Not working anymore in FF v110.

Edit: Sorry, it is well working actually, my mistake

Sadly this add-on does not work in 67.0.4.

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The author is correct, the addon works perfectly. Do not assume it is not working because the tab's title does not change (check the actual window title, you will likely have to enable the window frame via Firefox's customize menu). 5 stars.

Strength:
• Open source. If you are not familiar with "open source", it means this app is more secure. Because its code is publicly available for review and contributions on GitHub at https://github.com/Aaron-P/HostnameTitleBar
• Attractive GNU General Public License version 2. This means the software code of this extensions is owned and supported by a friendly not-for-profit community. Instead of a for-profit corporation. https://github.com/Aaron-P/HostnameTitleBar/blob/master/LICENSE.md
• Lots of options to customize the title
• You can inject a title into pages that do not have one. This is very useful. It means that your password managers is more likely to work on all pages.
• Made for password managers KeePass, KeePassX, or KeePassXC
• It does not interfere with the title of a page or interact with a page's DOM. So it should not break any websites
• The configuration page includes useful template examples and a preview. Which are display on mouse hover to highlight.

Challenge:
• Does not work with HTTP Basic Auth window. But this might be outside the control of the extension. Because the present WebExtension API does not allow to change the title of the Basic Auth window. Ticket at https://github.com/Aaron-P/HostnameTitleBar/issues/2

Using:
• Hostname in Window Title 2.0
• Firefox 60.5.0esr at 64 bit
• Debian 8 Jessie
• GNOME 3.14.1

this what i looking for, thanks

Only add-on of its kind that doesn't actually inject the domain in the title (shown when bookmarking a page).

Great addon.Thank you!