Technology answer
24,120
companies run it, 0.04% of 54,527,857 in the index. Landing 12 Sept 2026.
Hosts: 50,126 live hosts run it, of 191,809,695 hosts in the index, 0.03%. 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
24,120 at Sept 26; 25,615 twelve months earlier, -1,495, -5.8% 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 | 1,099 | 46 |
| 2023-05 | 1,909 | 79 |
| 2023-06 | 2,719 | 113 |
| 2023-07 | 3,528 | 146 |
| 2023-08 | 4,338 | 180 |
| 2023-09 | 5,148 | 213 |
| 2023-10 | 5,957 | 247 |
| 2023-11 | 6,767 | 280 |
| 2023-12 | 7,576 | 314 |
| 2024-01 | 8,386 | 347 |
| 2024-02 | 9,199 | 381 |
| 2024-03 | 10,167 | 421 |
| 2024-04 | 11,107 | 460 |
| 2024-05 | 10,947 | 453 |
| 2024-06 | 11,081 | 459 |
| 2024-07 | 11,214 | 465 |
| 2024-08 | 11,354 | 470 |
| 2024-09 | 11,970 | 496 |
| 2024-10 | 12,973 | 537 |
| 2024-11 | 14,111 | 585 |
| 2024-12 | 15,216 | 630 |
| 2025-01 | 16,529 | 685 |
| 2025-02 | 17,775 | 736 |
| 2025-03 | 19,017 | 788 |
| 2025-04 | 20,154 | 835 |
| 2025-05 | 21,251 | 880 |
| 2025-06 | 22,445 | 930 |
| 2025-07 | 23,610 | 978 |
| 2025-08 | 24,770 | 1,026 |
| 2025-09 | 25,615 | 1,061 |
| 2025-10 | 25,981 | 1,076 |
| 2025-11 | 25,961 | 1,075 |
| 2025-12 | 25,805 | 1,069 |
| 2026-01 | 25,688 | 1,064 |
| 2026-02 | 25,545 | 1,058 |
| 2026-03 | 25,530 | 1,058 |
| 2026-04 | 25,430 | 1,053 |
| 2026-05 | 25,256 | 1,046 |
| 2026-06 | 25,133 | 1,041 |
| 2026-07 | 24,843 | 1,029 |
| 2026-08 | 24,524 | 1,016 |
| 2026-09 | 24,120 | 999 |
Shares of the same 24,120each 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, Intersection Observer is rank 7 of 10 technologies in Web application and scripting standards.
Open as a segment
24,120 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
Web API standard for observing element visibility changes within a viewport or ancestor.
Intersection Observer is a W3C web API that lets scripts asynchronously detect when elements enter or exit an ancestor or viewport. Developers use it for lazy loading, analytics, and triggering animations based on visibility.
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