Companies, monthly, on the fixed panel of sites crawled since 2020of 54,527,857 in the indexlanding 12 Sept 2026
19,386 at Sept 26; 17,830 twelve months earlier, +1,556, +8.7% on the fixed panel; the series starts January 2021 because the panel is anchored at 31 Dec 2020
| Month | Companies | Observed on the panel |
|---|---|---|
| 2021-01 | 11,168 | 4,693 |
| 2021-02 | 11,169 | 4,694 |
| 2021-03 | 11,169 | 4,694 |
| 2021-04 | 11,169 | 4,694 |
| 2021-05 | 11,170 | 4,694 |
| 2021-06 | 11,170 | 4,694 |
| 2021-07 | 11,170 | 4,694 |
| 2021-08 | 11,183 | 4,700 |
| 2021-09 | 11,190 | 4,703 |
| 2021-10 | 11,197 | 4,706 |
| 2021-11 | 11,204 | 4,709 |
| 2021-12 | 11,213 | 4,712 |
| 2022-01 | 11,220 | 4,715 |
| 2022-02 | 11,227 | 4,718 |
| 2022-03 | 11,245 | 4,726 |
| 2022-04 | 11,258 | 4,731 |
| 2022-05 | 11,270 | 4,736 |
| 2022-06 | 11,284 | 4,742 |
| 2022-07 | 11,297 | 4,748 |
| 2022-08 | 11,310 | 4,753 |
| 2022-09 | 11,312 | 4,754 |
| 2022-10 | 11,319 | 4,757 |
| 2022-11 | 11,327 | 4,760 |
| 2022-12 | 11,333 | 4,763 |
| 2023-01 | 11,339 | 4,765 |
| 2023-02 | 11,346 | 4,768 |
| 2023-03 | 11,353 | 4,771 |
| 2023-04 | 11,858 | 4,983 |
| 2023-05 | 12,042 | 5,061 |
| 2023-06 | 12,227 | 5,138 |
| 2023-07 | 12,409 | 5,215 |
| 2023-08 | 12,593 | 5,292 |
| 2023-09 | 12,776 | 5,369 |
| 2023-10 | 12,958 | 5,446 |
| 2023-11 | 13,140 | 5,522 |
| 2023-12 | 13,323 | 5,599 |
| 2024-01 | 13,506 | 5,676 |
| 2024-02 | 13,689 | 5,753 |
| 2024-03 | 13,997 | 5,882 |
| 2024-04 | 14,250 | 5,989 |
| 2024-05 | 13,994 | 5,881 |
| 2024-06 | 14,068 | 5,912 |
| 2024-07 | 14,140 | 5,942 |
| 2024-08 | 14,217 | 5,975 |
| 2024-09 | 14,387 | 6,046 |
| 2024-10 | 14,645 | 6,155 |
| 2024-11 | 14,891 | 6,258 |
| 2024-12 | 15,110 | 6,350 |
| 2025-01 | 15,377 | 6,462 |
| 2025-02 | 15,614 | 6,562 |
| 2025-03 | 15,851 | 6,661 |
| 2025-04 | 16,035 | 6,739 |
| 2025-05 | 16,239 | 6,824 |
| 2025-06 | 16,549 | 6,955 |
| 2025-07 | 16,924 | 7,112 |
| 2025-08 | 17,553 | 7,377 |
| 2025-09 | 17,830 | 7,493 |
| 2025-10 | 18,011 | 7,569 |
| 2025-11 | 18,105 | 7,609 |
| 2025-12 | 18,209 | 7,652 |
| 2026-01 | 18,353 | 7,713 |
| 2026-02 | 18,690 | 7,855 |
| 2026-03 | 19,126 | 8,038 |
| 2026-04 | 19,319 | 8,119 |
| 2026-05 | 19,462 | 8,179 |
| 2026-06 | 19,679 | 8,270 |
| 2026-07 | 19,791 | 8,317 |
| 2026-08 | 19,818 | 8,329 |
| 2026-09 | 19,386 | 8,147 |
Shares of the same 19,387each row a different wholelanding 12 Sept 2026
Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Prebid is rank 2 of 6 technologies in Header bidding platforms.
Open as a segment
19,387 companies; add a country, a sector or a band on the segment page. Counting is free.
As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026
Open-source header bidding framework for publishers and ad tech.
Prebid is an open-source project providing JavaScript and server components to enable header bidding on publisher sites. It connects multiple demand partners and manages auctions to maximize ad yield.
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