Organization, command and control, and experience as well as the willingness to change if something didn't work.
Overall, the French, in my opinion, had two periods of reform and experitmentation: 1763-1792, and 1792-1800. The first was the result of their lousy performance in 1756-1763. The second trying to put the 'lessons learned' into practice. The result was the Grande Armee of 1805-1807.