⚡ Captcha Services in Tanzania

CAPTCHA, which stands for Completely Automated Public Turing test to tell Computers and Humans Apart, is a security technology used to verify whether a user is a human or a bot by presenting challenges that are easy to solve for people but difficult for automated systems.

Tanzania is an East African country with a population of over 67 million people.

According to our research, captcha services are used on 11.9% of websites from Tanzania.

Statistics based on 932 analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top captcha services in Tanzania in 2026, based on market share.

The most popular is reCAPTCHA, which dominates the market with an overwhelming 77.5% share.
It is followed by hCaptcha with 19.8% and Cloudflare Turnstile with 19.8%.

reCAPTCHA 77.5%
hCaptcha 19.8%
Cloudflare Turnstile 19.8%
Altcha 0.9%

🚀 Highlights

Here is a list of the top services that are more popular in Tanzania than worldwide.
Differences between global and country rankings are shown in parentheses.

4. Altcha ^(-2)

✨ Best Captcha Services

Below is a more detailed list of 4 captcha services used on sites from Tanzania, ranked by their market share.

Rank	Name	Market share
1	reCAPTCHA Mountain View, California, United States A Google service that protects websites from spam, fraud, and automated abuse by distinguishing human users from bots. Free tier$8+/month	77.5%
2	hCaptcha San Francisco, California, United States A security service for detecting and preventing human and automated abuse on websites and applications, often used as a drop-in alternative to reCAPTCHA. Free$99+/month	19.8%
3	Cloudflare Turnstile San Francisco, California, United States A user-friendly CAPTCHA alternative that verifies human visitors without requiring them to solve interactive puzzles or identify objects. Free$$$	19.8%
4	Altcha Brno, Czech Republic An open-source, privacy-first, self-hosted captcha alternative that uses a proof-of-work mechanism to protect websites, APIs, and online services from spam and unwanted content. FreeOpen source€99+/month	0.9%

👉 See Also

🌎 Captchas in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 932 websites from Tanzania.
We currently track the presence of 14 captcha services across the web.
Of these, 4 were detected on websites from Tanzania.
Statistics were last calculated on September 18, 2026.
For more details, see our methodology and disclaimer.