This product is a tool that allows users to look up HTML5, CSS3, and other web technology features to determine if they are ready for use and how to implement them, whether through polyfills, fallbacks, or as they are. The tool provides guidance on installation, dependencies, and getting started with generating HTML pages and creating markdown files for each feature.
Gulp.js is an old but popular site building tool that automates various repetitive development tasks in web development, such as compiling Sass, minifying JavaScript, and optimizing images.