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Technology answer

Zxcvbn

51,016

companies run it, 0.09% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 85,241 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

51,016 at Sept 26; 57,047 twelve months earlier, -6,031, -10.6% 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
2021-0100
2021-0200
2021-0300
2021-0400
2021-0500
2021-0600
2021-0700
2021-0800
2021-0900
2021-1000
2021-1100
2021-1200
2022-0100
2022-0200
2022-0300
2022-0400
2022-0500
2022-0600
2022-0700
2022-0800
2022-0900
2022-1000
2022-1100
2022-1200
2023-0100
2023-0200
2023-0300
2023-0400
2023-0500
2023-0600
2023-0700
2023-0800
2023-0900
2023-1000
2023-1100
2023-1200
2024-0100
2024-0200
2024-0300
2024-0400
2024-0500
2024-0600
2024-0700
2024-08withheld0
2024-09883227
2024-104,7411,216
2024-119,5332,446
2024-1214,1823,639
2025-0119,3754,971
2025-0224,1546,197
2025-0328,9347,423
2025-0433,8338,680
2025-0538,5479,890
2025-0643,50011,160
2025-0748,38112,413
2025-0853,26113,665
2025-0957,04714,636
2025-1059,98415,389
2025-1159,92615,375
2025-1258,93415,120
2026-0158,10414,907
2026-0257,09414,648
2026-0356,57614,515
2026-0456,11414,397
2026-0555,42514,220
2026-0654,83914,069
2026-0753,77813,797
2026-0852,56813,487
2026-0951,01613,089

Both denominators, and a third

Shares of the same 51,016each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
0.09%
companies running anything in JavaScript Libraries
40,118,208
0.13%
companies running anything in General JavaScript utilities
18,294,596
0.28%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Zxcvbn is rank 36 of 87 technologies in General JavaScript utilities.

Open as a segment

51,016 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-zxcvbn

Open the segment

Catalogue record

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

Open-source password strength estimation library originally published by Dropbox.

zxcvbn is a library that estimates password strength and crack time from user input, with JavaScript and other implementations. Developers embed it in signup forms and authentication flows to guide users to stronger passwords.

Kindlibrary
VendorDropbox, dropbox.com
Slugzxcvbn
Deploymentself-hosted
Pricingfree
Open sourceyes
First discovered2025-02-03
Last discovered2026-09-10
Taxonomy releasetax-2026.10