exceptions to Internet speed up advice
using a proxy cache can also slow you down. I manage content on an industry specific web based application. To achieve private branding EVERY page is dynamically created. I find the application can be a real dog IF the customer is using a proxy cache. The cache becomes a bottleneck as it tries to match its content with the application's content based on URL. Make sure your IT staff know how to configure the proxy cache to avoid caching specified web domains.