When I bring my Macbook to work I often experience really long response times (~60 seconds) when I use google.com / the unified search bar (or whatever it's name is...). When I'm at home or when I use Safari or Firefox everything works fast. I also experience this problem on websites using Google's CDN or API's. My colleagues are having the same issues... It's really annoying when you want to look something up fast. I temporarily switched to DuckDuckGo, but that isn't a solution.
Does anybody know how I can fix this problem? What steps can I follow to find the cause?