A Chrome extension to measure essential metrics for a healthy site

• UpdatedFeb 3, 2025
• CSS

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

• UpdatedSep 15, 2025
• JavaScript

Cheat sheet for extracting information from HAR files using JQ

• UpdatedFeb 27, 2019
• Shell

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

• UpdatedFeb 16, 2022
• Python

🦃 Black Friday Performance Testing Experiment 🙏

• UpdatedJan 29, 2022
• Python

Sitespeed.io web performance test scheduler and management agent

• UpdatedOct 3, 2017
• Go

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

• UpdatedJan 6, 2025
• JavaScript

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

• UpdatedOct 11, 2023
• HTML

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.

• UpdatedNov 15, 2025
• HTML

New CSS property content-visibility || Example Performance Test

• UpdatedMar 7, 2021
• HTML

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

• UpdatedNov 3, 2025

RUBBoS for microservers like RPI64Box

• UpdatedNov 3, 2022
• Java

Experiment to use elastic beats to monitor chrome browser performance

• UpdatedDec 31, 2024
• JavaScript

Livelink and web server analysis, requires Borland VCL and GAKLIB

• UpdatedFeb 19, 2026
• C++

Tests for responsive image syntax

• UpdatedJul 8, 2023
• HTML