I think there's been a misunderstanding, there was an error in the article suggesting that zip.min.js is not inlined in the page. This error has been corrected

I think there's been a misunderstanding, there was an error in the article suggesting that zip.min.js is not inlined in the page. This error has been corrected meanwhile. I'm sorry for that. The goal is obviously to create pages that work offline, as shown in the demo.