diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6de93027..20ce633d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 ## [Unreleased]
 
 ### Added
+- **Posting analytics**: Best time to post heatmap with day-of-week and hour-of-day breakdown (#165)
+- **Analytics service filter**: Filter heatmap and stats by service type with configurable date range
+- **Analytics service breakdown**: Per-service success rate, failure count, and average posts per day
+- **Analytics AJAX endpoint**: JSON heatmap data for dynamic filtering without page reload
 - **Social image generator**: Generate Open Graph images with article title overlay using PHP GD library (#157)
 - **Social image config**: Background color, text color, overlay style, and site name override in component options (#157)
 - **AI caption generation**: Generate platform-optimized cross-post captions from article content using Claude or OpenAI (#161)
diff --git a/source/packages/com_mokosuitecross/language/en-GB/com_mokosuitecross.ini b/source/packages/com_mokosuitecross/language/en-GB/com_mokosuitecross.ini
index 524392a0..fb5327ec 100644
--- a/source/packages/com_mokosuitecross/language/en-GB/com_mokosuitecross.ini
+++ b/source/packages/com_mokosuitecross/language/en-GB/com_mokosuitecross.ini
@@ -590,3 +590,21 @@ COM_MOKOSUITECROSS_AI_NOT_CONFIGURED="AI is not configured. Go to Options to set
 COM_MOKOSUITECROSS_CONFIG_CATEGORY_RULES="Category Rules"
 COM_MOKOSUITECROSS_CONFIG_CATEGORY_RULES_NOTE="Category Routing"
 COM_MOKOSUITECROSS_CONFIG_CATEGORY_RULES_NOTE_DESC="Category routing rules let you map Joomla categories to specific cross-post services. When rules exist for a category, only those services receive posts. When no rules exist, all services are used (default behaviour). Rules are managed in the database table #__mokosuitecross_category_rules. A full admin UI will be added in a future release."
+
+; Posting Analytics
+COM_MOKOSUITECROSS_ANALYTICS_FILTER_SERVICE="Service"
+COM_MOKOSUITECROSS_ANALYTICS_ALL_SERVICES="All Services"
+COM_MOKOSUITECROSS_ANALYTICS_PERIOD="Period"
+COM_MOKOSUITECROSS_ANALYTICS_BEST_TIMES="Best Times to Post"
+COM_MOKOSUITECROSS_ANALYTICS_POSTS_COUNT="%d posts"
+COM_MOKOSUITECROSS_ANALYTICS_HEATMAP="Posting Heatmap"
+COM_MOKOSUITECROSS_ANALYTICS_NO_DATA="No posting data available for the selected period."
+COM_MOKOSUITECROSS_ANALYTICS_LESS="Less"
+COM_MOKOSUITECROSS_ANALYTICS_MORE="More"
+COM_MOKOSUITECROSS_ANALYTICS_SERVICE_BREAKDOWN="Service Breakdown"
+COM_MOKOSUITECROSS_ANALYTICS_SERVICE="Service"
+COM_MOKOSUITECROSS_ANALYTICS_TOTAL="Total"
+COM_MOKOSUITECROSS_ANALYTICS_SUCCESS="Success"
+COM_MOKOSUITECROSS_ANALYTICS_FAILED="Failed"
+COM_MOKOSUITECROSS_ANALYTICS_SUCCESS_RATE="Success Rate"
+COM_MOKOSUITECROSS_ANALYTICS_AVG_PER_DAY="Avg/Day"
diff --git a/source/packages/com_mokosuitecross/src/Controller/AnalyticsController.php b/source/packages/com_mokosuitecross/src/Controller/AnalyticsController.php
new file mode 100644
index 00000000..9189243b
--- /dev/null
+++ b/source/packages/com_mokosuitecross/src/Controller/AnalyticsController.php
@@ -0,0 +1,52 @@
+<?php
+
+/**
+ * @package     MokoSuiteCross
+ * @subpackage  com_mokosuitecross
+ * @author      Moko Consulting <hello@mokoconsulting.tech>
+ * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
+ * @license     GNU General Public License version 3 or later; see LICENSE
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+namespace Joomla\Component\MokoSuiteCross\Administrator\Controller;
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\MVC\Controller\BaseController;
+use Joomla\CMS\Session\Session;
+use Joomla\Component\MokoSuiteCross\Administrator\Helper\AnalyticsHelper;
+
+class AnalyticsController extends BaseController
+{
+    public function getHeatmapData(): void
+    {
+        if (!Session::checkToken('get')) {
+            echo json_encode(['success' => false, 'error' => 'Invalid token']);
+            $this->app->close();
+
+            return;
+        }
+
+        if (!$this->app->getIdentity()->authorise('core.manage', 'com_mokosuitecross')) {
+            echo json_encode(['success' => false, 'error' => 'Permission denied']);
+            $this->app->close();
+
+            return;
+        }
+
+        $serviceType = $this->input->getCmd('service_type', '');
+        $days        = $this->input->getInt('days', 90);
+
+        $heatmap   = AnalyticsHelper::getPostingHeatmap($serviceType, $days);
+        $bestTimes = AnalyticsHelper::getBestTimes($serviceType, $days);
+
+        $this->app->setHeader('Content-Type', 'application/json; charset=utf-8');
+        echo json_encode([
+            'success'    => true,
+            'heatmap'    => $heatmap,
+            'best_times' => $bestTimes,
+        ]);
+        $this->app->close();
+    }
+}
diff --git a/source/packages/com_mokosuitecross/src/Helper/AnalyticsHelper.php b/source/packages/com_mokosuitecross/src/Helper/AnalyticsHelper.php
new file mode 100644
index 00000000..a2b324ff
--- /dev/null
+++ b/source/packages/com_mokosuitecross/src/Helper/AnalyticsHelper.php
@@ -0,0 +1,160 @@
+<?php
+
+/**
+ * @package     MokoSuiteCross
+ * @subpackage  com_mokosuitecross
+ * @author      Moko Consulting <hello@mokoconsulting.tech>
+ * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
+ * @license     GNU General Public License version 3 or later; see LICENSE
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+namespace Joomla\Component\MokoSuiteCross\Administrator\Helper;
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+
+class AnalyticsHelper
+{
+    private static array $dayNames = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
+
+    public static function getPostingHeatmap(string $serviceType = '', int $days = 90): array
+    {
+        $db = Factory::getDbo();
+
+        $query = $db->getQuery(true)
+            ->select('DAYOFWEEK(' . $db->quoteName('p.posted_at') . ') - 1 AS dow')
+            ->select('HOUR(' . $db->quoteName('p.posted_at') . ') AS hr')
+            ->select('COUNT(*) AS cnt')
+            ->from($db->quoteName('#__mokosuitecross_posts', 'p'))
+            ->where($db->quoteName('p.status') . ' = ' . $db->quote('posted'))
+            ->where($db->quoteName('p.posted_at') . ' IS NOT NULL');
+
+        if ($days > 0) {
+            $since = Factory::getDate('now - ' . $days . ' days')->toSql();
+            $query->where($db->quoteName('p.posted_at') . ' >= ' . $db->quote($since));
+        }
+
+        if ($serviceType !== '') {
+            $query->join('INNER', $db->quoteName('#__mokosuitecross_services', 's') . ' ON ' . $db->quoteName('s.id') . ' = ' . $db->quoteName('p.service_id'))
+                ->where($db->quoteName('s.service_type') . ' = ' . $db->quote($serviceType));
+        }
+
+        $query->group('dow, hr')
+            ->order('dow ASC, hr ASC');
+
+        $db->setQuery($query);
+        $rows = $db->loadObjectList();
+
+        $grid = [];
+
+        for ($d = 0; $d < 7; $d++) {
+            $grid[$d] = array_fill(0, 24, 0);
+        }
+
+        foreach ($rows as $row) {
+            $grid[(int) $row->dow][(int) $row->hr] = (int) $row->cnt;
+        }
+
+        return $grid;
+    }
+
+    public static function getBestTimes(string $serviceType = '', int $days = 90, int $limit = 5): array
+    {
+        $grid  = self::getPostingHeatmap($serviceType, $days);
+        $slots = [];
+
+        foreach ($grid as $dow => $hours) {
+            foreach ($hours as $hour => $count) {
+                if ($count > 0) {
+                    $slots[] = [
+                        'day'   => self::$dayNames[$dow],
+                        'hour'  => $hour,
+                        'count' => $count,
+                        'label' => self::$dayNames[$dow] . ' ' . self::formatHour($hour),
+                    ];
+                }
+            }
+        }
+
+        usort($slots, static fn($a, $b) => $b['count'] <=> $a['count']);
+
+        return \array_slice($slots, 0, $limit);
+    }
+
+    public static function getServiceBreakdown(int $days = 30): array
+    {
+        $db = Factory::getDbo();
+
+        $query = $db->getQuery(true)
+            ->select($db->quoteName('s.service_type'))
+            ->select($db->quoteName('s.title', 'service_title'))
+            ->select('COUNT(*) AS total')
+            ->select('SUM(CASE WHEN ' . $db->quoteName('p.status') . ' = ' . $db->quote('posted') . ' THEN 1 ELSE 0 END) AS success')
+            ->select('SUM(CASE WHEN ' . $db->quoteName('p.status') . ' = ' . $db->quote('failed') . ' THEN 1 ELSE 0 END) AS failed')
+            ->from($db->quoteName('#__mokosuitecross_posts', 'p'))
+            ->join('INNER', $db->quoteName('#__mokosuitecross_services', 's') . ' ON ' . $db->quoteName('s.id') . ' = ' . $db->quoteName('p.service_id'));
+
+        if ($days > 0) {
+            $since = Factory::getDate('now - ' . $days . ' days')->toSql();
+            $query->where($db->quoteName('p.created') . ' >= ' . $db->quote($since));
+        }
+
+        $query->group($db->quoteName(['s.service_type', 's.title']))
+            ->order('total DESC');
+
+        $db->setQuery($query);
+        $rows = $db->loadObjectList();
+
+        $result = [];
+
+        foreach ($rows as $row) {
+            $total   = (int) $row->total;
+            $success = (int) $row->success;
+            $result[] = [
+                'service_type'  => $row->service_type,
+                'service_title' => $row->service_title,
+                'total'         => $total,
+                'success'       => $success,
+                'failed'        => (int) $row->failed,
+                'success_rate'  => $total > 0 ? round(($success / $total) * 100, 1) : 0.0,
+                'avg_per_day'   => $days > 0 ? round($total / $days, 1) : 0.0,
+            ];
+        }
+
+        return $result;
+    }
+
+    public static function getServiceTypes(): array
+    {
+        $db = Factory::getDbo();
+
+        $query = $db->getQuery(true)
+            ->select('DISTINCT ' . $db->quoteName('service_type'))
+            ->from($db->quoteName('#__mokosuitecross_services'))
+            ->where($db->quoteName('published') . ' = 1')
+            ->order($db->quoteName('service_type') . ' ASC');
+
+        $db->setQuery($query);
+
+        return $db->loadColumn() ?: [];
+    }
+
+    private static function formatHour(int $hour): string
+    {
+        if ($hour === 0) {
+            return '12:00 AM';
+        }
+
+        if ($hour < 12) {
+            return $hour . ':00 AM';
+        }
+
+        if ($hour === 12) {
+            return '12:00 PM';
+        }
+
+        return ($hour - 12) . ':00 PM';
+    }
+}
diff --git a/source/packages/com_mokosuitecross/src/View/Analytics/HtmlView.php b/source/packages/com_mokosuitecross/src/View/Analytics/HtmlView.php
new file mode 100644
index 00000000..f2742736
--- /dev/null
+++ b/source/packages/com_mokosuitecross/src/View/Analytics/HtmlView.php
@@ -0,0 +1,63 @@
+<?php
+
+/**
+ * @package     MokoSuiteCross
+ * @subpackage  com_mokosuitecross
+ * @author      Moko Consulting <hello@mokoconsulting.tech>
+ * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
+ * @license     GNU General Public License version 3 or later; see LICENSE
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+namespace Joomla\Component\MokoSuiteCross\Administrator\View\Analytics;
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
+use Joomla\CMS\Router\Route;
+use Joomla\CMS\Toolbar\Toolbar;
+use Joomla\CMS\Toolbar\ToolbarHelper;
+use Joomla\Component\MokoSuiteCross\Administrator\Helper\AnalyticsHelper;
+use Joomla\Component\MokoSuiteCross\Administrator\Helper\MokoSuiteCrossHelper;
+
+class HtmlView extends BaseHtmlView
+{
+    public array $heatmap = [];
+    public array $bestTimes = [];
+    public array $serviceBreakdown = [];
+    public array $serviceTypes = [];
+    public string $serviceFilter = '';
+    public int $days = 90;
+
+    public function display($tpl = null): void
+    {
+        $input = Factory::getApplication()->input;
+
+        $this->serviceFilter    = $input->getCmd('service_type', '');
+        $this->days             = $input->getInt('days', 90);
+        $this->heatmap          = AnalyticsHelper::getPostingHeatmap($this->serviceFilter, $this->days);
+        $this->bestTimes        = AnalyticsHelper::getBestTimes($this->serviceFilter, $this->days);
+        $this->serviceBreakdown = AnalyticsHelper::getServiceBreakdown($this->days);
+        $this->serviceTypes     = AnalyticsHelper::getServiceTypes();
+
+        $this->addToolbar();
+
+        MokoSuiteCrossHelper::addSubmenu('analytics');
+
+        parent::display($tpl);
+    }
+
+    protected function addToolbar(): void
+    {
+        ToolbarHelper::title('MokoSuiteCross -- Posting Analytics', 'chart');
+
+        $toolbar = Toolbar::getInstance('toolbar');
+        $toolbar->appendButton(
+            'Link',
+            'home',
+            'COM_MOKOSUITECROSS_SUBMENU_DASHBOARD',
+            Route::_('index.php?option=com_mokosuitecross&view=dashboard', false)
+        );
+    }
+}
diff --git a/source/packages/com_mokosuitecross/tmpl/analytics/default.php b/source/packages/com_mokosuitecross/tmpl/analytics/default.php
new file mode 100644
index 00000000..5484fcbd
--- /dev/null
+++ b/source/packages/com_mokosuitecross/tmpl/analytics/default.php
@@ -0,0 +1,169 @@
+<?php
+
+/**
+ * @package     MokoSuiteCross
+ * @subpackage  com_mokosuitecross
+ * @author      Moko Consulting <hello@mokoconsulting.tech>
+ * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
+ * @license     GNU General Public License version 3 or later; see LICENSE
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Language\Text;
+use Joomla\CMS\Router\Route;
+
+/** @var \Joomla\Component\MokoSuiteCross\Administrator\View\Analytics\HtmlView $this */
+
+$dayNames = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
+
+$maxCount = 0;
+foreach ($this->heatmap as $hours) {
+    $dayMax = max($hours);
+    if ($dayMax > $maxCount) {
+        $maxCount = $dayMax;
+    }
+}
+?>
+
+<form action="<?php echo Route::_('index.php?option=com_mokosuitecross&view=analytics'); ?>" method="get" class="mb-4">
+    <input type="hidden" name="option" value="com_mokosuitecross">
+    <input type="hidden" name="view" value="analytics">
+    <div class="row g-2 align-items-end">
+        <div class="col-auto">
+            <label class="form-label" for="filter_service_type"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_FILTER_SERVICE'); ?></label>
+            <select id="filter_service_type" name="service_type" class="form-select" onchange="this.form.submit();">
+                <option value=""><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_ALL_SERVICES'); ?></option>
+                <?php foreach ($this->serviceTypes as $type) : ?>
+                    <option value="<?php echo $this->escape($type); ?>"<?php if ($this->serviceFilter === $type) echo ' selected'; ?>>
+                        <?php echo $this->escape(ucfirst($type)); ?>
+                    </option>
+                <?php endforeach; ?>
+            </select>
+        </div>
+        <div class="col-auto">
+            <label class="form-label" for="filter_days"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_PERIOD'); ?></label>
+            <select id="filter_days" name="days" class="form-select" onchange="this.form.submit();">
+                <?php foreach ([30 => '30 days', 60 => '60 days', 90 => '90 days', 180 => '180 days', 365 => '1 year'] as $val => $label) : ?>
+                    <option value="<?php echo $val; ?>"<?php if ($this->days === $val) echo ' selected'; ?>><?php echo $label; ?></option>
+                <?php endforeach; ?>
+            </select>
+        </div>
+    </div>
+</form>
+
+<?php if (!empty($this->bestTimes)) : ?>
+<div class="card mb-4">
+    <div class="card-header">
+        <h3 class="card-title mb-0"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_BEST_TIMES'); ?></h3>
+    </div>
+    <div class="card-body">
+        <div class="row">
+            <?php foreach ($this->bestTimes as $i => $slot) : ?>
+                <div class="col-sm-6 col-md-4 col-lg mb-2">
+                    <div class="border rounded p-3 text-center">
+                        <div class="fw-bold text-primary">#<?php echo $i + 1; ?></div>
+                        <div class="fs-5 fw-semibold"><?php echo $this->escape($slot['label']); ?></div>
+                        <div class="text-muted"><?php echo Text::sprintf('COM_MOKOSUITECROSS_ANALYTICS_POSTS_COUNT', $slot['count']); ?></div>
+                    </div>
+                </div>
+            <?php endforeach; ?>
+        </div>
+    </div>
+</div>
+<?php endif; ?>
+
+<div class="card mb-4">
+    <div class="card-header">
+        <h3 class="card-title mb-0"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_HEATMAP'); ?></h3>
+    </div>
+    <div class="card-body">
+        <?php if ($maxCount === 0) : ?>
+            <div class="alert alert-info"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_NO_DATA'); ?></div>
+        <?php else : ?>
+            <div class="table-responsive">
+                <table class="table table-bordered table-sm text-center" style="font-size: 0.8rem;">
+                    <thead>
+                        <tr>
+                            <th></th>
+                            <?php for ($h = 0; $h < 24; $h++) : ?>
+                                <th class="px-1"><?php echo $h; ?></th>
+                            <?php endfor; ?>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        <?php foreach ($dayNames as $d => $dayName) : ?>
+                            <tr>
+                                <th class="text-nowrap"><?php echo $dayName; ?></th>
+                                <?php for ($h = 0; $h < 24; $h++) : ?>
+                                    <?php
+                                    $count     = $this->heatmap[$d][$h];
+                                    $intensity = $maxCount > 0 ? $count / $maxCount : 0;
+                                    $bg        = '';
+
+                                    if ($count > 0) {
+                                        $alpha = 0.15 + ($intensity * 0.85);
+                                        $bg    = 'background-color: rgba(13, 110, 253, ' . round($alpha, 2) . '); color: ' . ($alpha > 0.6 ? '#fff' : '#000') . ';';
+                                    }
+                                    ?>
+                                    <td style="<?php echo $bg; ?>" title="<?php echo $dayName . ' ' . $h . ':00 - ' . $count . ' posts'; ?>">
+                                        <?php echo $count ?: ''; ?>
+                                    </td>
+                                <?php endfor; ?>
+                            </tr>
+                        <?php endforeach; ?>
+                    </tbody>
+                </table>
+            </div>
+            <div class="d-flex align-items-center mt-2 small text-muted">
+                <span class="me-2"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_LESS'); ?></span>
+                <?php for ($i = 0; $i <= 4; $i++) : ?>
+                    <?php $alpha = $i === 0 ? 0 : 0.15 + ($i / 4) * 0.85; ?>
+                    <span style="display:inline-block;width:16px;height:16px;border:1px solid #dee2e6;<?php echo $i > 0 ? 'background-color:rgba(13,110,253,' . round($alpha, 2) . ')' : ''; ?>" class="me-1"></span>
+                <?php endfor; ?>
+                <span class="ms-1"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_MORE'); ?></span>
+            </div>
+        <?php endif; ?>
+    </div>
+</div>
+
+<?php if (!empty($this->serviceBreakdown)) : ?>
+<div class="card mb-4">
+    <div class="card-header">
+        <h3 class="card-title mb-0"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_SERVICE_BREAKDOWN'); ?></h3>
+    </div>
+    <div class="card-body">
+        <div class="table-responsive">
+            <table class="table table-striped">
+                <thead>
+                    <tr>
+                        <th><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_SERVICE'); ?></th>
+                        <th class="text-center"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_TOTAL'); ?></th>
+                        <th class="text-center"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_SUCCESS'); ?></th>
+                        <th class="text-center"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_FAILED'); ?></th>
+                        <th class="text-center"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_SUCCESS_RATE'); ?></th>
+                        <th class="text-center"><?php echo Text::_('COM_MOKOSUITECROSS_ANALYTICS_AVG_PER_DAY'); ?></th>
+                    </tr>
+                </thead>
+                <tbody>
+                    <?php foreach ($this->serviceBreakdown as $row) : ?>
+                        <tr>
+                            <td><?php echo $this->escape($row['service_title']); ?> <span class="text-muted">(<?php echo $this->escape($row['service_type']); ?>)</span></td>
+                            <td class="text-center"><?php echo $row['total']; ?></td>
+                            <td class="text-center text-success"><?php echo $row['success']; ?></td>
+                            <td class="text-center text-danger"><?php echo $row['failed']; ?></td>
+                            <td class="text-center">
+                                <span class="badge <?php echo $row['success_rate'] >= 90 ? 'bg-success' : ($row['success_rate'] >= 70 ? 'bg-warning' : 'bg-danger'); ?>">
+                                    <?php echo $row['success_rate']; ?>%
+                                </span>
+                            </td>
+                            <td class="text-center"><?php echo $row['avg_per_day']; ?></td>
+                        </tr>
+                    <?php endforeach; ?>
+                </tbody>
+            </table>
+        </div>
+    </div>
+</div>
+<?php endif; ?>