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
performancecontainertiming api
performanceelementtiming api
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
performanceobserver api
performancepainttiming api
performanceresourcetiming api
performancescripttiming api
performanceservertiming api
performancesoftnavigation api
performancetiming api
performancetiming api: tojson
performance api: clearmarks
performance api: clearmeasures
performance api: eventcounts
performance api: getentries
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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