Your CDN looks great in tests but European users get 3x slower load times. Your checkout tests perfectly but mobile users abandon carts due to lag. This is why you need RUM. https://requestmetrics.com/web-performance/you-need-rum-to-understand-web-perf/ #WebPerf #UX
requestmetrics.comWhy You Need Real User Monitoring to Really Understand Your Web PerformanceSynthetic testing shows perfect scores, but users complain your site is slow. Real User Monitoring reveals the gap between lab performance and real-world exp...
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