The website collects some data, as it has google analytics, but it seems that there are no ads. The free skateparks they point to might have some rules like:

Skateboarding and roller skating only, Helmets, elbow pads, wrist guards and knee pads required, Only city-installed equipment may be used in the skating area or adjacent park area, Use of tobacco, alcohol or drugs is prohibited, No food or drink allowed in the skating area, No glass items permitted, No graffiti, stickers or littering, No profanity, Skate at your own risk

(https://www.freeskateparks.com/skatepark.php?id=645)

Bey u ma' in wóojel - le reglas k'áato'ob u comportar u jump'éel cierta bix ken, ba'ale' in wa'alike' óol tuláakal le máasewáalo'obo' leti'obe' ku llamados "sentido común" utia'al u asegurar ti' u le máako'obo' ma' dañan le kúuchil, p'atik artículos peligrosos paach bey vidrio yéetel u le máako'obo' utilizan le kúuchila' ti' jump'éel bix ken segura (utilizar cascos, tratar u láak'o'ob ma'alob etc.). Ti' in yaan le k'iino'oba' "reglas" ku ts'íibta'al ti' jump'éel letrero tu táan jump'éel skatepark yéetel je'el u páajtal u pegar u ti' leti'ob wa ma' - ma' jach u ma' yaan u pitik muuk' ti' leti'ob wa ma' u búukinta'al jump'éel casco. Bey u ti' in visión subjetiva ma' consideraré le k'iino'oba' bey macro-comercios, ba'ale' ma' xaan ka' jela'an yéetel yane' ti' le k'iino'oba' yéetel ku controlan yéetel wa ma' u búukinta'al jump'éel casco ma' yaan u pitik muuk', ba'ax sería definitivamente jump'éel macro-comercio yéetel bey ma' libre koonolo'. Bey u kin ts'áaik 3 ti' 5 bloques tuméen le ts'ono'oto' web ku much'ik datos.