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Check.Fast
Free internet speed test with bufferbloat, jitter & grades
Check.Fast is a free, no-signup internet speed test that goes beyond basic results. It measures download, upload, ping, jitter, bufferbloat, loaded latency, packet loss, and connection stability with easy-to-understand A–F grades. Built for real users — gamers, remote workers, streamers, and anyone tired of slow connections that basic tests don’t explain. No ads. No accounts. Works instantly in your browser on any device. Get honest insights into your real-world internet performance.
Hey Product Hunt! 👋
I built Check.Fast because I was frustrated with speed tests that only show numbers but don’t explain why my internet feels laggy during calls or gaming.
So I made a clean, free tool that shows download, upload, ping, bufferbloat, jitter, stability, and more — with clear grades so anyone can understand their connection.
No ads, no signup, works instantly.
Would love your feedback — what’s your biggest internet frustration? Try it and let me know how your results look! 🚀
5
About Check.Fast on Product Hunt
“Free internet speed test with bufferbloat, jitter & grades”
Check.Fast was submitted on Product Hunt and earned 0 upvotes and 2 comments, placing #135 on the daily leaderboard. Check.Fast is a free, no-signup internet speed test that goes beyond basic results. It measures download, upload, ping, jitter, bufferbloat, loaded latency, packet loss, and connection stability with easy-to-understand A–F grades. Built for real users — gamers, remote workers, streamers, and anyone tired of slow connections that basic tests don’t explain. No ads. No accounts. Works instantly in your browser on any device. Get honest insights into your real-world internet performance.
On the analytics side, Check.Fast competes within Web App, Productivity and Tech — topics that collectively have 1.4M followers on Product Hunt. The dashboard above tracks how Check.Fast performed against the three products that launched closest to it on the same day.
Who hunted Check.Fast?
Check.Fast was hunted by Check Fast. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Check.Fast including community comment highlights and product details, visit the product overview.
Check Fast