How to compress js files efficiently?

Question

JavaScript

How to compress js files on the example of javascriptcompressor.com, which really optimizes scripts. Before that, I used gulp-uglify, but as it turns out, this is not enough for the page speed service, it requires additional compression. As for
javascriptcompressor.com, it is extremely inconvenient to use it, maybe there is some plugin for gulp that compresses scripts well?

Answer 1

gulp-uglify doesn't compress anything. It renames variables. And jsmin compresses
https://www.npmjs.com/package/gulp-jsmin