I'm using a laptop. Is there a significant difference in the reading experience between their "immersive and cinematic" one and just looking at, e.g., Questiona

I'm using a laptop. Is there a significant difference in the reading experience between their "immersive and cinematic" one and just looking at, e.g., Questionable Content on Firefox? (I ask because I was going to try reading one of their free comics and they want me to "register" with email and date of birth and password and oh give it a rest for pete's sake...)