The computer in the Internet cafe are hard wired. The connection will be a little faster than the wifi. Though I have never been particularly dissatisfied with the wifi. I prefer to "tune out" when on vacation so haven't been on loping at sea in a couple of years.
Be care to set your iPad in airplane mode if you have a 4G device. Otherwise you might be
sucking down expensive cellular minutes. I also shut off my podcast subscriptions while I am away. I didn't want those downloads slowing my browsing.
All I ask is a tall ship and a star to steer her by; John Masefield
Carnival: Glory 2004, Destiny 2008, Splendor 2009, Freedom 2011, Valor 2012, Dream 2013
Celebrity: Summit 2011
Princess: Ruby 2010, 2014, Caribbean 2013, Coral 2014, Regal 2014, 2016, Royal 2017
Star Clippers: Royal Clipper 2015