Page Load Timer
Measure page load time and web vitals in one click
什麼是 Page Load Timer？
Page Load Timer shows you exactly how fast any webpage loads. Get Page Load time, First Contentful Paint (FCP), and Largest Contentful Paint (LCP) at a glance, plus a phase-by-phase load timeline and the top 10 slowest resources. Zero dependencies, under 15 KB. Works on any tab, supports light/dark/auto themes and saves your preferences. A clean tool for developers, QA engineers, and anyone who cares about web performance. Already featured on the Chrome Web Store and trusted by real users.
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