tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
Bazel : Bazel is an open-source build and test tool similar to Make, Maven, and Gradle. It uses a human-readable, high-level build language. Bazel supports pr...
SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS
webhint : webhint is a linting tool that will help you with your site's accessibility, speed, security and more, by checking your code for best practices and co...
Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO and more.