How can I edit the list of websites that are blocked by the Safari Extension?
Open iOS Settings → Safari → Extensions → one sec and select which websites you allow the extension on.
Known issue: one sec 3.2 introduced a bug where the Safari extension would prompt to do a breathing exercise every couple of seconds. This was addressed in one sec 3.2.2. Please update to the latest version. Sorry for the trouble!
Adding custom domains
You can add the currently visited domain by opening one sec’s extension panel like this: