Mobile Web Performance and User Experience
summary
Radware user research tests ecommerce and travel sites with users wearing physiological and eye‑tracking gear and finds concrete effects: 55% of online retail traffic is mobile, adding a 500 ms network delay raises frustration by 26% and reduces emotional engagement by 8%. Median smartphone pages load in about 8 seconds (goal <4s). Faster rendering sometimes increases frustration when pages dump too many visual elements at once, so design and performance must be tuned together.
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