How can teste internet speed In seconds, internetspeedtest.tech's simple Internet speed teste will estimate your ISP speed. internetspeedtest.tech will teste Internet speed globally on any device (phone, laptop, or smart TV with browser). We want our members to have a simple, quick and free way to estimate the Internet speed that their ISP (Internet Service Provider) is providing. If results from internetspeedtest.tech and other internet speed tests (like dslreports.com or speedtest.net) often show less speed than you have paid for, you can ask your ISP (Internet Service Provider) about the results.