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 | Researchgate Ads reaching academic researchers and scientists | — | 5 | Contact | en | 218 | Science |
| 2 | — | 5 | Contact | en | 1,271 | Education | |
| 3 | — | 5 | ContactAuction | en | 25,222 | Student Recruitment | |
| 4 | — | — | — | en | 28,239 | Education | |
| 5 | — | 1 | Contact | en | 30,833 | Education | |
| 6 | — | — | — | ja | 46,980 | Lifestyle | |
| 7 | — | — | — | en | 53,567 | Gaming | |
| 8 | — | 9 | Contact | en | 64,290 | Banking & Finance | |
| 9 | — | — | — | — | 73,149 | Technology | |
| 10 | — | — | — | en | 75,100 | Health | |
| 11 | — | — | — | en | 85,838 | Sports | |
| 12 | — | 5 | Contact | en | 94,703 | Business |