I'm running Firefox 15 on two Firefox synced Windows computers. Is there a way to have the synced tabs open automatically? The only way to access the tabs from the other computer is to manually open them from the history menu (something I forget to do all the time). I have heard about xmarks, but recent reviews mention a hanging issue.
The best option for your case would be to use Xmarks.
Navigate to link and install the addon Xmarks-sync on Firefox.
Enable Open Tab
Manage your Open Tab settings:
How to Sync Open Tabs
On Remote Computer access:
One workaround, which isn't automatic but at least reminds you to open the tabs of the other device is this:
In Preferences, General, set the Behaviour to "Show my home page" and the Home Page to
Now, when you start Firefox, it'll present you with a list of tabs from the other device(s), you can select all of them and right-click "Open selected Tabs" (maybe click "Refresh" beforehand).