boomerangjs

boomerang always comes back, except when it hits something

v1.815.0 URL: https://unpkg.com/boomerangjs@1.815.0/boomerang.js

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NavigationTiming PerformanceTimeline ResourceTiming ServerTiming UserTiming analytics boomerang performance rum

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