use this:How would you scrape it considering Null very likely has a way to tell when people are scraping it?
https://chromewebstore.google.com/detail/singlefile/mpiodijhokgodhhofbcjdecpffjipkle
it allows you to download a web page complete with everything, including multimedia stuff. even on a web page that has your settings saved with cookies or has account system involved, it's still works