It takes time for a connection to "ramp up" to its maximum stable speed, a phase often missed by quick tests. Best Tools for a Large Download Speed Test
Unlike others, it downloads files of increasing sizes (up to 128MB) to find your stable plateau rather than just your peak. large download speed test
Mastering the Large Download Speed Test: Why Your Internet Feels Slower Than It Is It takes time for a connection to "ramp
Some Internet Service Providers (ISPs) prioritize traffic to common speed test servers to make their service appear faster. such as Ookla Speedtest
Most popular speed tests, such as Ookla Speedtest , are designed to measure "burst" speed. They download small packets of data to find the absolute peak your connection can reach. While useful, this doesn't account for: