Matomo Heartbeat ((free)) -

sendBeacon(data) // Use sendBeacon for reliable final tracking if (navigator.sendBeacon) const formData = new FormData(); Object.keys(data).forEach(key => formData.append(key, data[key]); ); navigator.sendBeacon('/matomo.php', formData);

destroy() this.stopHeartbeat(); if (this.idleCheckId) clearInterval(this.idleCheckId); this.log('Heartbeat destroyed'); matomo heartbeat

I'll help you develop a Matomo Heartbeat feature. This feature tracks user engagement time more accurately by sending periodic heartbeats to Matomo analytics. 1. JavaScript Heartbeat Tracker // matomo-heartbeat.js class MatomoHeartbeat { constructor(options = {}) this.options = heartbeatInterval: 15, // seconds minVisitLength: 5, // minimum seconds for a valid visit idleTimeout: 30, // seconds of inactivity to stop heartbeat debug: false, ...options ; this.intervalId = null; this.idleCheckId = null; this.lastActivity = Date.now(); this.visitStartTime = null; this.totalEngagedTime = 0; this.isActive = false; this.lastHeartbeatTime = null; this.init(); JavaScript Heartbeat Tracker // matomo-heartbeat

public function getEngagementMetrics($dateFrom, $dateTo) $stmt = $this->db->prepare(" SELECT COUNT(DISTINCT session_id) as total_sessions, SUM(total_engaged_time) as total_engagement_seconds, AVG(total_engaged_time) as avg_engagement_seconds, AVG(heartbeat_count) as avg_heartbeats_per_session, COUNT(CASE WHEN total_engaged_time > 60 THEN 1 END) as long_sessions, COUNT(CASE WHEN total_engaged_time < 10 THEN 1 END) as bounce_sessions FROM matomo_heartbeat_sessions WHERE start_time BETWEEN ? AND ? AND is_active = 0 "); $stmt->execute([$dateFrom, $dateTo]); $metrics = $stmt->fetch(PDO::FETCH_ASSOC); if ($metrics['total_sessions'] > 0) $metrics['bounce_rate'] = ($metrics['bounce_sessions'] / $metrics['total_sessions']) * 100; $metrics['engagement_rate'] = ($metrics['long_sessions'] / $metrics['total_sessions']) * 100; return $metrics; // seconds minVisitLength: 5

stopHeartbeat() if (this.intervalId) clearInterval(this.intervalId); this.intervalId = null; // Calculate engaged time for this session if (this.lastHeartbeatTime) const engagedTime = Math.floor((Date.now() - this.lastHeartbeatTime) / 1000); if (engagedTime >= this.options.minVisitLength) this.totalEngagedTime += engagedTime; this.isActive = false; this.log('Heartbeat stopped');