Firefox Extension | Leethax.net

Many games have community-supported bookmarklets. For example, open the developer console (F12) and paste:

Unofficial versions can inject scripts that log your keystrokes (including passwords) or redirect your search queries to affiliate ads. Because the extension requests permission to "access your data on all websites," a malicious version could steal your session cookies from Gmail or banking sites. leethax.net firefox extension

Thus, became the default search term, even though a Chrome version existed briefly. Many games have community-supported bookmarklets