Using ObjectManager is not advised ...

[ckonkel]

DJS/Plugin/ResponsePlugin.php

Line 20 in e4d58a3

$url = \Magento\Framework\App\ObjectManager::getInstance()

I appreciate anyone willing to post there code here and the effort involved with supporting it... I was going to attempt a plugin like this for page insights, but stumbled on this, which uses di and observer ...

https://github.com/MeetanshiInc/Magento-2-Defer-Parsing-of-JavaScript

thoughts on this solution vs yours?

yes, I think the better way is using Dependency Injection method