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Technology answer

Cloudflare Turnstile

550,526

companies run it, 1.0% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 1,099,277 live hosts run it, of 191,809,695 hosts in the index, 0.57%. 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

550,520 at Sept 26; 267,256 twelve months earlier, +283,264, +106.0% 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
2021-0100
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
2023-048,047952
2023-0512,6321,494
2023-0617,2172,036
2023-0721,8022,578
2023-0826,3873,121
2023-0930,9723,663
2023-1035,5574,205
2023-1140,1424,747
2023-1244,7275,289
2024-0149,3125,832
2024-0253,9106,375
2024-0362,8597,434
2024-0470,1878,300
2024-0569,4698,215
2024-0672,2338,542
2024-0774,9928,869
2024-0877,8469,206
2024-0981,9589,692
2024-1090,55910,710
2024-11101,25311,974
2024-12111,58313,196
2025-01126,47314,957
2025-02140,28516,590
2025-03154,08418,222
2025-04167,85919,851
2025-05182,31621,561
2025-06202,77023,980
2025-07223,32226,410
2025-08247,58329,279
2025-09267,25631,606
2025-10285,46333,759
2025-11299,18135,381
2025-12310,80836,756
2026-01323,25938,229
2026-02367,90243,508
2026-03446,62952,819
2026-04463,91954,863
2026-05479,23856,675
2026-06498,84058,993
2026-07514,13560,802
2026-08533,06563,041
2026-09550,52065,105

Both denominators, and a third

Shares of the same 550,526each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
1.0%
companies running anything in Authentication and Identity
2,209,246
24.9%
companies running anything in CAPTCHA and bot detection
589,118
93.4%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Cloudflare Turnstile is rank 1 of 4 technologies in CAPTCHA and bot detection.

Open as a segment

550,526 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-cloudflare-turnstile

Open the segment

Catalogue record

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

Cloudflare Turnstile provides a CAPTCHA‑style human verification widget for forms and logins.

From Cloudflare, Inc., Turnstile challenges or verifies users to block automated abuse without traditional CAPTCHA puzzles. Websites add it to sign‑in, checkout, and contact flows to reduce bot submissions.

Kindproduct
VendorCloudflare, cloudflare.com
Slugcloudflare-turnstile
Deploymentsaas
Pricingfreemium, quote based, enterprise
Open sourceno
First discovered2023-10-05
Last discovered2026-09-10
Taxonomy releasetax-2026.10