packet loss information
What Is Packet Loss?
Packet loss means transmitted network packets did not arrive. Symptoms overlap with other problems, so start with honest observations and useful comparisons.
Start Connection CheckMeasurements describe the endpoint and test shown. HTTP timing is not network-layer packet loss or a direct measurement of your router, WiFi radio or ISP.
Symptoms are not a measurement
Stuttering calls, game lag and interrupted transfers can occur with packet loss, congestion or application problems. TCP retransmission can hide lost packets from HTTP. Failed fetches are not a measured packet-loss percentage.
No universal acceptable percentage
Impact depends on the application, recovery behavior, burst pattern and direction. A short clean sample can miss bursts. Evaluate a real measurement against the activity rather than a fabricated universal threshold.
Troubleshoot with safe comparisons
Compare Ethernet with WiFi, another device and the same activity at another time. Record when symptoms occur. These comparisons narrow the likely area without claiming to detect a broken router or ISP.
What our current test measures
Connection Check records HTTP request completion and timing. A real loss test needs controlled unreliable datagrams, sequence counts, enough probes and verified endpoint health. That test is not currently available here.
Frequently asked questions
Can an HTTP failure rate be called packet loss?
No. Retransmission, server errors and browser scheduling make that interpretation invalid.
Is this page a packet-loss test?
No. It is an informational guide linking to the browser HTTP stability check.