There's some useful new advice from Virgin Media and it's worth following if you want perfect speeds all year round. It's a well-known fact that keeping your router in a central location, restarting it once a month and avoiding signal-blocking obstacles such as fish tanks can all help improve performance. However, some might not be aware that changes in the weather can bring things grinding to a halt. As temperatures rise during late spring and into summer, routers can come under extra strain,