Network Latency Monitor

Measure real-time round-trip latency to global CDN endpoints, chart jitter live, estimate download speed, and inspect Network Information API data — all in your browser. No server upload.

Connection Info Checking…

Type—

Effective type—

Downlink (est.)—

RTT (browser est.)—

Save-Data—

User agent—

Interval

Cloudflare DoH

1.1.1.1

—

Google DoH

dns.google

—

jsDelivr CDN

cdn.jsdelivr.net

—

Min

—

Avg

—

Max

—

Jitter

—

Loss

—

Download

—

Pings sent

Latency over time

Cloudflare Google jsDelivr

Measurement Log

#	Time	Endpoint	Latency	DNS	TCP+TLS	TTFB	Status

Start monitoring to collect measurements.