Internet Speed Test

Check your real download, upload, ping, and jitter — measured against Cloudflare's global edge network. Free, no signup, runs in your browser.

Download

—Mbps

— · Ready

Ping

—

Jitter

—

Download

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Upload

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About this tool

What an internet speed test measures — and what counts as good

This free internet speed test measures the four numbers that decide how your connection actually feels: download speed, upload speed, ping (latency), and jitter (stability). It runs entirely in your browser against Cloudflare's global edge network, so there is nothing to install and no account to create.

Download speed is how fast data reaches you for streaming, browsing, and downloads; upload is how fast you send data for video calls, cloud backups, and posting; ping is the round-trip delay that makes everything feel snappy or sluggish; and jitter is how consistent that delay is, which is what keeps calls and games smooth.

100% freeNo sign-upCloudflare networkDownload · Upload · Ping · Jitter
How to run an accurate test
  1. 1Close other apps and pause downloads so nothing competes for the connection.
  2. 2Click Start Speed Test and stay on the tab while it measures ping, download, then upload.
  3. 3Run it two or three times and take the median — a single run can be skewed by a brief spike.
  4. 4Test wired vs Wi-Fi to see whether your Wi-Fi, not your ISP, is the real bottleneck.
What you get
  • Real download and upload throughput in Mbps
  • Ping and jitter in milliseconds with a quality rating
  • A locally saved history of your last 20 tests
  • A shareable result summary
  • Private by design — results never leave your browser

Frequently asked questions

What is a good internet speed?
For one person, 25 Mbps download comfortably covers HD video and calls. For a busy household with 4K streaming and gaming, aim for 100 Mbps or more. An upload of 10 Mbps or more keeps video calls and cloud backups smooth.
Why is my result lower than my plan?
Usually Wi-Fi interference, distance from the router, an older router, other devices using the line, peak-hour congestion, or a VPN. Try an Ethernet cable and re-test to isolate Wi-Fi as the cause.
What is a good ping for gaming?
Under 50 ms is excellent, under 100 ms is fine, and above 150 ms you will notice lag. Low jitter matters as much as a low average ping.
Is the test accurate?
Yes — it uses Cloudflare's global network with the same fetch/streams approach as major tools. The biggest source of variance is your own Wi-Fi, which often caps the result before your ISP does.
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Full guide

Internet Speed Test — full guide

What ping, jitter, download, and upload actually mean — and what's a good number for streaming, gaming, video calls, and remote work.

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