High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.
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📈 A small, fast chart for time series, lines, areas, ohlc & bars
Collect performance metrics for your library/application.
Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.
API Observability. Trace API calls and Monitor API performance, health and usage statistics in Node.js Microservices.
Framework allows to perform load testing with Apache Jmeter, view application/server metrics in real-time with Grafana, analyze errors cause with detailed traces for failed requests, compare different test runs in scripted dashboard and perform frontend performance testing with sitespeed.io+webpagetest
Create HTML canvas graphics without writing code. Just draw with your pointer on the HTML canvas, then get the code to render it.