diff --git a/tests/unit/config-tabs-ui.test.mjs b/tests/unit/config-tabs-ui.test.mjs
index 6381f0a..575ad90 100644
--- a/tests/unit/config-tabs-ui.test.mjs
+++ b/tests/unit/config-tabs-ui.test.mjs
@@ -13,6 +13,7 @@ test('config template keeps expected config tabs in top and side navigation', ()
     const templateAgentModals = readProjectFile('web-ui/partials/index/modal-config-template-agents.html');
     const openclawModal = readProjectFile('web-ui/partials/index/modal-openclaw-config.html');
     const sessionsPanel = readProjectFile('web-ui/partials/index/panel-sessions.html');
+    const usagePanel = readProjectFile('web-ui/partials/index/panel-usage.html');
     const baseTheme = readProjectFile('web-ui/styles/base-theme.css');
     const controlsForms = readProjectFile('web-ui/styles/controls-forms.css');
     const sideRail = html.match(/<aside class="side-rail"[\s\S]*?<\/aside>/)?.[0] || '';
@@ -56,6 +57,15 @@ test('config template keeps expected config tabs in top and side navigation', ()
     assert.match(html, /sessionTrashCount/);
     assert.match(html, /id="side-tab-market"/);
     assert.match(html, /id="tab-market"/);
+    assert.match(html, /id="side-tab-usage"/);
+    assert.match(html, /id="tab-usage"/);
+    assert.match(html, /data-main-tab="usage"/);
+    assert.match(html, /onMainTabPointerDown\('usage', \$event\)/);
+    assert.match(html, /onMainTabClick\('usage', \$event\)/);
+    assert.match(html, /aria-controls="panel-usage"/);
+    assert.match(html, /:aria-selected="mainTab === 'usage'"/);
+    assert.match(html, /id="panel-usage"/);
+    assert.match(html, /v-show="mainTab === 'usage'"/);
     assert.match(html, /data-main-tab="market"/);
     assert.match(html, /onMainTabPointerDown\('market', \$event\)/);
     assert.match(html, /onMainTabClick\('market', \$event\)/);
@@ -177,15 +187,15 @@ test('config template keeps expected config tabs in top and side navigation', ()
         /:class="\['card', \{ active: currentOpenclawConfig === name \}\]"[\s\S]*@click="applyOpenclawConfig\(name\)"[\s\S]*@keydown\.enter\.self\.prevent="applyOpenclawConfig\(name\)"[\s\S]*@keydown\.space\.self\.prevent="applyOpenclawConfig\(name\)"[\s\S]*tabindex="0"[\s\S]*role="button"[\s\S]*:aria-current="currentOpenclawConfig === name \? 'true' : null"/
     );
     assert.match(html, /class="session-item-copy session-item-pin"/);
-    assert.match(sessionsPanel, /class="sessions-subtabs" role="tablist" aria-label="会话视图切换"/);
-    assert.match(sessionsPanel, /sessionsViewMode === 'browser'/);
-    assert.match(sessionsPanel, /sessionsViewMode === 'usage'/);
-    assert.match(sessionsPanel, /sessionsUsageTimeRange === '7d'/);
-    assert.match(sessionsPanel, /sessionsUsageTimeRange === '30d'/);
-    assert.match(sessionsPanel, /sessionUsageSummaryCards/);
-    assert.match(sessionsPanel, /sessionUsageCharts\.buckets/);
+    assert.doesNotMatch(sessionsPanel, /sessionsViewMode/);
+    assert.doesNotMatch(sessionsPanel, /sessionUsageSummaryCards/);
+    assert.match(usagePanel, /sessionsUsageTimeRange === '7d'/);
+    assert.match(usagePanel, /sessionsUsageTimeRange === '30d'/);
+    assert.match(usagePanel, /sessionUsageSummaryCards/);
+    assert.match(usagePanel, /sessionUsageCharts\.buckets/);
     assert.match(html, /class="pin-icon"/);
     assert.match(html, /:aria-selected="mainTab === 'sessions'"/);
+    assert.match(html, /:aria-selected="mainTab === 'usage'"/);
     assert.match(html, /:aria-selected="mainTab === 'config' && configMode === 'codex'"/);
     assert.match(html, /v-memo="\[activeSessionExportKey === getSessionExportKey\(session\)/);
     assert.match(html, /v-memo="\[msg\.text,\s*msg\.timestamp,\s*msg\.roleLabel,\s*msg\.normalizedRole\]"/);
@@ -284,6 +294,7 @@ test('web ui script defines provider mode metadata for codex only', () => {
     assert.match(appScript, /isMainTabNavActive\(tab\)/);
     assert.match(appScript, /isConfigModeNavActive\(mode\)/);
     assert.match(appScript, /const isLeavingSessions = previousTab === 'sessions' && targetTab !== 'sessions';/);
+    assert.match(appScript, /const enteringSessionDataTab = nextTab === 'sessions' \|\| nextTab === 'usage';/);
     assert.match(appScript, /if \(targetTab === previousTab\) {/);
     assert.match(appScript, /const shouldDeferApply = isLeavingSessions;/);
     assert.match(appScript, /if \(isLeavingSessions && !this\.isSessionPanelFastHidden\(\)\) {/);
diff --git a/tests/unit/session-tab-switch-performance.test.mjs b/tests/unit/session-tab-switch-performance.test.mjs
index e297929..5550e04 100644
--- a/tests/unit/session-tab-switch-performance.test.mjs
+++ b/tests/unit/session-tab-switch-performance.test.mjs
@@ -85,6 +85,39 @@ test('switchMainTab prepares session render and loads sessions only when not loa
     assert.strictEqual(calls.loadSessions, 1);
 });
 
+test('switchMainTab loads sessions for usage tab without preparing session render', () => {
+    const calls = {
+        teardown: 0,
+        prepare: 0,
+        loadSessions: 0
+    };
+    const vm = {
+        mainTab: 'config',
+        configMode: 'codex',
+        sessionsLoadedOnce: false,
+        teardownSessionTabRender() {
+            calls.teardown += 1;
+        },
+        prepareSessionTabRender() {
+            calls.prepare += 1;
+        },
+        loadSessions() {
+            calls.loadSessions += 1;
+            this.sessionsLoadedOnce = true;
+        },
+        refreshClaudeModelContext() {}
+    };
+
+    switchMainTab.call(vm, 'usage');
+    assert.strictEqual(vm.mainTab, 'usage');
+    assert.strictEqual(calls.prepare, 0);
+    assert.strictEqual(calls.loadSessions, 1);
+
+    switchMainTab.call(vm, 'usage');
+    assert.strictEqual(calls.prepare, 0);
+    assert.strictEqual(calls.loadSessions, 1);
+});
+
 test('switchMainTab keeps claude model context refresh behavior', () => {
     let refreshCount = 0;
     const vm = {
diff --git a/tests/unit/web-ui-behavior-parity.test.mjs b/tests/unit/web-ui-behavior-parity.test.mjs
index 09b8fc3..f05bf67 100644
--- a/tests/unit/web-ui-behavior-parity.test.mjs
+++ b/tests/unit/web-ui-behavior-parity.test.mjs
@@ -320,7 +320,9 @@ test('captured bundled app skeleton only exposes expected data key drift versus
     const extraCurrentKeys = currentDataKeys.filter((key) => !headDataKeys.includes(key)).sort();
     const missingCurrentKeys = headDataKeys.filter((key) => !currentDataKeys.includes(key)).sort();
     const allowedExtraCurrentKeys = [];
-    const allowedMissingCurrentKeys = [];
+    const allowedMissingCurrentKeys = [
+        'sessionsViewMode'
+    ];
     if (parityAgainstHead) {
         const allowedExtraKeySet = new Set(allowedExtraCurrentKeys);
         const allowedMissingKeySet = new Set(allowedMissingCurrentKeys);
diff --git a/web-ui/app.js b/web-ui/app.js
index 6c83612..bd7bcb4 100644
--- a/web-ui/app.js
+++ b/web-ui/app.js
@@ -117,7 +117,6 @@ document.addEventListener('DOMContentLoaded', () => {
                 skillsMarketLocalLoadedOnce: false,
                 skillsMarketImportLoadedOnce: false,
                 sessionPinnedMap: {},
-                sessionsViewMode: 'browser',
                 sessionsUsageTimeRange: '7d',
                 sessionsList: [],
                 sessionsLoadedOnce: false,
diff --git a/web-ui/index.html b/web-ui/index.html
index 608b18e..ab34327 100644
--- a/web-ui/index.html
+++ b/web-ui/index.html
@@ -16,6 +16,7 @@
     <!-- @include ./partials/index/panel-config-claude.html -->
     <!-- @include ./partials/index/panel-config-openclaw.html -->
     <!-- @include ./partials/index/panel-sessions.html -->
+    <!-- @include ./partials/index/panel-usage.html -->
     <!-- @include ./partials/index/panel-settings.html -->
     <!-- @include ./partials/index/panel-market.html -->
     <!-- @include ./partials/index/layout-footer.html -->
diff --git a/web-ui/modules/config-mode.computed.mjs b/web-ui/modules/config-mode.computed.mjs
index 66ff776..971ba9f 100644
--- a/web-ui/modules/config-mode.computed.mjs
+++ b/web-ui/modules/config-mode.computed.mjs
@@ -49,6 +49,7 @@ export function createConfigModeComputed() {
         inspectorMainTabLabel() {
             if (this.mainTab === 'config') return '配置中心';
             if (this.mainTab === 'sessions') return '会话浏览';
+            if (this.mainTab === 'usage') return 'Usage';
             if (this.mainTab === 'market') return '技能市场';
             if (this.mainTab === 'settings') return '设置';
             return '未知';
diff --git a/web-ui/partials/index/layout-header.html b/web-ui/partials/index/layout-header.html
index 65893c4..b9a1477 100644
--- a/web-ui/partials/index/layout-header.html
+++ b/web-ui/partials/index/layout-header.html
@@ -83,6 +83,16 @@
                 :class="{ active: isMainTabNavActive('sessions') }"
                 @pointerdown="onMainTabPointerDown('sessions', $event)"
                 @click="onMainTabClick('sessions', $event)">会话浏览</button>
+            <button class="top-tab"
+                id="tab-usage"
+                role="tab"
+                data-main-tab="usage"
+                :tabindex="mainTab === 'usage' ? 0 : -1"
+                :aria-selected="mainTab === 'usage'"
+                aria-controls="panel-usage"
+                :class="{ active: isMainTabNavActive('usage') }"
+                @pointerdown="onMainTabPointerDown('usage', $event)"
+                @click="onMainTabClick('usage', $event)">Usage</button>
             <button class="top-tab"
                 id="tab-market"
                 role="tab"
@@ -198,6 +208,19 @@
                             <span>来源：{{ sessionFilterSource === 'all' ? '全部' : (sessionFilterSource === 'codex' ? 'Codex' : 'Claude') }}</span>
                         </div>
                     </button>
+                    <button
+                        id="side-tab-usage"
+                        data-main-tab="usage"
+                        :aria-current="mainTab === 'usage' ? 'page' : null"
+                        :class="['side-item', { active: isMainTabNavActive('usage') }]"
+                        @pointerdown="onMainTabPointerDown('usage', $event)"
+                        @click="onMainTabClick('usage', $event)">
+                        <div class="side-item-title">Usage</div>
+                        <div class="side-item-meta">
+                            <span>本地统计 / 趋势</span>
+                            <span>范围：{{ sessionsUsageTimeRange === '30d' ? '近 30 天' : '近 7 天' }}</span>
+                        </div>
+                    </button>
                 </div>
 
                 <div class="side-section" role="navigation" aria-label="技能市场">
@@ -236,7 +259,7 @@
             <main class="main-panel">
                 <div class="panel-header" v-if="!sessionStandalone">
                     <h1 class="main-title">
-                        {{ mainTab === 'config' ? '配置中心' : (mainTab === 'sessions' ? '会话浏览' : (mainTab === 'market' ? '技能市场' : '设置')) }}
+                        {{ mainTab === 'config' ? '配置中心' : (mainTab === 'sessions' ? '会话浏览' : (mainTab === 'usage' ? 'Usage' : (mainTab === 'market' ? '技能市场' : '设置'))) }}
                     </h1>
                     <p class="subtitle" v-if="mainTab === 'config'">
                         配置中枢：管理 Codex / Claude / OpenClaw
@@ -245,6 +268,9 @@ <h1 class="main-title">
                     <p class="subtitle" v-else-if="mainTab === 'sessions'">
                         统一查看与导出 Codex / Claude 会话。
                     </p>
+                    <p class="subtitle" v-else-if="mainTab === 'usage'">
+                        单独查看本地会话用量、趋势与高频路径。
+                    </p>
                     <p class="subtitle" v-else-if="mainTab === 'market'">
                         统一管理 Codex / Claude Skills，并聚焦本地导入与分发。
                     </p>
@@ -300,6 +326,20 @@ <h1 class="main-title">
                         <span class="value">{{ sessionsList.length }}</span>
                     </div>
                 </div>
+                <div class="status-strip" v-else-if="!sessionStandalone && mainTab === 'usage'">
+                    <div class="status-chip">
+                        <span class="label">统计范围</span>
+                        <span class="value">{{ sessionsUsageTimeRange === '30d' ? '近 30 天' : '近 7 天' }}</span>
+                    </div>
+                    <div class="status-chip">
+                        <span class="label">总会话数</span>
+                        <span class="value">{{ sessionUsageSummaryCards[0]?.value ?? 0 }}</span>
+                    </div>
+                    <div class="status-chip">
+                        <span class="label">总消息数</span>
+                        <span class="value">{{ sessionUsageSummaryCards[1]?.value ?? 0 }}</span>
+                    </div>
+                </div>
                 <div class="status-strip" v-else-if="!sessionStandalone && mainTab === 'market'">
                     <div class="status-chip">
                         <span class="label">当前目标</span>
diff --git a/web-ui/partials/index/panel-sessions.html b/web-ui/partials/index/panel-sessions.html
index 0e280d3..7350ed5 100644
--- a/web-ui/partials/index/panel-sessions.html
+++ b/web-ui/partials/index/panel-sessions.html
@@ -20,106 +20,7 @@
                         <pre class="session-standalone-text">{{ sessionStandaloneText }}</pre>
                     </div>
                 </div>
-
                 <div v-else>
-                <div class="sessions-subtabs" role="tablist" aria-label="会话视图切换">
-                    <button
-                        class="sessions-subtab"
-                        :class="{ active: sessionsViewMode === 'browser' }"
-                        type="button"
-                        role="tab"
-                        :aria-selected="sessionsViewMode === 'browser'"
-                        @click="sessionsViewMode = 'browser'">
-                        Sessions
-                    </button>
-                    <button
-                        class="sessions-subtab"
-                        :class="{ active: sessionsViewMode === 'usage' }"
-                        type="button"
-                        role="tab"
-                        :aria-selected="sessionsViewMode === 'usage'"
-                        @click="sessionsViewMode = 'usage'">
-                        Usage
-                    </button>
-                </div>
-
-                <div v-if="sessionsViewMode === 'usage'">
-                    <div class="usage-toolbar">
-                        <div class="selector-header" style="padding:0;border:0;background:none;">
-                            <span class="selector-title">本地使用概览</span>
-                        </div>
-                        <div class="usage-range-group" role="group" aria-label="Usage 时间范围">
-                            <button type="button" class="usage-range-btn" :class="{ active: sessionsUsageTimeRange === '7d' }" @click="sessionsUsageTimeRange = '7d'">近 7 天</button>
-                            <button type="button" class="usage-range-btn" :class="{ active: sessionsUsageTimeRange === '30d' }" @click="sessionsUsageTimeRange = '30d'">近 30 天</button>
-                        </div>
-                    </div>
-
-                    <div v-if="!sessionsList.length" class="usage-empty">暂无可用于统计的会话数据</div>
-                    <template v-else>
-                        <div class="usage-summary-grid">
-                            <div v-for="card in sessionUsageSummaryCards" :key="card.key" class="usage-summary-card">
-                                <div class="usage-summary-label">{{ card.label }}</div>
-                                <div class="usage-summary-value">{{ card.value }}</div>
-                            </div>
-                        </div>
-
-                        <div class="usage-chart-grid">
-                            <section class="usage-card">
-                                <div class="usage-card-title">会话趋势</div>
-                                <div class="usage-legend">
-                                    <span><span class="usage-legend-dot" style="background:#4f8cff"></span>Codex</span>
-                                    <span><span class="usage-legend-dot" style="background:#b277ff"></span>Claude</span>
-                                </div>
-                                <div class="usage-bars">
-                                    <div v-for="bucket in sessionUsageCharts.buckets" :key="bucket.key" class="usage-bar-group">
-                                        <div class="usage-bar-stack">
-                                            <div class="usage-bar codex" :style="{ height: ((bucket.codex / Math.max(sessionUsageCharts.maxSessionBucket, 1)) * 100) + '%' }" :title="`Codex ${bucket.codex}`"></div>
-                                            <div class="usage-bar claude" :style="{ height: ((bucket.claude / Math.max(sessionUsageCharts.maxSessionBucket, 1)) * 100) + '%' }" :title="`Claude ${bucket.claude}`"></div>
-                                        </div>
-                                        <div class="usage-bar-label">{{ bucket.label }}</div>
-                                    </div>
-                                </div>
-                            </section>
-
-                            <section class="usage-card">
-                                <div class="usage-card-title">来源占比</div>
-                                <div class="usage-list">
-                                    <div v-for="item in sessionUsageCharts.sourceShare" :key="item.key" class="usage-list-row">
-                                        <div class="usage-list-label">{{ item.label }}</div>
-                                        <div class="usage-progress"><div class="usage-progress-fill" :style="{ width: item.percent + '%' }"></div></div>
-                                        <div class="usage-list-value">{{ item.percent }}%</div>
-                                    </div>
-                                </div>
-                            </section>
-
-                            <section class="usage-card">
-                                <div class="usage-card-title">消息趋势</div>
-                                <div class="usage-bars">
-                                    <div v-for="bucket in sessionUsageCharts.buckets" :key="bucket.key + '-messages'" class="usage-bar-group">
-                                        <div class="usage-bar-stack">
-                                            <div class="usage-bar codex" style="width:100%" :style="{ height: ((bucket.totalMessages / Math.max(sessionUsageCharts.maxMessageBucket, 1)) * 100) + '%' }" :title="`${bucket.totalMessages} messages`"></div>
-                                        </div>
-                                        <div class="usage-bar-label">{{ bucket.label }}</div>
-                                    </div>
-                                </div>
-                            </section>
-
-                            <section class="usage-card">
-                                <div class="usage-card-title">高频路径</div>
-                                <div v-if="!sessionUsageCharts.topPaths.length" class="usage-list-value">暂无路径数据</div>
-                                <div v-else class="usage-list">
-                                    <div v-for="item in sessionUsageCharts.topPaths" :key="item.path" class="usage-list-row">
-                                        <div class="usage-list-label">{{ item.count }} 次</div>
-                                        <div class="usage-progress"><div class="usage-progress-fill" :style="{ width: ((item.count / Math.max(sessionUsageCharts.topPaths[0]?.count || 1, 1)) * 100) + '%' }"></div></div>
-                                        <div class="usage-list-value" :title="item.path">{{ item.path }}</div>
-                                    </div>
-                                </div>
-                            </section>
-                        </div>
-                    </template>
-                </div>
-
-                <template v-else>
                 <div class="selector-section">
                     <div class="selector-header">
                         <span class="selector-title">会话来源</span>
@@ -382,6 +283,5 @@
                     </div>
                 </div>
                 </div>
-                </template>
                 </div>
             </div>
diff --git a/web-ui/partials/index/panel-usage.html b/web-ui/partials/index/panel-usage.html
new file mode 100644
index 0000000..7aa57ee
--- /dev/null
+++ b/web-ui/partials/index/panel-usage.html
@@ -0,0 +1,81 @@
+                <!-- Usage 统计 -->
+                <div
+                    v-show="mainTab === 'usage'"
+                    class="mode-content"
+                    id="panel-usage"
+                    role="tabpanel"
+                    :aria-labelledby="'tab-usage'">
+                    <div class="usage-toolbar">
+                        <div class="selector-header" style="padding:0;border:0;background:none;">
+                            <span class="selector-title">本地使用概览</span>
+                        </div>
+                        <div class="usage-range-group" role="group" aria-label="Usage 时间范围">
+                            <button type="button" class="usage-range-btn" :class="{ active: sessionsUsageTimeRange === '7d' }" @click="sessionsUsageTimeRange = '7d'">近 7 天</button>
+                            <button type="button" class="usage-range-btn" :class="{ active: sessionsUsageTimeRange === '30d' }" @click="sessionsUsageTimeRange = '30d'">近 30 天</button>
+                        </div>
+                    </div>
+
+                    <div v-if="!sessionsList.length" class="usage-empty">暂无可用于统计的会话数据</div>
+                    <template v-else>
+                        <div class="usage-summary-grid">
+                            <div v-for="card in sessionUsageSummaryCards" :key="card.key" class="usage-summary-card">
+                                <div class="usage-summary-label">{{ card.label }}</div>
+                                <div class="usage-summary-value">{{ card.value }}</div>
+                            </div>
+                        </div>
+
+                        <div class="usage-chart-grid">
+                            <section class="usage-card">
+                                <div class="usage-card-title">会话趋势</div>
+                                <div class="usage-legend">
+                                    <span><span class="usage-legend-dot" style="background:#4f8cff"></span>Codex</span>
+                                    <span><span class="usage-legend-dot" style="background:#b277ff"></span>Claude</span>
+                                </div>
+                                <div class="usage-bars">
+                                    <div v-for="bucket in sessionUsageCharts.buckets" :key="bucket.key" class="usage-bar-group">
+                                        <div class="usage-bar-stack">
+                                            <div class="usage-bar codex" :style="{ height: ((bucket.codex / Math.max(sessionUsageCharts.maxSessionBucket, 1)) * 100) + '%' }" :title="`Codex ${bucket.codex}`"></div>
+                                            <div class="usage-bar claude" :style="{ height: ((bucket.claude / Math.max(sessionUsageCharts.maxSessionBucket, 1)) * 100) + '%' }" :title="`Claude ${bucket.claude}`"></div>
+                                        </div>
+                                        <div class="usage-bar-label">{{ bucket.label }}</div>
+                                    </div>
+                                </div>
+                            </section>
+
+                            <section class="usage-card">
+                                <div class="usage-card-title">来源占比</div>
+                                <div class="usage-list">
+                                    <div v-for="item in sessionUsageCharts.sourceShare" :key="item.key" class="usage-list-row">
+                                        <div class="usage-list-label">{{ item.label }}</div>
+                                        <div class="usage-progress"><div class="usage-progress-fill" :style="{ width: item.percent + '%' }"></div></div>
+                                        <div class="usage-list-value">{{ item.percent }}%</div>
+                                    </div>
+                                </div>
+                            </section>
+
+                            <section class="usage-card">
+                                <div class="usage-card-title">消息趋势</div>
+                                <div class="usage-bars">
+                                    <div v-for="bucket in sessionUsageCharts.buckets" :key="bucket.key + '-messages'" class="usage-bar-group">
+                                        <div class="usage-bar-stack">
+                                            <div class="usage-bar codex" style="width:100%" :style="{ height: ((bucket.totalMessages / Math.max(sessionUsageCharts.maxMessageBucket, 1)) * 100) + '%' }" :title="`${bucket.totalMessages} messages`"></div>
+                                        </div>
+                                        <div class="usage-bar-label">{{ bucket.label }}</div>
+                                    </div>
+                                </div>
+                            </section>
+
+                            <section class="usage-card">
+                                <div class="usage-card-title">高频路径</div>
+                                <div v-if="!sessionUsageCharts.topPaths.length" class="usage-list-value">暂无路径数据</div>
+                                <div v-else class="usage-list">
+                                    <div v-for="item in sessionUsageCharts.topPaths" :key="item.path" class="usage-list-row">
+                                        <div class="usage-list-label">{{ item.count }} 次</div>
+                                        <div class="usage-progress"><div class="usage-progress-fill" :style="{ width: ((item.count / Math.max(sessionUsageCharts.topPaths[0]?.count || 1, 1)) * 100) + '%' }"></div></div>
+                                        <div class="usage-list-value" :title="item.path">{{ item.path }}</div>
+                                    </div>
+                                </div>
+                            </section>
+                        </div>
+                    </template>
+                </div>
diff --git a/web-ui/session-helpers.mjs b/web-ui/session-helpers.mjs
index bbc2149..e70e01c 100644
--- a/web-ui/session-helpers.mjs
+++ b/web-ui/session-helpers.mjs
@@ -15,6 +15,7 @@ export function switchMainTab(tab) {
     const nextTab = typeof tab === 'string' ? tab : '';
     const previousTab = this.mainTab;
     const leavingSessions = previousTab === 'sessions' && nextTab !== 'sessions';
+    const enteringSessionDataTab = nextTab === 'sessions' || nextTab === 'usage';
     this.mainTab = nextTab;
 
     if (leavingSessions) {
@@ -40,7 +41,7 @@ export function switchMainTab(tab) {
         }
     }
 
-    if (nextTab === 'sessions' && !this.sessionsLoadedOnce) {
+    if (enteringSessionDataTab && !this.sessionsLoadedOnce) {
         this.loadSessions();
     }
     if (nextTab === 'sessions') {