Upstreams were very limited, and HTTP requests send cookie data in each GET. For instance, if you had a 128kbps DSL upstream and each request was 2KB (loaded u

Upstreams were very limited, and HTTP requests send cookie data in each GET. For instance, if you had a 128kbps DSL upstream and each request was 2KB (loaded up with cookies), you're already limited to 8 requests/second. A cookie-less domain for small resources helped this a lot.