High Resolution Time API
Method to provide the current time in sub-millisecond resolution and such that it is not subject to system clock skew or adjustments. Called using `performance.now()`
Network Information API
The Network Information API enables web applications to access information about the network connection in use by the device. Accessed via `navigator.connection`
Resource Timing (basic support)
Method to help web developers to collect complete timing information related to resources on a document.
User Timing API
Method to help web developers measure the performance of their applications by giving them access to high precision timestamps.
performance api
performanceelementtiming api
performanceelementtiming api: id
performanceelementtiming api: url
performanceentry api
performanceentry api: duration
performanceentry api: entrytype
performanceentry api: name
performanceentry api: starttime
performanceentry api: tojson
performanceeventtiming api
performancelongtasktiming api
performancemark api
performancemark api: detail
performancemeasure api
performancemeasure api: detail
performancenavigation api
performancenavigationtiming api
performancenavigation api: tojson
performancenavigation api: type
performanceobserver api
performanceobserverentrylist api
performanceobserver api: observe
performancepainttiming api
performanceresourcetiming api
performancescripttiming api
performanceservertiming api
performanceservertiming api: name
performancetiming api
performancetiming api: domloading
performancetiming api: fetchstart
performancetiming api: tojson
performance api: clearmarks
performance api: clearmeasures
performance api: eventcounts
performance api: getentries
performance api: getentriesbyname
performance api: getentriesbytype
performance api: mark
performance api: measure
performance api: memory
performance api: navigation
performance api: now
performance api: timeorigin
performance api: timing
performance api: tojson
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