The Historical Marker Database
Public history cast in metal, carved on stone, permanently marked.
Total Visits
Avg. Visit Duration
Pages per Visit
Bounce Rate
Registration Date
| Month | Traffic |
|---|---|
| 2025-02 | 388.9 |
| 2025-03 | 410.937 |
| 2025-04 | 444.771 |
| Source | Traffic Share |
|---|---|
| search | 67.16% |
| direct | 27.17% |
| referrals | 4.22% |
| social | 1.31% |
| 0.09% | |
| paid referrals | 0.04% |
| Region | Percentage |
|---|---|
| United States | 88.08% |
| Canada | 2.41% |
| United Kingdom | 0.95% |
| Germany | 0.75% |
| RU | 0.60% |
| Keyword | Traffic | Volume | CPC |
|---|---|---|---|
| hmdb | 1,052 | 10,520 | $2.71 |
| baltimore sea urchin | 4 | 40 | $0.00 |
| alabama theater | 627 | 6,270 | $0.51 |
| free historical market data base | 4 | 40 | $0.00 |
| octagon house brown road parma | 11 | 110 | $0.00 |