I like the idea! A few things I noted: 1) despite the paged UI, the API call /rest/v1/arxiv_papers?select=*&order=published.desc is downloading all 708 articles

I like the idea! A few things I noted: 1) despite the paged UI, the API call /rest/v1/arxiv_papers?select=*&order=published.desc is downloading all 708 articles. You will find the UI more snappy if you do server-side paging. b) most of the javascript is cached, but not all of it, e.g., page-script.js