About Speedfast
Speedfast is a lightweight internet speed test built to help people understand the real performance of their connection without installing an app.
What Speedfast Measures
Speedfast measures download throughput, upload throughput, latency, jitter and basic connection metadata. The goal is to show how the connection behaves during real browser traffic, not to promise a fixed ISP plan speed.
How The Test Works
The test requests and uploads controlled data samples through your browser, watches transfer timing and estimates Mbps from completed bytes over time.
Why Results Vary
A result can change because of WiFi quality, device load, browser behavior, VPNs, routing, peak hours and the nearest test endpoint. Running more than one test gives a clearer picture.
Privacy By Design
The public speed test does not require an account. We keep the experience focused on the measurement itself and avoid asking for unnecessary personal details.
Built For Global Access
Speedfast is prepared for multiple languages so users can read the test, help pages and policies in a language that feels natural to them.
Product Status
The service is still being refined before public SEO launch. Indexing can stay disabled while design, content, ads and policies are finalized.
Speedfast is an informational measurement tool. Results should be read as useful estimates, not as a contractual certification from an internet provider.