Snowpack is a post-install tool. It runs after npm install, and it essentially exists to convert your npm packages (in your “node_modules/” directory) into JS files that run in the browser without a bundler (written to a “web_modules/” directory).
LazyLoad is a Chrome optimization that defers loading below-the-fold images and certain third-party iframes on the page until the user scrolls near them, which reduces data usage, speeds up page loads, and reduces memory use.
Web applications often maintain state in JS objects that have no direct DOM representation. Such applications may want such state to be submittable.