← OS Integration
Network Information
Probing…Network Information is a web platform capability in the OS Integration category. Connection type, downlink estimate, save-data hint. Supported in Chromium 61+; not available in Firefox and Safari.
Try it
Loading demo…
Code
const c = navigator.connection
console.log(c.effectiveType, c.downlink, c.rtt, c.saveData)
c.addEventListener('change', () => {
console.log('now', c.effectiveType)
})Browser support
Chromium
61
Firefox
No
Safari
No
Frequently asked questions
Which browsers support Network Information?
Supported in Chromium 61+; not available in Firefox and Safari.
Does Network Information require HTTPS?
No. Network Information works without a secure context, though serving your site over HTTPS is always recommended.
What is Network Information used for?
Connection type, downlink estimate, save-data hint.
Can I try Network Information in my browser?
Yes. shwcs.net runs a live Network Information demo that probes your current browser and lets you try the API. Everything runs locally — nothing is sent anywhere.