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document.addEventListener("DOMContentLoaded", function() { const lazyAds = document.querySelectorAll('.adsense-lazy-slot .adsbygoogle'); if ('IntersectionObserver' in window) { const adObserver = new IntersectionObserver(function(entries, observer) { entries.forEach(function(entry) { if (entry.isIntersecting) { const adElement = entry.target; // 1. Inject the core global AdSense script if not already present if (!window.adsbygoogle_loaded) { const script = document.createElement('script'); script.src = "https://googlesyndication.com"; script.async = true; script.crossOrigin = "anonymous"; document.head.appendChild(script); window.adsbygoogle_loaded = true; } // 2. Initialize this specific ad unit (window.adsbygoogle = window.window.adsbygoogle || []).push({}); // Stop watching this element after initialization observer.unobserve(adElement); } }); }, { rootMargin: "200px 0px" // Triggers load 200px before scrolling into view to limit visibility lag }); lazyAds.forEach(function(ad) { adObserver.observe(ad); }); } else { // Fallback for older browsers: Load immediately loadAdSenseFallback(); } }); function loadAdSenseFallback() { const script = document.createElement('script'); script.src = "https://googlesyndication.com"; script.async = true; script.crossOrigin = "anonymous"; document.head.appendChild(script); const lazyAds = document.querySelectorAll('.adsense-lazy-slot .adsbygoogle'); lazyAds.forEach(function() { (window.adsbygoogle = window.adsbygoogle || []).push({}); }); }