Mbps Bandwidth
Latency (ms)
Jitter
Download
Upload
CLIENT INFO
IP: Detecting...
LOC: Detecting...
ISP: Detecting...
TEST SERVER
Cloudflare Anycast
LOC: Detecting...
External Infrastructure
What Your Speed Result Means: Mbps vs. MB/s
Internet service providers advertise network plans in Megabits per second (Mbps), whereas operating systems report file downloads in Megabytes per second (MB/s). Because one byte contains exactly eight bits of data, your actual file download throughput in megabytes is roughly one-eighth of your measured Mbps bandwidth (after accounting for TCP/IP protocol overhead).
If your speed test reports 100 Mbps download speed, your connection can theoretically transfer approximately 12.5 Megabytes of file data per second. A 1 Gigabyte file (1,000 MB) would take roughly 80 to 90 seconds to download under continuous peak performance, rather than 10 seconds.
Round-trip ping when no other traffic is flooding your connection. Ideal for basic web navigation.
Round-trip time during saturated uploads or downloads. If this spikes significantly, queue delays can cause lag in video calls and online gaming.
The variation in packet arrival time. Lower jitter values (under 5 ms) ensure steady audio streams without distortion or packet drops.
Why Ping Matters More Than Bandwidth for Real-Time Apps
A connection can have massive download capacity but still feel sluggish if packets take too long to travel back and forth. Latency (or ping) measures the time in milliseconds required for a data packet to travel from your browser to the edge server and return.
This test separately reports Unloaded Latency (idle state) and Loaded Latency (active bandwidth saturation). When an unmanaged home router queues up hundreds of packets during a large download instead of pacing them smoothly, this causes bufferbloat, sending loaded ping skyrocketing and introducing stutter into Zoom calls, VoIP audio, and interactive sessions.
Factors That Cause Speed Test Variations
A single speed test is a real-time snapshot of connection quality at one specific moment under local network conditions.
Wi-Fi Signal & Frequency
2.4 GHz signals travel through walls but offer lower speeds. 5 GHz and 6 GHz Wi-Fi provide higher throughput but drop off over distance or physical barriers.
ISP Peak Congestion
Residential broadband connections are shared across local neighborhood nodes. Speeds often dip during evening peak streaming hours due to shared backhaul.
Background Traffic
Cloud backups, operating system updates, mobile sync, and other devices sharing the home router consume portions of the available pipeline during testing.
Routing & Edge Distance
This test evaluates performance against Cloudflare Anycast edge servers. Virtual Private Networks (VPNs) or proxy tunnels can add hops and lower measured numbers.