Cat pictures don't interfere with my ability to interact with the web page.
The 2MB+ of bloated, unoptimised JS that you ship with your page that I need to parse and render before I'm allowed to see the 20kb of actual content _does_ interfere with my ability to use the page.
The 2MB+ of bloated, unoptimised JS that you ship with your page that I need to parse and render before I'm allowed to see the 20kb of actual content _does_ interfere with my ability to use the page.