Ethereum's gas fees can be a significant concern for users, especially during network congestion. Here are the best sites to monitor real-time gas prices and optimize your transaction costs:
Recommended Ethereum Gas Fee Trackers
1. Etherscan Ethereum Gas Tracker
👉 Etherscan's Gas Tracker remains the gold standard for checking Ethereum gas prices.
Key features:
- Real-time updates every 15 seconds
- 7-day heatmap showing peak congestion times
- Historical price movement graphs
- Tab-based price monitoring (shows price in browser tab)
Data provided by MetaMask
The heatmap uses color intensity to indicate peak fee periods, making it easy to identify optimal transaction times.
2. useWeb3 Ethereum Gas Tracker
This tracker offers unique perspectives on gas fees:
- Current price + 1-hour and 24-hour averages
- Transaction-type specific cost breakdowns
- Downloadable heatmap data (SVG/PNG/CSV)
- Precise browser tab monitoring (shows decimals)
👉 Compare all trackers side-by-side
The transaction cost breakdown reveals that simple ETH transfers consistently have the lowest fees.
3. MilkRoad Ethereum Gas Fees
For quick checks:
- Simplified interface for fast loading
- Color-coded "Expensive"/"Cheap" indicators
- Standard 7-day charts and heatmaps
4. Ethereum Gas Price Chart
For historical analysis:
- Long-term fee trend visualization
- Shows extreme historical price spikes
Note: Contains noticeable ads which may slow loading
Optimizing Your Ethereum Transactions
Best practices for gas savings:
- Avoid peak congestion times (shown in heatmaps)
- Consider transaction type (simple transfers cheapest)
- Monitor multiple trackers for consensus
FAQ: Ethereum Gas Fees
What time of day are Ethereum gas fees lowest?
Typically early morning UTC (3-6 AM), though always verify with current heatmaps.
How often do gas prices update?
Most trackers update every 15-60 seconds during normal network activity.
Can I set price alerts for gas fees?
Some wallets (like MetaMask) and third-party services offer alert functionality when fees drop below your threshold.
Why do transaction types have different costs?
Complex transactions (smart contract interactions) require more computational resources than simple ETH transfers.
How can I estimate fees before transacting?
All recommended trackers show current fee estimates, and wallets typically provide fee projections before confirmation.