A Chrome extension to measure essential metrics for a healthy site

Soak test your single page web-app (SPA) for memory leaks at high speed, with Playwright.

Framework allows to perform frontend performance testing with sitespeed.io + webpagetest, view application/server metrics in real-time with Grafana.

Cheat sheet for extracting information from HAR files using JQ

PageLab enables web performance, accessibility, SEO, etc testing at scale.

🦃 Black Friday Performance Testing Experiment 🙏

Sitespeed.io web performance test scheduler and management agent

Plug’n'Play stack for testing and monitoring web applications from user perspective.

Research: Accessibility And Performance Evaluation Of Federal University Websites In Nigeria.

Static web page with some typical performance issues. A exercise for students of my lecture Rich Media Systems at Stuttgart Media University is to find these issues and improve the loading experience for the users.

A repeatable, scriptable website-audit pipeline (security, TLS, SEO, accessibility, performance, responsive UI) that produces a client-ready PDF report.. This tool is best used with your preferred AI assistant, was designed with Claude Code in mind

Open-source bufferbloat test for measuring internet responsiveness under load.

New CSS property content-visibility || Example Performance Test

A performance benchmark comparing website analytics providers by script size and download speed. Includes Spiderseek, Google Analytics 4, Plausible, Matomo, Simple Analytics, and Fathom.

Experiment to use elastic beats to monitor chrome browser performance

Livelink and web server analysis, requires Borland VCL and GAKLIB

RUBBoS for microservers like RPI64Box

Code behind the exam thesis

Tests for responsive image syntax