Ranked by Tranco traffic rank, so the lower the number, the more visited the site. Buying tells you whether the spots are bid for or bought at a set rate, and language is the one the site publishes in.
| # | Publisher | Pricing | Spots | Buying | Language | Traffic | Categories |
|---|---|---|---|---|---|---|---|
| 1 | Time Breaking news and analysis | — | 8 | Contact | en | 552 | News |
| 2 | — | 4 | Contact | en | 590 | Technology | |
| 3 | — | 1 | Contact | en | 953 | Science | |
| 4 | — | 5 | Contact | en | 1,165 | Patient & Consumer Health | |
| 5 | — | 1 | Contact | en | 1,870 | Science | |
| 6 | — | 9 | Contact | en | 2,685 | Science | |
| 7 | — | 4 | ContactAuction | en | 4,787 | Science | |
| 8 | — | 3 | Contact | en | 11,095 | Science | |
| 9 | — | 10 | Contact | en | 17,105 | Science | |
| 10 | — | — | — | en | 19,732 | Science | |
| 11 | — | 1 | Contact | en | 24,244 | Science | |
| 12 | — | — | — | en | 51,956 | Lifestyle | |
| 13 | — | 6 | Contact | en | 186,411 | Lifestyle |