Very poor communication (to none) once there was a problem.
Before booking I asked them about the internet availability and quality. The host said it is strong and available.
When we checked in the internet was not working at all. I informed the host at the moment we checked in and THEY NEVER came to fix and did not respond my messages. We had to buy a router and SIM card with data which costs around €50 in Portugal.
It is a company managing the whole building so not a personalized help. Based on the neglect on responding us I do not think that Airbnb shall consider them a Superhost.
Otherwise the apartment is clean, and all was working. The bed was comfortable and shower was good.
Please also note that if you checkin after 22:00 there is a €20 fee for late checkin which we were not aware of and had to pay.