The Web Performance API allows web pages access to certain functions for measuring the performance of web pages and web applications, including the Navigation Timing API and high-resolution time data.
- Maps a
DOMHighResTimeStampto a specified name representing the number of milliseconds elapsed since a reference instant.
- Returns a
DOMHighResTimeStamprepresenting the number of milliseconds elapsed since a reference instant.
- Is a
PerformanceTimingobject containing latency-related performance information.
- Is a
PerformanceNavigationobject representing the type of navigation that occurs in the given browsing context, like the number of redirections needed to fetch the resource.
- A non-standard extension added in Chrome.