Measure internet download, upload, ping, and jitter in a browser with OpenSpeedTest, an HTML5 speed test.
fast
Estimate internet download speed in a browser with FAST.com, Netflix’s simple speed test.
About fast
FAST.com is Netflix's browser-based speed test. It estimates current Internet speed for a connection by running a series of downloads from and uploads to Netflix servers, with download speed as the main focus because that matters most to people consuming content. Upload speed and two latency readings, unloaded and loaded, appear when you open Show more info. It works globally on phones, laptops and smart TVs with a browser.
Pricing is not clearly stated.
Key features
- Settings for parallel connections and test duration
- Option to always show all metrics
Best for: Individual Internet users who want a quick estimate of download speed.
Good for
- Netflix describes FAST.com as a simple, quick, ad-free speed test.
Watch out for
- Results are an estimate, and actual network performance may vary.
- Not designed or supported for third-party service certification or enterprise usage.
fast at a glance
- Website
- fast.com
- Category
- Development › Network Tools
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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fast FAQ
What is bufferbloat in FAST.com's results?
It is the difference between the unloaded and loaded latency measurements FAST.com shows.
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