Technology answer
18,654,081
companies run it, 34.2% of 54,527,857 in the index. Landing 12 Sept 2026.
Hosts: 47,838,116 live hosts run it, of 191,809,695 hosts in the index, 24.9%. A host is a website, not a company. This is a web standard: it is present on the host and does not count towards a stack.
Companies, monthly, on the fixed panel of sites crawled since 2020of 54,527,857 in the indexlanding 12 Sept 2026
18,653,788 at Sept 26; 18,439,694 twelve months earlier, +214,094, +1.2% 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 | 0 | 0 |
| 2021-02 | 0 | 0 |
| 2021-03 | 0 | 0 |
| 2021-04 | 0 | 0 |
| 2021-05 | 0 | 0 |
| 2021-06 | 0 | 0 |
| 2021-07 | 0 | 0 |
| 2021-08 | 0 | 0 |
| 2021-09 | 0 | 0 |
| 2021-10 | 0 | 0 |
| 2021-11 | 0 | 0 |
| 2021-12 | 0 | 0 |
| 2022-01 | 0 | 0 |
| 2022-02 | 0 | 0 |
| 2022-03 | 0 | 0 |
| 2022-04 | 0 | 0 |
| 2022-05 | 0 | 0 |
| 2022-06 | 0 | 0 |
| 2022-07 | 0 | 0 |
| 2022-08 | 0 | 0 |
| 2022-09 | 0 | 0 |
| 2022-10 | 0 | 0 |
| 2022-11 | 0 | 0 |
| 2022-12 | 0 | 0 |
| 2023-01 | 0 | 0 |
| 2023-02 | 0 | 0 |
| 2023-03 | 0 | 0 |
| 2023-04 | 632,144 | 82,015 |
| 2023-05 | 1,206,637 | 156,550 |
| 2023-06 | 1,781,131 | 231,086 |
| 2023-07 | 2,355,624 | 305,621 |
| 2023-08 | 2,930,118 | 380,157 |
| 2023-09 | 3,504,611 | 454,692 |
| 2023-10 | 4,079,105 | 529,227 |
| 2023-11 | 4,653,598 | 603,763 |
| 2023-12 | 5,228,092 | 678,298 |
| 2024-01 | 5,802,585 | 752,833 |
| 2024-02 | 6,377,526 | 827,427 |
| 2024-03 | 7,284,382 | 945,083 |
| 2024-04 | 8,176,497 | 1,060,827 |
| 2024-05 | 8,436,469 | 1,094,556 |
| 2024-06 | 8,758,025 | 1,136,275 |
| 2024-07 | 9,079,368 | 1,177,967 |
| 2024-08 | 9,417,387 | 1,221,822 |
| 2024-09 | 9,995,390 | 1,296,812 |
| 2024-10 | 10,782,188 | 1,398,892 |
| 2024-11 | 11,650,381 | 1,511,533 |
| 2024-12 | 12,510,657 | 1,623,146 |
| 2025-01 | 13,422,641 | 1,741,468 |
| 2025-02 | 14,302,427 | 1,855,612 |
| 2025-03 | 15,181,767 | 1,969,698 |
| 2025-04 | 15,752,485 | 2,043,744 |
| 2025-05 | 16,289,053 | 2,113,359 |
| 2025-06 | 16,859,392 | 2,187,355 |
| 2025-07 | 17,411,783 | 2,259,023 |
| 2025-08 | 17,970,476 | 2,331,508 |
| 2025-09 | 18,439,694 | 2,392,385 |
| 2025-10 | 18,668,498 | 2,422,070 |
| 2025-11 | 18,688,509 | 2,424,667 |
| 2025-12 | 18,627,122 | 2,416,702 |
| 2026-01 | 18,579,038 | 2,410,464 |
| 2026-02 | 18,633,528 | 2,417,533 |
| 2026-03 | 18,770,310 | 2,435,280 |
| 2026-04 | 18,759,032 | 2,433,816 |
| 2026-05 | 18,718,176 | 2,428,516 |
| 2026-06 | 18,732,704 | 2,430,401 |
| 2026-07 | 18,701,682 | 2,426,376 |
| 2026-08 | 18,685,675 | 2,424,299 |
| 2026-09 | 18,653,788 | 2,420,162 |
Shares of the same 18,654,081each 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, HSTS is rank 1 of 3 technologies in TLS libraries and stacks.
Open as a segment
18,654,081 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
An HTTP security policy that tells browsers to only use HTTPS for a site.
HTTP Strict Transport Security (HSTS) is an IETF standard that instructs browsers to enforce HTTPS and reject HTTP for a domain. Site operators enable it via the Strict-Transport-Security header to harden TLS usage.
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