How to clear cache
Web cache is a system that allows websites to store images, files and other data on your computing device to reduce the delay on loading data during future visits to the same website. Periodically you may want to clear your cache in Sakai to load the newest text editor or other interface changes.
Chrome | Command (⌘) + Shift + R
Safari | Option (⌥ ) + Command (⌘) + R
Firefox | Command (⌘) + Shift + R