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360 Tech Engineering
360 Tech Engineering
Sep 5, 2018 · Frontend Development

Advanced Web Performance Measurement Techniques Using the Performance API

This article explains how web developers can obtain high‑precision, monotonic timestamps and detailed performance metrics—such as resource loading, navigation timing, user‑timing marks, long‑task detection, and first‑paint measurements—by leveraging the W3C Performance API and related specifications.

High Resolution TimeLong TasksPaint Timing
0 likes · 24 min read
Advanced Web Performance Measurement Techniques Using the Performance API
360 Tech Engineering
360 Tech Engineering
Aug 28, 2018 · Frontend Development

Measuring Frontend Performance with Performance Timeline and User Timing APIs

This article guides front‑end developers through the W3C Performance Timeline and User Timing specifications, demonstrating how to use performance.mark, performance.measure, and PerformanceObserver APIs—including async/await patterns—to accurately profile and monitor code execution across browsers.

JavaScriptPerformancePerformance Timeline
0 likes · 11 min read
Measuring Frontend Performance with Performance Timeline and User Timing APIs