Which flower e-commerce companies sign up their users well?

Signing up users is the most important step in building a loyal userbase. Ideally, you want them to buy products in your site, so that they can be a registered user as well a buyer. But, users usually don't buy in one session. So, it is important to sign them up without interrupting their shopping experience and re-engage them later. Based on this criteria, we have ranked the flower ecommerce companies in United States that do a good job in signing up users:

Rank Domain Score
1 6.9
2 6.9
3 6.7
4 6.7
5 6.6
6 6.2
7 6.1
8 5
9 4.9
10 4.7