Some free speed tests, including Ookla and Cloudflare, also give you download and upload scores for latency. These are referred to as “loaded latency” results, and they’re taken while the speed test ...

Mirrors and fish tanks aren't the only things to watch out for. Virgin also warns that many electronic gadgets can cause Wi-Fi problems. These include TVs, cordless phones and even your microwave.

Located near Paris, the 1.5-kilometre-long self-charging highway can charge multiple buses, cars and trucks simultaneously at speeds of up to 200kW.