Is Your Internet Slow?
Quick, accurate, ad-free speed test. No tracking. No signup. Just the truth about your connection.
Your internet speed test
The test runs in your browser and measures real download speed and latency.
What do these numbers mean?
Download speed (Mbps)
This is how fast your device can receive data from the internet. Low download speed makes websites, videos and downloads feel slow.
Latency (ms)
Latency is how long it takes for a small signal to travel to a server and back. High latency causes lag in calls, gaming and live streams.
FAQ
Why is my internet slow?
Common causes include weak Wi‑Fi signal, too many devices sharing the same network, outdated router, ISP congestion during peak hours, or temporary outages.
Is this speed test accurate?
This tool transfers real data between your device and our server. It’s a lightweight, simple check to see if your connection behaves as expected.
Do you track or store my data?
No. InternetSlowCheck does not use trackers, analytics scripts, or cookies. The test runs directly in your browser.
What is a good internet speed?
10–25 Mbps is fine for basic browsing, 25–100 Mbps for HD streaming, and 100+ Mbps for 4K content, gaming and heavy downloads.