network isnt connecting for online games but it works perfectly fine and downloading works aswell

suddenly i started to get really high ping in matvel rivals so i checked but the wifi speed was fine in eveey other device, i cleared chashe and rebuilt database but didnt work i tried changing dns to 8.8.8.8 and 8.8.4.4 but didnt work either, i can just not connect online but i download a game it works fine, i tried using hotspot and it worked but not with wifi how to fix it