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Measures time-to-first-byte for single or multiple URLs.
Easily measure performance metrics in JavaScript
A modern, lightweight performance monitoring SDK for web applications. Monitor Core Web Vitals (LCP, FCP, FID, CLS, TTFB) with sendBeacon support.
Measure TTFB, FCB, Dom Load and Window Load events
Optimise the real world performance of your react applications
Replace your template engine with fast JavaScript by leveraging the power of tagged templates.
HTTP client with detailed timing metrics (DNS, connect, TLS, TTFB, TTLB)
Speed up first render of pages in your Next.js application.
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it's measure web application TTFB, DOMLoad, Window Load and other analytics
Fast & simple e2e testing
Test the Time To First Byte from command line
OpenTelemetry instrumentation for browsers with centralized YAML configuration
Performance data capture and analysis toolkit for web applications
beidou example stream
Vue.js 性能监控组件，支持 LCP、FCP、TTFB、CLS 等核心性能指标监控
Generic hook for reporting web vitals metrics to an endpoint
tool to measure metrics like fcp ttfb windowload domload