This Add-on is a testament to efficiency.

- Many easy to use customization options.
- Several theme presets that showcase visual possibilities.
- Built in CSS editor to fine-tune customization.
- Tabbed interface to group pages in a sleek manor.
- Create tabs based on your bookmark folders.
- Save pages to tabs via context-menu.
- Export to / Import from file.
- Optional syncing. (defaults to OFF)
- Fast.

I have found this to be the only "speed dial" worthy of Firefox Quantum.
Seriously, set this as your homepage and Firefox lives in a golden age.

Thank you Mimiste