Results are saved in this browser after each test.
Tips for speed tests
Close bandwidth-heavy apps and pause large downloads for a cleaner reading.
Wi‑Fi and VPN often cut peak throughput versus a wired path.
Run the test twice — the second pass can be higher after TCP warm-up.
Numbers reflect the path to Cloudflare, not every site on the internet.
Mobile networks throttle and fluctuate; treat results as a snapshot.
Über Internet speed test
Das Tool lädt timed Payloads zu Cloudflares Speed-Endpunkten und meldet Latenz sowie Mbit/s.
Measure latency, download and upload speed from your browser.
Zeigt Browser-Kontext und ggf. die Antwort einer öffentlichen API.
So nutzen Sie Internet speed test
Seite öffnen
Internet speed test lädt Browser-Kontext und ggf. eine öffentliche API.
Bei Bedarf aktualisieren
Nach VPN-/Netzwerkwechsel aktualisieren.
Häufige Fragen
Is Internet speed test free?
Yes. It is free to use in the browser with no signup required.
Is my data sent to a server?
Das Tool lädt timed Payloads zu Cloudflares Speed-Endpunkten und meldet Latenz sowie Mbit/s.
When should I use Internet speed test?
Measure latency, download and upload speed from your browser.