Broadband Speed Test

Measure the full capacity of your internet connection with 8 parallel download streams and 4 parallel upload streams — the same way your browser loads real websites.

A broadband speed test measures the full capacity of your internet connection using parallel streams. Modern browsers open many connections at once, so a single-connection test underreports fast broadband. Our broadband test saturates your line with 8 simultaneous downloads and 4 simultaneous uploads, giving results that match your real browsing experience on fast connections. For the best measurement, connect via Ethernet, close bandwidth-heavy apps, and run the test several times.
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Saturating your connection with parallel streams...
In Action

Broadband Test in action

Your ISP promises 300 Mbps but 4K streams buffer. Run the test over Ethernet: if you see 290 Mbps, the Wi-Fi is the bottleneck. If you see 80, the provider is underdelivering — and now you have a screenshot for the support ticket.

Frequently Asked Questions

How is this different from a regular speed test?

Single-connection tests often underreport fast broadband because one stream cannot saturate the line. This test opens 8 download and 4 upload connections simultaneously, measuring the true capacity of your connection the same way your browser behaves when loading modern websites.

What download speed do I need for 4K streaming?

Streaming 4K video typically needs at least 25 Mbps per stream. For a household with multiple 4K streams plus gaming and video calls, 100-300 Mbps is comfortable. Run our broadband test to see what your connection actually delivers.

Why is my measured speed lower than my internet plan?

Several factors reduce real-world speed: Wi-Fi signal loss, old routers, other devices sharing the network, and the distance to the test server. Connect via Ethernet cable and retest to see the closest result to your plan's rated speed.

How can I improve my Wi-Fi speed?

Move closer to the router, switch to the 5 GHz band, avoid physical obstructions, update router firmware, and reduce the number of connected devices. If the problem persists, a newer router or a mesh system usually helps.

What is the difference between Mbps and MB/s?

Mbps (megabits per second) is how internet speeds are advertised and measured — 8 megabits equal 1 megabyte. So a 100 Mbps connection downloads files at about 12.5 MB/s. Our test reports speed in Mbps, the standard unit.

How do I test my internet speed without installing an app?

Open this page and press start — the browser runs parallel downloads and uploads to measure your connection, no installation or account required. For the most accurate result, use Ethernet and close other bandwidth-heavy apps.

Why do different speed test sites give different results?

Every test measures the speed to a different server over a different path. Results also vary by time of day and Wi-Fi conditions. Compare trends across several tests rather than expecting identical numbers.

What speed do I need for video calls and remote work?

Video calls need about 3-5 Mbps up and down per participant for HD quality. Remote work with screen sharing, file uploads, and a couple of connected devices is comfortable at 50-100 Mbps down and 20+ Mbps up.