Flag Cookies, currently supports only the display of the current tab cookies by respective domains found in this tab. You can request this feature on Github @ https://github.com/jrie/flagCookies/issues and we can see, how this fits.

Thank you for reporting the broken container group support. I opened a issue at Github: https://github.com/jrie/flagCookies/issues/6

Once the feature works again, I push a new version. I also will answer here.

UPDATE:
Container tabs support is restored in version 3.4.0 which is now available on Github and later on here.

¡Muchas gracias! Si desea ayudar a traducir el complemento, comuníquese conmigo @ jan@dwrox.net

In version 3.0.32 the functionality to import and export add-on settings has been added in "Preferences".

On import settings can be selected to either replace all existings settings or become merged - and only added if there are no rules for a website set.

Thanks for your feedback!

Thank you very much for your feedback. I started to work on a 'Help' section which is provided in the latest release of FlagCookies and I also tried to reword some of the information provided on the add on listing, as well as more meaningful tooltips.

The help or documentation can be viewed online at the FlagCookies wiki @ Github:
https://github.com/jrie/flagCookies/wiki/FlagCookies-help-and-documentation

At the moment of writing, this is work in progress. But I tried to provide a starting point inside there, about the basic "flag switches" and "modes" which are offered and where they might be possible used; so I gladly would invite to review this new addition.

Edit:
Is the issue you report reproduce able? Does this always occur?
Usually, the domain which got loaded should be displayed. I am also not sure which exact version you are using to get an insight if this was caused by another request interfering with what Flag Cookies thinks is the current active domain/tab you are on. But the issue might be resolved already in a later version.

In case you don't call a Github account your own, can you provide me with the urls of those two domains and the details which version you are using at the moment? You can drop me this information by email, using the support address and I try to troubleshoot the issue.
Or you can open an issue on Github instead.

Thank you for your review.

Update to reply: In version 2.0.4 - user choice enabled/disabled notifications have been added. In a previous release, also a tooltip when hovering the mouse over the Flag Cookies icon, when actions have been taken, can now be viewed and displayed, similar to the "page action log" in preferences.

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At present, you can see the count of removed cookies on the cookie icon in the toolbar. In addition, there are written details under "preferences" (reachable in the main view) and "page action log" for review.

To add further information when hovering the mouse over the icon. I haven't looked into that, but this sounds like a good addition to the interface!

Regarding the delayed removal of cookies, I would require more information. The main feature of the add-on, is the ability to remove unwanted cookies automatically if not allowed or used as profile cookies. Or to delete particular unwanted cookies by flagging them especially.

But if you miss this as a feature and you want to provide me with more background information where a delay might be useful, I can see how this fits in or if this could be added as a addition to Flag cookies.

The easiest way would be to add your feedback as an issue on the add-ons Github issues page:
https://github.com/jrie/flagCookies/issues

I then try to get in touch with you about this feature.