perfume.js

Web performance library for measuring all User-centric performance metrics, including the latest Web Vitals.

v9.4.0 URL: https://unpkg.com/perfume.js@9.4.0/dist/perfume.umd.min.js

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@analytics/perfumejs

Send browser performance metrics to third-party analytics providers

v0.2.1 URL: https://unpkg.com/@analytics/perfumejs@0.2.1/lib/analytics-plugin-perfumejs.cjs.js

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suite-metrics

Easily keep track of metrics for many nested test suites

v2.5.0 URL: https://unpkg.com/suite-metrics@2.5.0/dist/index.js

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test metrics suite benchmark performance time microseconds microtime mocha mocha-metrics jest recursive nested performance-tracking benchmarking execution-time performance-metrics

precise-now

Like `performance.now()` but in nanoseconds.

v3.0.1 URL: https://unpkg.com/precise-now@3.0.1/build/src/main.js

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perfrunner-core

Automated UI performance test tool to measure performance changes for the web apps and sites

v0.13.0-alpha.1 URL: https://unpkg.com/perfrunner-core@0.13.0-alpha.1/dist/index.js

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perfrunner performance fcp first-contentful-paint performance-metrics puppeteer front-end web testing performance-testing