This is how singlefile and some other archiving tools work, they just embed all remote assets as data urls within the page. It works really well, the only incon

This is how singlefile and some other archiving tools work, they just embed all remote assets as data urls within the page. It works really well, the only inconvenience is if you need to parse the html later on, the massive attribute lengths can crash some html parsers like jsdom or cheerio.