On a landing page with 3 API calls before first meaningful paint: 300ms per call = 900ms total blocking time. Reducing to 80ms: 240ms blocking time. Conversion rate difference at that latency boundary: approximately 12% based on our A/B test data. Performance is a product feature with measurable business impact.
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On a landing page with 3 API calls before first meaningful paint: 300ms per call = 900ms total blocking time. Reducing to 80ms: 240ms blocking time. Conversion rate difference at that latency boundary: approximately 12% based on our A/B test data. Performance is a product feature with measurable business impact.
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