High Resolution Time
E924906
High Resolution Time is a W3C web standard that provides precise, high-resolution timestamps for measuring performance and timing in web applications.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
W3C Recommendation
ⓘ
performance timing specification ⓘ web standard ⓘ |
| addressesLimitationOf | millisecond precision of Date.now() ⓘ |
| apiExample |
performance.now()
ⓘ
performance.timeOrigin ⓘ |
| appliesTo |
Window context
ⓘ
Worker context ⓘ |
| category |
Web APIs
NERFINISHED
ⓘ
Web performance ⓘ |
| compatibleWith |
Navigation Timing specification
NERFINISHED
ⓘ
Performance Timeline specification ⓘ Resource Timing specification NERFINISHED ⓘ User Timing specification NERFINISHED ⓘ |
| defines |
DOMHighResTimeStamp interface
NERFINISHED
ⓘ
performance.now() method ⓘ time origin concept ⓘ |
| exposesAPIThrough |
WorkerGlobalScope.performance
ⓘ
window.performance object ⓘ |
| goal |
enable precise client-side performance measurement
ⓘ
provide consistent timing across user agents ⓘ |
| hasVersion |
Level 1
ⓘ
Level 2 ⓘ Level 3 ⓘ |
| improvesUpon | Date.now() ⓘ |
| partOf | W3C Web Performance specifications NERFINISHED ⓘ |
| provides |
high-resolution timestamps
ⓘ
precise time measurements for web applications ⓘ |
| relatedTo |
Performance interface
ⓘ
PerformanceEntry interface NERFINISHED ⓘ PerformanceObserver interface NERFINISHED ⓘ |
| securityConsideration |
mitigates timing attacks via reduced resolution or jitter
ⓘ
subject to privacy-preserving time precision limits in browsers ⓘ |
| standardizedBy |
W3C
NERFINISHED
ⓘ
World Wide Web Consortium NERFINISHED ⓘ |
| status | Recommendation-level specification in the W3C Web Performance Working Group ⓘ |
| timeResolution |
microsecond precision
ⓘ
sub-millisecond precision ⓘ |
| usedBy |
JavaScript engines
NERFINISHED
ⓘ
web browsers ⓘ web performance monitoring tools ⓘ |
| usedFor |
accurate timing of JavaScript operations
ⓘ
benchmarking web application performance ⓘ measuring network and resource loading times ⓘ measuring performance in web applications ⓘ profiling rendering and layout ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.