PerformanceObserver
E1515581
UNEXPLORED
PerformanceObserver is a Web Performance API interface that lets developers asynchronously observe and react to performance entry events, such as resource loads and long tasks, in the browser.
All labels observed (3)
| Label | Occurrences |
|---|---|
| PerformanceObserver canonical | 1 |
| PerformanceObserver API | 1 |
| PerformanceObserver interface | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22041254 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PerformanceObserver Context triple: [Web Performance API, exposesInterface, PerformanceObserver]
-
A.
Web performance API
The Web performance API is a set of browser interfaces that enable precise measurement, analysis, and optimization of web page and application performance.
-
B.
Performance Insights
Performance Insights is an Amazon Web Services database performance monitoring and tuning tool that helps analyze and optimize database workloads.
-
C.
Profiler
Profiler is a performance analysis tool in Android development used to monitor and optimize an app’s CPU, memory, network, and energy usage in real time.
-
D.
Profiler
Profiler is an American crime drama television series centered on a forensic psychologist who uses her profiling skills to help law enforcement track down serial killers and other dangerous criminals.
-
E.
Performance Tracker
Performance Tracker is an annual analysis by the Institute for Government that assesses how effectively UK public services are performing and being managed.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PerformanceObserver Target entity description: PerformanceObserver is a Web Performance API interface that lets developers asynchronously observe and react to performance entry events, such as resource loads and long tasks, in the browser.
-
A.
Web performance API
The Web performance API is a set of browser interfaces that enable precise measurement, analysis, and optimization of web page and application performance.
-
B.
Performance Insights
Performance Insights is an Amazon Web Services database performance monitoring and tuning tool that helps analyze and optimize database workloads.
-
C.
Profiler
Profiler is a performance analysis tool in Android development used to monitor and optimize an app’s CPU, memory, network, and energy usage in real time.
-
D.
Profiler
Profiler is an American crime drama television series centered on a forensic psychologist who uses her profiling skills to help law enforcement track down serial killers and other dangerous criminals.
-
E.
Performance Tracker
Performance Tracker is an annual analysis by the Institute for Government that assesses how effectively UK public services are performing and being managed.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Web performance API
subject linked to:
Web performance API
linked to: PerformanceObserver
linked to: PerformanceObserver