$ sudo npm install critical
$ sudo npm install -g critical

If want to update the critical package execute the command as below,

$ sudo npm update critical

Update package globally,

$ npm install -g critical

Git clone:

$ sudo  git clone https://github.com/rektide/critical.git

$ sudo  npm install -g ./critical

critical@1.0.0 /usr/lib/node_modules/critical

How to remove critical package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall critical

Basic Information of critical NPM Package: