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Selim Koç

Selim Koç optimizes Adobe Commerce, Magento, WooCommerce, and enterprise platforms for speed at global scale. With 20+ years of experience from Istanbul to Silicon Valley and Tokyo, he builds cloud-native, distributed systems for high-traffic ecommerce and media websites.

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UX Data and Reports
Initial Time to Interactivity (ITTI): The Metric that Core Web Vitals Misses Initial Time to Interactivity (ITTI): The Metric that Core Web Vitals Misses
Selim Koc proposes a new element-level UX metric - Initial Time to Interactivity (ITTI) - and pressure-tests it with reproducible tests.
Selim Koç Selim Koç