Dragon Ball Super was originally bradcasted in Japan as one single season. The listing is correct.

If you want another split, you can use an episode group.

Dragon Ball Super was broadcasted in Japan as 5 seasons, thought without breaks, this seasons are counted as arcs.

Battle of -Gods arc (ep. 1–14)

Resurrection F arc (ep. 19–27)

Universe 6 Tournament arc (ep. 28–46)

Future Trunks arc (ep. 47–76)

Universal Survival arc (ep. 77–131)

As you can see at:

https://thetvdb.com/series/dragon-ball-super

https://trakt.tv/shows/dragon-ball-super

https://www.tvguide.com/tvshows/dragon-ball-super/1030745815/

Arcs aren't seasons.

None of the links you give are official links.

You can also read the anime guidelines.