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

Use formaction, formenctype, formmethod and formnovalidate to change form configuration with button attributes

sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments. - sitespeedio/sitespeed.io

Automated auditing, performance metrics, and best practices for the web. - GoogleChrome/lighthouse

Building a modern custom select with base-select.