I admit I'm running quite a lot of tests also using the automated tool, testing a recent fixed wireless ISP I subscribed to. Its an ISP that requires multiple tests as its speeds are completely all over the place. My existing DSL connection is consistent, but slow (actual link is 5Mb down / 0.3Mb up) and the new one claims to offer 50Mb down / 10Mb up, but intermittently struggles to offer 1/10th that.
While checking over the results, I came across the following one which I actually tested over the Three mobile network while I was at my workplace:
On the test results and share result page, the capital letter 'i' appears as a the lower case 'l':
Although I regularly use VPN connections either to connect to work (from home) or get around geographic restrictions, I was not using a VPN to cloak my connection at the time.