Agreed, this 1.3 MB JSON data file is perfectly reasonable: it compresses to only 191 kB in the HTTP response with standard gzip compression that all browsers h

Agreed, this 1.3 MB JSON data file is perfectly reasonable: it compresses to only 191 kB in the HTTP response with standard gzip compression that all browsers have been supporting in the last 20 years (I just checked with Chrome's dev tools)