timing.js

Navigation Timing API measurement helpers

v1.2.0 URL: https://unpkg.com/timing.js@1.2.0/timing.js

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user-timing user timing

performance-node

Performance (User Timing API) for Node.js

v0.2.0 URL: https://unpkg.com/performance-node@0.2.0/dist/index.js

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performance usertiming user-timing hrtime metrics

@sumup/performance-observer

Generic PerformanceObserver API wrapper for measuring performance metrics

v1.0.2 URL: https://unpkg.com/@sumup/performance-observer@1.0.2/dist/performance-observer.es5.umd.min.js

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performance web-vitals custom metrics first-contentful-paint first-paint first-input-delay largest-contentful-paint cumulative-layout-shift time-to-first-byte element-timing navigation-timing resource-timing user-timing longtask

@meetup/ux-capture

Browser instrumentation helper that makes it easier to capture UX speed metrics

v4.3.5 URL: https://unpkg.com/@meetup/ux-capture@4.3.5/lib/ux-capture.min.js

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webperf perfmatters web performance ux speed user-timing

@ux-capture/ux-capture

Browser instrumentation helper that makes it easier to capture UX speed metrics

v4.6.0 URL: https://unpkg.com/@ux-capture/ux-capture@4.6.0/lib/ux-capture.min.js

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webperf perfmatters web performance ux speed user-timing