google analytics detection 2

https://searchenginerankingfactorsinfo.valiantfield.com/posts/understanding-the-core-search-engine-ranking-factors-that-drive-organic-traffic

When a site loads faster than you'd expect, it might be running Google Analytics detection to see if you're using an ad blocker. This sneaky script checks for missing JavaScript or cookies before the page fully renders, letting the site decide if it should serve you a stripped-down version or a polite nudge to disable your blocker.