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Technology answer

Knockout.js

29,038

companies run it, 0.05% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 80,067 live hosts run it, of 191,809,695 hosts in the index, 0.04%. A host is a website, not a company.

Companies by month

Companies, monthly, on the fixed panel of sites crawled since 2020of 54,527,857 in the indexlanding 12 Sept 2026

29,036 at Sept 26; 29,946 twelve months earlier, -910, -3.0% on the fixed panel; the series starts January 2021 because the panel is anchored at 31 Dec 2020

The 69 numbers in this chart
MonthCompaniesObserved on the panel
2021-0114,8494,546
2021-0214,8494,546
2021-0314,8494,546
2021-0414,8494,546
2021-0514,8494,546
2021-0614,8494,546
2021-0714,8494,546
2021-0814,8494,546
2021-0914,8494,546
2021-1014,8494,546
2021-1114,8494,546
2021-1214,8494,546
2022-0114,8494,546
2022-0214,8494,546
2022-0314,8494,546
2022-0414,8494,546
2022-0514,8494,546
2022-0614,8494,546
2022-0714,8494,546
2022-0814,8494,546
2022-0914,8494,546
2022-1014,8494,546
2022-1114,8494,546
2022-1214,8494,546
2023-0114,8494,546
2023-0214,8494,546
2023-0314,8494,546
2023-0415,1844,649
2023-0515,3144,688
2023-0615,4444,728
2023-0715,5734,768
2023-0815,7034,807
2023-0915,8334,847
2023-1015,9624,887
2023-1116,0924,927
2023-1216,2214,966
2024-0116,3515,006
2024-0216,4825,046
2024-0316,8495,158
2024-0417,1735,257
2024-0517,1635,254
2024-0617,3635,316
2024-0717,5625,377
2024-0817,7705,440
2024-0918,0945,539
2024-1019,1055,849
2024-1120,1776,177
2024-1221,2186,496
2025-0122,4176,863
2025-0223,5467,209
2025-0324,6747,554
2025-0425,5867,833
2025-0526,5018,113
2025-0627,4488,403
2025-0728,3438,677
2025-0829,2388,951
2025-0929,9469,168
2025-1030,5389,349
2025-1130,4439,320
2025-1230,2889,273
2026-0130,1719,237
2026-0230,0119,188
2026-0329,9859,180
2026-0429,8839,149
2026-0529,7399,105
2026-0629,6169,067
2026-0729,4209,007
2026-0829,2518,955
2026-0929,0368,889

Both denominators, and a third

Shares of the same 29,038each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
0.05%
companies running anything in JavaScript Frameworks
13,886,915
0.21%
companies running anything in MV* JavaScript frameworks
357,949
8.1%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Knockout.js is rank 2 of 4 technologies in MV* JavaScript frameworks.

Open as a segment

29,038 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-knockout-js

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026

An open‑source JavaScript MVVM library for data‑binding and UI updates.

Knockout.js is a client‑side library that provides declarative bindings and observables to build dynamic UIs in the browser. It is open source and used by developers to structure front‑end applications.

Kindlibrary
VendorKnockout.js, knockoutjs.com
Slugknockout-js
Deploymentself-hosted
Pricingfree
Open sourceyes
First discovered2019-10-04
Last discovered2026-09-10
Taxonomy releasetax-2026.10