Technology answer

ARCaptcha

87

companies run it, <0.01% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 175 live hosts run it, of 191,809,695 hosts in the index, <0.01%. A host is a website, not a company.

Companies by month

No published series

87 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 4 of them. A monthly line drawn off that many observations would be noise at the same weight as a line off millions, so this page states the count and its date and publishes no series.

First discovered 12 Mar 2025, last discovered 9 Sept 2026.

Both denominators, and a third

Shares of the same 87each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in WAF and Bot Management

11,966,860

<0.01%

companies running anything in CAPTCHA services

190,327

0.05%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, ARCaptcha is rank 8 of 13 technologies in CAPTCHA services.

Open as a segment

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

/companies/tech-arcaptcha

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 9 Sept 2026

A CAPTCHA service for protecting forms from automated abuse.

ARCaptcha provides CAPTCHA challenges and verification to block bots on websites and apps. It is offered as a hosted service at arcaptcha.co and is used by sites to reduce spam and automated signups.

Kindproduct

VendorARCaptcha, arcaptcha.co

PathSecurity and Identity > WAF and Bot Management > CAPTCHA services

Slugarcaptcha

Deploymentsaas

Pricingfreemium, subscription

Open sourceno

First discovered2025-03-12

Last discovered2026-09-09

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerCAPTCHA servicesCompanies running anything in CAPTCHA services, 190,327 of 54,527,857 in the index, and the technologies ranked in it.Category answerWAF and Bot ManagementThe category above this one, with its subcategories and the companies in each.CatalogueAll 8,177 technologiesRanked by the companies running them, with the publication gate named and the long tail drawn.