How to not make great government websites: use random domain names instead of a single dedicated tld, different contractors and design for each, make sure there's enough overlap in functionality in-between each of them, and then regularly remind everyone that it's very easy to scam you with fishing attacks.
Here are just some of the official French websites:
service-public.fr
impots.gouv.fr
gouvernement.fr
ameli.fr
vie-publique.fr
info.gouv.fr
santepubliquefrance.fr
Here are just some of the official French websites: service-public.fr impots.gouv.fr gouvernement.fr ameli.fr vie-publique.fr info.gouv.fr santepubliquefrance.fr