You can use Puppeteer to drive the web scraping and use page.screenshot() to capture images. You can find a quick example in the docs below:

https://github.com/puppeteer/puppeteer/blob/v5.3.1/docs/api....

Thanks! Yes, it's puppeteer, plus imagemagick to add transparency using an overlay on an empty map, and ffmpeg to make the 60fps video. A lot of data, currently have over 200GB.