arc-pulse

Height (max across providers)–

Avg block time, s (last 50)–

Finalized lag, blocks–

Gas price, gwei–

Simple transfer cost, USDC–

tx / block · tx / s (last 50)–

Ping confirm latency, ms (median, measured)–

Ping fee, USDC (last, from receipt)–

RPC providers

Provider	Status	Height	Finalized	chainId	Latency

On-chain pings

#	Block	Block time (UTC)	Prev ping latency	Fee, USDC	Tx

Everything is read from public Arc RPCs directly in your browser — no backend. A server-side pinger sends one small transaction every 10 minutes to the Pinger contract; each ping records the confirmation latency of the previous one on-chain, and its fee is read from the transaction receipt. Source: github.com/eaxgtfcs-glitch/arc-pulse.