Captchas Usage Statistics and Market Share in São Tomé and Príncipe (.st)

We are tracking usage statistics and market share for 15 web technologies in the Captchas market in São Tomé and Príncipe (.st). As of March 2026, the most popular web technology in Captchas in São Tomé and Príncipe (.st) is reCAPTCHA, with 50% market share. In second place is HSTS, with 20%. After that, Cloudflare Bot Management holds 17%, followed by Imperva with 2% and Akamai Bot Manager with 2%. Top 5 web technologies together account for 92% of the market. The remaining 10 web technologies in Captchas collectively have a 8% market share. Global Captchas market share report is available here.

Last updated: 8 March 2026

Captchas Market Share in São Tomé and Príncipe (.st) in March 2026

About Captchas

A CAPTCHA is a type of challenge–response test used to determine whether or not the user is human.

We are tracking 15 different technologies in Captchas.

There are 206 websites using Captchas in São Tomé and Príncipe (.st websites) in out database.

Captchas Usage Statistics and Market Share in São Tomé and Príncipe (.st) in March 2026

#1 reCAPTCHA 50.49%

reCAPTCHA is a CAPTCHA-like system designed to establish that a computer user is human and, at the same time, assist in the digitization of books or improve machine learning.

#2 HSTS 19.90%

HSTS is a web security feature that tells browsers to always access a site using HTTPS, enhancing security. Captchas are puzzles used to differentiate between humans and bots, often displayed on websites to prevent automated abuse. Both are crucial for online security.

#3 Cloudflare Bot Management 17.48%

Cloudflare Bot Management is a solution designed to automatically detect and block malicious bots, suspicious activity, and automated attacks. It uses AI and machine learning to analyze web traffic, identifying legitimate human users and distinguishing them from bots or spam.

#4 Imperva 1.94%

Imperva is a cybersecurity company that provides protection against automated threats, including CAPTCHAs, to help websites and applications secure user interactions and prevent bot attacks. Imperva offers various security solutions to enhance online safety and protect against malicious activities.

#5 Akamai Bot Manager 1.94%

Akamai Bot Manager is a security solution that uses advanced machine learning and behavioral analysis to detect and mitigate automated bots. It helps protect websites and applications from unauthorized access, spam, and other malicious activities by implementing challenges such as CAPTCHAs when necessary.

#6 Cloudflare Turnstile 1.46%

Cloudflare Turnstile is a user-friendly reCAPTCHA alternative that helps websites protect against bots and automated attacks while providing a seamless user experience. It uses behavioral analysis to distinguish between human users and bots in real-time. Cloudflare Turnstile is easy to implement, invisible to genuine users, and offers flexible configuration options. It enhances website security without compromising on usability.

#7 Basic 1.46%

Basic is a simple authentication mechanism for web applications, typically involving a client submitting a username and password for verification by a server. However, it is inherently insecure and often replaced by more robust methods such as OAuth or two-factor authentication.

#8 Sift 0.97%

Sift is a platform that uses advanced analytics and machine learning to detect and prevent fraud in real-time, providing businesses with actionable insights to secure their transactions and protect their customers. Sift leverages large-scale data processing, behavioral analysis, and contextual data to identify potential fraudulent activities and mitigate risks.

#9 Sucuri 0.97%

Sucuri is a security and optimization service for websites, offering CDN capabilities to enhance speed and protection. It helps protect websites from malware and vulnerabilities while improving performance. Sucuri CDN ensures faster load times and enhanced security.

#10 hCaptcha 0.97%

hCaptcha is a user-friendly and privacy-focused captcha solution that uses human intelligence tests to verify users while protecting their data. It offers a seamless experience for users and helps websites prevent spam and bot activities without compromising on user privacy. hCaptcha is designed to be accessible and easy to use for all users, including those with disabilities.

#11 DDoS-Guard 0.49%

DDoS-Guard is a service that uses captchas to protect websites from DDoS attacks by distinguishing between human users and automated bots. The service aims to minimize legitimate user disruption while effectively filtering out malicious traffic. Imagine a digital gatekeeper that asks for a quick puzzle to verify human intent.

#12 Datadome 0.49%

Datadome is a security solution that automatically solves captchas and protects websites from automated attacks. It's designed to ensure user experience while maintaining website security. Datadome uses advanced algorithms and machine learning to detect and block malicious traffic, including bots and scrapers. By integrating Datadome, website owners can enhance their site's security without compromising usability.

#13 PerimeterX 0.49%

PerimeterX is a cybersecurity company that specializes in automated threat prevention, using AI and machine learning to automatically detect and block malicious bots and automated attacks in real-time, including the use of captchas as part of its defense mechanisms.

#14 Akamai Web Application Protector 0.49%

Akamai Web Application Protector is a security solution that defends websites and web applications against various attacks by using advanced threat intelligence, machine learning, and web application firewall (WAF) technology to filter out malicious traffic and protect against common web application vulnerabilities.

#15 CleanTalk 0.49%

CleanTalk is a service that automatically detects and blocks spam comments and bots by analyzing the comments in real-time and displaying a captcha only to suspicious users, making it easier for legitimate users to leave comments without any hassle. CleanTalk helps websites reduce spam and improve user experience.