I just modified a userscript to disable this. (running with tampermonkey) https://stackoverflow.com/a/26160412 I changed the document.addEventListener to 'copy'. It seems to stop the site from running its own code. [edit] This seems to be a more fully functioned script. https://greasyfork.org/en/scripts/14146-%E7%BD%91%E9%A1%B5%E...