Google Lighthouse
Description: Google Lighthouse is an open-source automated tool for improving web page quality. It audits for performance, accessibility, progressive web apps, SEO and more.
Type: software
Pricing: Open Source
tcpdump
Description: tcpdump is a command-line network monitoring and data acquisition tool used to capture packet data flowing over a network. It can intercept and log traffic passing over a digital network or part of a network.
Type: software
Pricing: Free