A broadband speed test measures the performance of your internet connection by evaluating its download and upload speeds, as well as latency. The test assesses how quickly data can be downloaded from and uploaded to the internet, providing insights into the quality and efficiency of your connection. High-speed broadband is essential for smooth streaming, fast downloads, and reliable online activities. Speed tests are commonly used to diagnose connection issues, compare different service providers, or ensure you're getting the speeds promised by your internet plan.