Issues with internet quality

[Dbaz193672]

I have the sky max 500 tested my broadband and it's states it's working good 491 and 70 mb respectively however seems to be cutting in and out to the degree I am not able to do online gaming due to the 'poor' internet quality how can the sky WiFi checker being saying everything is great yet I am having quality issues 

[jamesn123]

Hi @Dbaz193672 

Do any lights change on the hub when it 'cuts out'? Which Sky hub do you have currently?