A simple utility that clears the terminal screen when you type 'cls', similar to Windows' cls command.
CI gate that checks Core Web Vitals against a performance budget and fails the build on regressions, diffing against a saved baseline. Findings link to explainers on frontend-performance.com.
Evidence-led Lighthouse, Core Web Vitals, bundle, image, and font audits for Claude Code.
make node tls socket client work with cls (continuation-local-storage)
Since Sentry has an issue on trigger web vitals metrics performance tracking. This library is created for solving this by using `web-vitals` callback and perform the Sentry measurement.
Interactive lab demonstrating Core Web Vitals anti-patterns and fixes across 8 real-world performance scenarios, with live metrics overlay.
Continuous local storage for koa and custom jobs (similar to thread context in java) with out of the box support for tracing request/job id
Meet LCP, INP, CLS en TTFB bij je echte bezoekers en toont het 75e percentiel per pagina en per apparaat. Geen cookie, geen externe dienst. Gratis GPL-plugin van theseo.nl.
Microkernel extension procedure for Continuation Local Storage (CLS)
An example showcasing different scenarios that produce different CLS scores.
Arquivo CSL na formatação ABNT com algumas adapatações para a citação de autores antigos.
Rate your LCP, INP and CLS against Google official Core Web Vitals thresholds. Runs in the browser.
Responsive elements with a fixed aspect ratio
Check image dimensions across a whole site. Finds every <img> without width and height, or with the wrong size, prints the exact fix and stops layout shift (CLS). Zero dependencies.
API аудита сайта: Core Web Vitals и скорость загрузки — баллы по четырём категориям, лабораторные метрики, полевые данные живых посетителей и рекомендации по выигрышу. Примеры на Python, TypeScript, Go, Java, C#, PHP. Site performance and Core Web Vitals audit API client.
Diagnoses slow pages down to file and line, then your agent fixes it.
Automatically audit and fix all critical Lighthouse performance issues in a single HTML file. No config needed.
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