ForceLoadTabs автор toff@mozilla

To force a tab to load at startup, right click on it and choose "ForceLoadTabs > Force load tab" in the context menu.
This add-on is compatible with TreeStyleTab.

Permissions:
- sessions: used to store the "forceload" flag associated to each tab.
- menus: used to add the context menu entry.
- tabs: used to load tabs on startup.