Super fast broadband slow , but Sky indicates it’s all ok? My apps won’t connect I’ve tried allsort

[gtowindows]

My super fast broadband is slow , but sky indicates it's all ok ? My messenger app and what's app won't send messages it just keeps going round and around saying connecting and trying to get online on a website on my I pad and I phone is slow too ! I've tried resetting my phone , deleting apps and re-download them . Nothing ! Still the same , also scrabble app won't connect it's just froze ! Again I've tried all the things you do when this happens but no improvement can anyone help me please ? 

[GD1]

@gtowindows   Please can you post your router stats so the forum can advise on any issues. This link explains how to do that https://helpforum.sky.com/t5/Broadband/How-to-find-your-Sky-Broadband-router-stats/td-p/2855717#