This setting is remembered so that you will not have to toggle the change for every single story. This feature might not work properly with all entries. You can access this feature from the menu page after you have successfully logged in. To address the concern of browser compatibility on FanFiction. Net here is a list of platforms and browsers of which we have confirmed compatibility.
Net is compatible with the list above.
It is not practical for the staff to test the site on every single possible version after every changes made to the site. Please upgrade your browsers to the latest version to prevent any present and future conflicts.