(function() { // Configuration const PIXEL_ENDPOINT = 'https://pixel.austinhomolka.com/api/track'; // we will change the domainname later on const PIXEL_IDENTIFIER = 'ff769fbb-5370-41e4-b934-d6021e00a4db'; // This should be set when embedding the script, always change to the correct identifier of pixel. const HEARTBEAT_INTERVAL = 10000; // 10 seconds const IDLE_TIMEOUT = 30 * 60 * 1000; // 30 minutes // Utility functions function generateUUID() { return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) { var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8); return v.toString(16); }); } function getUTMParams() { const urlParams = new URLSearchParams(window.location.search); return { utm_source: urlParams.get('utm_source') || '', utm_medium: urlParams.get('utm_medium') || '', utm_campaign: urlParams.get('utm_campaign') || '', utm_term: urlParams.get('utm_term') || '', utm_content: urlParams.get('utm_content') || '' }; } function getDeviceType() { return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ? 'mobile' : 'desktop'; } function getBrowserInfo() { const ua = navigator.userAgent; let browser = "Unknown"; let version = "Unknown"; if (ua.indexOf("Firefox") > -1) { browser = "Firefox"; version = ua.match(/Firefox\/(\d+)/)[1]; } else if (ua.indexOf("Chrome") > -1) { browser = "Chrome"; version = ua.match(/Chrome\/(\d+)/)[1]; } else if (ua.indexOf("Safari") > -1) { browser = "Safari"; version = ua.match(/Version\/(\d+)/)[1]; } else if (ua.indexOf("MSIE") > -1 || ua.indexOf("Trident/") > -1) { browser = "Internet Explorer"; version = ua.match(/(?:MSIE |rv:)(\d+)/)[1]; } return { browser, version }; } // Main tracking object const Tracker = { visitorId: localStorage.getItem('visitorId') || generateUUID(), sessionStartTime: new Date().getTime(), lastActiveTime: new Date().getTime(), totalTimeOnSite: parseInt(localStorage.getItem('totalTimeOnSite') || '0'), isIdle: false, init: function() { localStorage.setItem('visitorId', this.visitorId); this.trackPageView(); this.setupEventListeners(); this.startHeartbeat(); this.trackPerformance(); }, trackPageView: function() { const { browser, version } = getBrowserInfo(); const url = new URL(window.location.href); const data = { type: 'pageview', visitorId: this.visitorId, url: url.origin + url.pathname, // This excludes query, and utm parameters fullUrl: window.location.href, // This includes all query parameters referrer: document.referrer, timestamp: new Date().toISOString(), utmParams: getUTMParams(), deviceType: getDeviceType(), browser: browser, browserVersion: version, screenResolution: `${window.screen.width}x${window.screen.height}`, viewportSize: `${window.innerWidth}x${window.innerHeight}` }; this.sendData(data); }, trackEvent: function(category, action, label, value) { const data = { type: 'event', visitorId: this.visitorId, category: category, action: action, label: label, value: value, timestamp: new Date().toISOString() }; this.sendData(data); }, startHeartbeat: function() { let lastHeartbeatTime = new Date().getTime(); setInterval(() => { const currentTime = new Date().getTime(); const timeSinceLastHeartbeat = currentTime - lastHeartbeatTime; if (document.hidden) { // If the tab is hidden, only update if it's been about 60 seconds if (timeSinceLastHeartbeat <= 60000) { this.updateHeartbeat(currentTime, timeSinceLastHeartbeat); lastHeartbeatTime = currentTime; } } else { // If the tab is active, update normally this.updateHeartbeat(currentTime, timeSinceLastHeartbeat); lastHeartbeatTime = currentTime; } }, HEARTBEAT_INTERVAL); }, updateHeartbeat: function(currentTime, timeSinceLastHeartbeat) { if (currentTime - this.lastActiveTime > IDLE_TIMEOUT) { if (!this.isIdle) { this.isIdle = true; this.trackEvent('session', 'idle', 'user inactive'); } } else { if (this.isIdle) { this.isIdle = false; this.trackEvent('session', 'active', 'user returned'); } this.totalTimeOnSite += Math.round(timeSinceLastHeartbeat / 1000); localStorage.setItem('totalTimeOnSite', this.totalTimeOnSite.toString()); const data = { type: 'heartbeat', visitorId: this.visitorId, totalTimeOnSite: this.totalTimeOnSite, timestamp: new Date().toISOString() }; this.sendData(data); } }, setupEventListeners: function() { // Track clicks document.addEventListener('click', (e) => { this.trackEvent('interaction', 'click', e.target.tagName); this.lastActiveTime = new Date().getTime(); }); // Track form submissions document.addEventListener('submit', (e) => { this.trackEvent('interaction', 'form_submit', e.target.id || 'unknown_form'); this.lastActiveTime = new Date().getTime(); }); // Track video interactions (assuming HTML5 video) document.querySelectorAll('video').forEach(video => { video.addEventListener('play', () => { this.trackEvent('video', 'play', video.src); this.lastActiveTime = new Date().getTime(); }); video.addEventListener('pause', () => { this.trackEvent('video', 'pause', video.src); this.lastActiveTime = new Date().getTime(); }); video.addEventListener('ended', () => { this.trackEvent('video', 'ended', video.src); this.lastActiveTime = new Date().getTime(); }); }); // Track scroll depth let maxScrollDepth = 0; window.addEventListener('scroll', () => { const scrollDepth = Math.round((window.scrollY + window.innerHeight) / document.documentElement.scrollHeight * 100); if (scrollDepth > maxScrollDepth) { maxScrollDepth = scrollDepth; if (maxScrollDepth % 25 === 0) { // Track at 25%, 50%, 75%, 100% this.trackEvent('scroll', 'depth', `${maxScrollDepth}%`); } } this.lastActiveTime = new Date().getTime(); }); // Track page visibility changes document.addEventListener('visibilitychange', () => { if (document.hidden) { this.trackEvent('visibility', 'hidden', 'page not visible'); } else { this.trackEvent('visibility', 'visible', 'page visible'); } }); }, trackPerformance: function() { window.addEventListener('load', () => { setTimeout(() => { const performance = window.performance; if (performance) { const pageNavigation = performance.timing; const pageLoad = pageNavigation.loadEventEnd - pageNavigation.navigationStart; const domReady = pageNavigation.domContentLoadedEventEnd - pageNavigation.navigationStart; this.trackEvent('performance', 'page_load', 'duration', pageLoad); this.trackEvent('performance', 'dom_ready', 'duration', domReady); } }, 0); }); }, sendData: function(data) { data.pixelId = PIXEL_IDENTIFIER fetch(PIXEL_ENDPOINT, { method: 'POST', headers: { 'Content-Type': 'application/json', }, credentials: 'same-origin', body: JSON.stringify(data), }).catch(error => console.error('Error sending tracking data:', error)); } }; // Initialize the tracker Tracker.init(); })();

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