Internet Speed Check
Use the free test below to measure your connection right now. It adapts to your speed and finishes in under a minute.
What happens when you run it
Because the download is split into several measured passes, a single slow moment or network hiccup can be discarded instead of silently dragging the whole result down.
This test starts with a short latency probe, then downloads test data from Cloudflare's edge in increasing amounts until it can estimate your connection confidently. Slow links stop early; gigabit links scale up to get a stable reading.
A connection that measures 50 Mbps needs far less data to confirm that number than a 900 Mbps fiber line needs, and this test sizes the transfer accordingly.
How to read your result
For everyday browsing even modest download numbers feel fine; the number only starts to matter for large file transfers, streaming quality and multi-device households.
Ping is the round-trip delay to the test server in milliseconds; lower is better for real-time apps. Jitter is how much that delay wobbles, which often matters more than raw ping for calls and streaming.
What moves the needle
Signal strength, router placement, device capability and background traffic all influence Wi-Fi results, which is why the same plan can report different speeds in different rooms.
Results reflect the connection between your device and the nearest Cloudflare edge, a good proxy for overall internet performance.
Making the result useful
Your data stays in your browser for the duration of the test; only a small, anonymous summary is saved afterward, and never the raw payload.
This test is free, requires no account, and never shows ads while it runs — the only goal of the measurement is to give you a trustworthy number as quickly as possible.
The result screen labels the server you measured against, so you always know exactly what path a number represents before you compare it with anything else.
Getting the most from the test
Internet Speed Check is built to run on your connection in under a minute — press start, read the four numbers, and compare them with what your plan promises.
Speed test limitations
This test measures throughput to Cloudflare's edge, not to every service you use. Remote work, gaming or streaming servers may route differently and show different performance.
A speed test measures your connection to our test server, which typically lives on the same backbone your ISP peers with. Speeds to other destinations can vary with routing, server load, and the websites you use.
Related tests & guides
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