If you are looking for a reliable ("solid") tool to verify your speeds, these are the industry standards:
Uses a proprietary method with large file transfers to identify issues that other tests might miss [14]. 3. How to Get a "Solid" Review of Your Connection Internet Speed Test 3.3
Results can vary based on the server's location; try at least three different servers to find a consistent average [1, 18]. If you are looking for a reliable ("solid")
To ensure your test results are accurate and not skewed by your environment: Internet Speed Test 3.3