Some sites use "About:Blank" tabs to hide the browser history and bypass active monitoring. Official Portable/Mobile Versions : There is an official Android app
The original Cookie Clicker by Orteil is a masterpiece of the incremental genre. However, it lives on websites like dashnet.org or classic cookie clicker mirrors. Most corporate and school firewalls use and WebSocket blocking . Since standard Cookie Clicker requires a constant connection to save your progress and load assets, it is easy to block.