Rated 4 out of 5 stars

Your extension is great but you are missing the "search box" at top like in the "FAST DIAL" addon.

This review is for a previous version of the add-on (0.9.0.3). 

Why adding another search bar when you can use the one that already exists in Firefox? There's a option in the Speed Dial settings that will place the cursor in the Firefox search bar when Speed Dial is opened. Go to the Speed Dial settings panel, "Main" tab, and in "When Speed Dial opens" list choose "Focus search bar".