', { limit: 2, span: 'day' }).then(chart => {
+		usersComparedToThePrevDay = stats.originalUsersCount - chart.local.total[1];
+	});
+
+	os.apiGet('charts/notes', { limit: 2, span: 'day' }).then(chart => {
+		notesComparedToThePrevDay = stats.originalNotesCount - chart.local.total[1];
+	});
+
+	fetching = false;
+});
+</script>
+
+<style lang="scss" module>
+.root {
+	display: grid;
+	grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
+	grid-gap: 12px;
+
+	&:global {
+		> .item {
+			display: flex;
+			box-sizing: border-box;
+			padding: 12px;
+
+			> .icon {
+				display: grid;
+				place-items: center;
+				height: 100%;
+				aspect-ratio: 1;
+				margin-right: 12px;
+				background: var(--accentedBg);
+				color: var(--accent);
+				border-radius: 10px;
+			}
+
+			&.users {
+				> .icon {
+					background: #0088d726;
+					color: #3d96c1;
+				}
+			}
+
+			&.notes {
+				> .icon {
+					background: #86b30026;
+					color: #86b300;
+				}
+			}
+
+			&.instances {
+				> .icon {
+					background: #e96b0026;
+					color: #d76d00;
+				}
+			}
+
+			&.emojis {
+				> .icon {
+					background: #d5ba0026;
+						color: #dfc300;
+				}
+			}
+
+			&.online {
+				> .icon {
+					background: #8a00d126;
+					color: #c01ac3;
+				}
+			}
+
+			> .body {
+				padding: 2px 0;
+
+				> .value {
+					font-size: 1.2em;
+					font-weight: bold;
+
+					> .diff {
+						font-size: 0.65em;
+						font-weight: normal;
+					}
+				}
+
+				> .label {
+					font-size: 0.8em;
+					opacity: 0.5;
+				}
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/pages/admin/overview.users.vue b/packages/client/src/pages/admin/overview.users.vue
new file mode 100644
index 0000000000..5390d9d8cb
--- /dev/null
+++ b/packages/client/src/pages/admin/overview.users.vue
@@ -0,0 +1,57 @@
+<template>
+<div :class="$style.root">
+	<Transition :name="$store.state.animation ? '_transition_zoom' : ''" mode="out-in">
+		<MkLoading v-if="fetching"/>
+		<div v-else class="users">
+			<MkA v-for="(user, i) in newUsers" :key="user.id" :to="`/user-info/${user.id}`" class="user">
+				<MkUserCardMini :user="user"/>
+			</MkA>
+		</div>
+	</Transition>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, onUnmounted, ref } from 'vue';
+import * as os from '@/os';
+import { useInterval } from '@/scripts/use-interval';
+import MkUserCardMini from '@/components/MkUserCardMini.vue';
+
+let newUsers = $ref(null);
+let fetching = $ref(true);
+
+const fetch = async () => {
+	const _newUsers = await os.api('admin/show-users', {
+		limit: 5,
+		sort: '+createdAt',
+		origin: 'local',
+	});
+	newUsers = _newUsers;
+	fetching = false;
+};
+
+useInterval(fetch, 1000 * 60, {
+	immediate: true,
+	afterMounted: true,
+});
+</script>
+
+<style lang="scss" module>
+.root {
+	&:global {
+		> .users {
+			.chart-move {
+				transition: transform 1s ease;
+			}
+
+			display: grid;
+			grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+			grid-gap: 12px;
+
+			> .user:hover {
+				text-decoration: none;
+			}
+		}
+	}
+}
+</style>
diff --git a/packages/client/src/pages/admin/overview.vue b/packages/client/src/pages/admin/overview.vue
index 297f5afe97..e18af898bc 100644
--- a/packages/client/src/pages/admin/overview.vue
+++ b/packages/client/src/pages/admin/overview.vue
@@ -129,6 +129,55 @@
 					</div>
 				</div>
 			</div>
+			<div class="item">
+				<template #header>Stats</template>
+				<XStats/>
+			</div>
+
+			<div class="item">
+				<template #header>Active users</template>
+				<XActiveUsers/>
+			</div>
+
+			<div class="item">
+				<template #header>Heatmap</template>
+				<XHeatmap/>
+			</div>
+
+			<div class="item">
+				<template #header>Moderators</template>
+				<XModerators/>
+			</div>
+
+			<div class="item">
+				<template #header>Federation</template>
+				<XFederation/>
+			</div>
+
+			<div class="item">
+				<template #header>Instances</template>
+				<XInstances/>
+			</div>
+
+			<div class="item">
+				<template #header>Ap requests</template>
+				<XApRequests/>
+			</div>
+
+			<div class="item">
+				<template #header>New users</template>
+				<XUsers/>
+			</div>
+
+			<div class="item">
+				<template #header>Deliver queue</template>
+				<XQueue domain="deliver"/>
+			</div>
+
+			<div class="item">
+				<template #header>Inbox queue</template>
+				<XQueue domain="inbox"/>
+			</div>
 		</div>
 	</div>
 </MkSpacer>
@@ -159,6 +208,12 @@ import MagicGrid from 'magic-grid';
 import XMetrics from './metrics.vue';
 import XFederation from './overview.federation.vue';
 import XQueueChart from './overview.queue-chart.vue';
+import XApRequests from './overview.ap-requests.vue';
+import XUsers from './overview.users.vue';
+import XActiveUsers from './overview.active-users.vue';
+import XStats from './overview.stats.vue';
+import XModerators from './overview.moderators.vue';
+import XHeatmap from './overview.heatmap.vue';
 import XUser from './overview.user.vue';
 import XPie from './overview.pie.vue';
 import MkNumberDiff from '@/components/MkNumberDiff.vue';
diff --git a/packages/client/src/scripts/color.ts b/packages/client/src/scripts/color.ts
new file mode 100644
index 0000000000..10a99a5a05
--- /dev/null
+++ b/packages/client/src/scripts/color.ts
@@ -0,0 +1,7 @@
+export const alpha = (hex: string, a: number): string => {
+	const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)!;
+	const r = parseInt(result[1], 16);
+	const g = parseInt(result[2], 16);
+	const b = parseInt(result[3], 16);
+	return `rgba(${r}, ${g}, ${b}, ${a})`;
+};
diff --git a/packages/client/src/scripts/init-chart.ts b/packages/client/src/scripts/init-chart.ts
new file mode 100644
index 0000000000..32adf73bba
--- /dev/null
+++ b/packages/client/src/scripts/init-chart.ts
@@ -0,0 +1,58 @@
+import {
+	Chart,
+	ArcElement,
+	LineElement,
+	BarElement,
+	PointElement,
+	BarController,
+	LineController,
+	DoughnutController,
+	CategoryScale,
+	LinearScale,
+	TimeScale,
+	Legend,
+	Title,
+	Tooltip,
+	SubTitle,
+	Filler,
+} from "chart.js";
+import gradient from "chartjs-plugin-gradient";
+import zoomPlugin from "chartjs-plugin-zoom";
+import { MatrixController, MatrixElement } from "chartjs-chart-matrix";
+import { defaultStore } from "@/store";
+import "chartjs-adapter-date-fns";
+
+export function initChart() {
+	Chart.register(
+		ArcElement,
+		LineElement,
+		BarElement,
+		PointElement,
+		BarController,
+		LineController,
+		DoughnutController,
+		CategoryScale,
+		LinearScale,
+		TimeScale,
+		Legend,
+		Title,
+		Tooltip,
+		SubTitle,
+		Filler,
+		MatrixController,
+		MatrixElement,
+		zoomPlugin,
+		gradient,
+	);
+
+	// フォントカラー
+	Chart.defaults.color = getComputedStyle(
+		document.documentElement,
+	).getPropertyValue("--fg");
+
+	Chart.defaults.borderColor = defaultStore.state.darkMode
+		? "rgba(255, 255, 255, 0.1)"
+		: "rgba(0, 0, 0, 0.1)";
+
+	Chart.defaults.animation = false;
+}
diff --git a/packages/client/src/scripts/use-chart-tooltip.ts b/packages/client/src/scripts/use-chart-tooltip.ts
index 5ecb0a34fc..13ed0e5710 100644
--- a/packages/client/src/scripts/use-chart-tooltip.ts
+++ b/packages/client/src/scripts/use-chart-tooltip.ts
@@ -1,8 +1,10 @@
-import { onUnmounted, ref } from "vue";
+import { onUnmounted, onDeactivated, ref } from "vue";
 import * as os from "@/os";
 import MkChartTooltip from "@/components/MkChartTooltip.vue";
 
-export function useChartTooltip() {
+export function useChartTooltip(
+	opts: { position: "top" | "middle" } = { position: "top" },
+) {
 	const tooltipShowing = ref(false);
 	const tooltipX = ref(0);
 	const tooltipY = ref(0);
@@ -28,6 +30,10 @@ export function useChartTooltip() {
 		if (disposeTooltipComponent) disposeTooltipComponent();
 	});
 
+	onDeactivated(() => {
+		tooltipShowing.value = false;
+	});
+
 	function handler(context) {
 		if (context.tooltip.opacity === 0) {
 			tooltipShowing.value = false;
@@ -45,7 +51,11 @@ export function useChartTooltip() {
 
 		tooltipShowing.value = true;
 		tooltipX.value = rect.left + window.pageXOffset + context.tooltip.caretX;
-		tooltipY.value = rect.top + window.pageYOffset + context.tooltip.caretY;
+		if (opts.position === "top") {
+			tooltipY.value = rect.top + window.pageYOffset;
+		} else if (opts.position === "middle") {
+			tooltipY.value = rect.top + window.pageYOffset + context.tooltip.caretY;
+		}
 	}
 
 	return {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ee8486978c..7d1c0150f3 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -417,6 +417,7 @@ importers:
       calckey-js: ^0.0.22
       chart.js: 4.1.1
       chartjs-adapter-date-fns: 2.0.1
+      chartjs-chart-matrix: ^2.0.1
       chartjs-plugin-gradient: 0.5.1
       chartjs-plugin-zoom: 1.2.1
       compare-versions: 5.0.3
@@ -464,6 +465,7 @@ importers:
       vuedraggable: 4.1.0
     dependencies:
       '@khmyznikov/pwa-install': 0.2.0
+      chartjs-chart-matrix: 2.0.1_chart.js@4.1.1
     devDependencies:
       '@discordapp/twemoji': 14.0.2
       '@rollup/plugin-alias': 3.1.9_rollup@3.9.1
@@ -1266,7 +1268,6 @@ packages:
 
   /@kurkle/color/0.3.2:
     resolution: {integrity: sha512-fuscdXJ9G1qb7W8VdHi+IwRqij3lBkosAm4ydQtEmbY58OzHXqQhvlxqEkoz0yssNVn38bcpRWgA9PP+OGoisw==}
-    dev: true
 
   /@lit-labs/ssr-dom-shim/1.0.0:
     resolution: {integrity: sha512-ic93MBXfApIFTrup4a70M/+ddD8xdt2zxxj9sRwHQzhS9ag/syqkD8JPdTXsc1gUy2K8TTirhlCqyTEM/sifNw==}
@@ -3387,7 +3388,7 @@ packages:
   /axios/0.25.0_debug@4.3.4:
     resolution: {integrity: sha512-cD8FOb0tRH3uuEe6+evtAbgJtfxr7ly3fQjYcMcuPlgkwVS9xboaVIpcDV+cYQe+yGykgwZCs1pzjntcGa6l5g==}
     dependencies:
-      follow-redirects: 1.15.2
+      follow-redirects: 1.15.2_debug@4.3.4
     transitivePeerDependencies:
       - debug
     dev: true
@@ -4007,7 +4008,6 @@ packages:
     engines: {pnpm: ^7.0.0}
     dependencies:
       '@kurkle/color': 0.3.2
-    dev: true
 
   /chartjs-adapter-date-fns/2.0.1_chart.js@4.1.1:
     resolution: {integrity: sha512-v3WV9rdnQ05ce3A0ZCjzUekJCAbfm6+3HqSoeY2BIkdMYZoYr/4T+ril1tZyDl869lz6xdNVMXejUFT9YKpw4A==}
@@ -4017,6 +4017,14 @@ packages:
       chart.js: 4.1.1
     dev: true
 
+  /chartjs-chart-matrix/2.0.1_chart.js@4.1.1:
+    resolution: {integrity: sha512-BGfeY+/PHnITyDlc7WfnKJ1RyOfgOzIqWp/gxzzl7pUjyoGzHDcw51qd2xJF9gdT9Def7ZwOnOMm8GJUXDxI0w==}
+    peerDependencies:
+      chart.js: '>=3.0.0'
+    dependencies:
+      chart.js: 4.1.1
+    dev: false
+
   /chartjs-plugin-gradient/0.5.1_chart.js@4.1.1:
     resolution: {integrity: sha512-vhwlYGZWan4MGZZ4Wj64Y4aIql1uCPCU1JcggLWn3cgYEv4G7pXp1YgM4XH5ugmyn6BVCgQqAhiJ2h6hppzHmQ==}
     peerDependencies:
@@ -6372,6 +6380,19 @@ packages:
     peerDependenciesMeta:
       debug:
         optional: true
+    dev: false
+
+  /follow-redirects/1.15.2_debug@4.3.4:
+    resolution: {integrity: sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA==}
+    engines: {node: '>=4.0'}
+    peerDependencies:
+      debug: '*'
+    peerDependenciesMeta:
+      debug:
+        optional: true
+    dependencies:
+      debug: 4.3.4
+    dev: true
 
   /for-each/0.3.3:
     resolution: {integrity: sha512-jqYfLp7mo9vIyQf8ykW2v7A+2N4QjeCeI5+Dz9XraiO1ign81wjiH7Fb9vSOWvQfNtmSa4H2RoQTrrXivdUZmw==}