They aren't the ones who block it. Instead it's the infrastructure providers who do it. Cloudfare started supporting it only a few months ago. Many ISP's use pr

They aren't the ones who block it. Instead it's the infrastructure providers who do it. Cloudfare started supporting it only a few months ago. Many ISP's use proxies that disallows websockets connections. Again, the point is: You can't claim you won't need cookies if you want to consider scaling up.