What Is Bandwidth
Bandwidth is the maximum rate your connection can transfer data. It is measured in megabits per second (Mbps). Higher bandwidth means faster downloads and smoother streaming. Your ISP sells you a plan based on bandwidth, but actual speeds can vary based on network conditions.
Download vs Upload
Download speed matters for streaming, browsing, and downloading files. Upload speed matters for video calls, uploading files, and live streaming. Most plans have faster download than upload. A good ratio is 10:1 download to upload. Fiber connections often offer symmetrical speeds.
What Affects Bandwidth
Wi-Fi signal strength is a common culprit. Number of devices on your network. Time of day congestion. Your ISP's network capacity. Router quality. Ethernet cable quality. Background updates and downloads running on other devices.
How to Improve Bandwidth
Use Ethernet instead of Wi-Fi. Upgrade your router if it is more than 3 years old. Move closer to the router. Limit devices during important tasks. Call your ISP if you consistently get less than you pay for. Use our DNS speed test to check if slow DNS is part of the problem.