Alex Petrov

Web performance engineer who treats every millisecond as a personal challenge. Has profiled more sites than he can count.

Články od Alex Petrov

Tutoriály Aug 04, 2026Advanced

Speculation Rules API v Chrome 121+ prakticky: prefetch vs prerender, eagerness, No-Vary-Search a debugging cez DevTools s produkčným kódom.

Alex Petrov 13 min čítania