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Really Simple CAPTCHA

239

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

Hosts: 393 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

239 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 42 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 5 Oct 2023, last discovered 10 Sept 2026.

Both denominators, and a third

Shares of the same 239each 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 Bot management platforms
11,553,429
<0.01%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Really Simple CAPTCHA is rank 13 of 19 technologies in Bot management platforms.

Open as a segment

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

/companies/tech-really-simple-captcha

Open the segment

Catalogue record

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

A WordPress CAPTCHA plugin by Takayuki Miyoshi to block automated form submissions.

Really Simple CAPTCHA adds a simple challenge-response test to WordPress forms to deter bots. It is commonly used alongside Contact Form 7 and other form plugins.

Kindextension
VendorTakayuki Miyoshi, contactform7.com
PathSecurity and Identity > WAF and Bot Management > Bot management platforms
Slugreally-simple-captcha
Deploymentself-hosted
Pricingfree
Open sourceyes
First discovered2023-10-05
Last discovered2026-09-10
Taxonomy releasetax-2026.10