In my pc some of the sites stopped working

Some days ago some of the sites stopped working in my chrome and brave. Like zoro.To website , in this i can open website but no image or episode loads. I can't even access quora site in chrome , and not even stackoverflow I deleted my chrome and reinstalled but same error I tried these websites on brave browser and there is same error But in firefox these websites work me My pc had chrome and brave browser already before error and at the time of error I downloaded and installed firefox after error and in that all sites work So plz plz plz help me anyone i contacted my friend web developer but we are not able to do anything. plz help me i request