Reported due to Twitter not supporting https://www.basilisk-browser.org/ the user agent must trick the site:
Go into about:config, and find "general.useragent.override.twitter.com". Click Modify, and replace the useragent string with one blank, and Twitter should work.
https://forum.palemoon.org/viewtopic.ph ... 3a#p247648
Did not work in 31 but 32 is a go. Save significant bandwidth with Pale Moon's originating server images option (skip images if you don't need them).