⚡ Spam Protection in Japan

Anti-spam software is a variety of tools that protect websites from automated bots and malicious content.

Japan is an East Asian country with a population of around 125 million people.

According to our statistics, spam protection software is used on 8.9% of websites from Japan.

⭐ Most Popular in 2026

The following chart shows the top spam protection software in Japan in 2026, based on market share.

The most popular is reCAPTCHA, which dominates the market with an overwhelming 90% share.
It is followed by hCaptcha with 4.3% and Cloudflare Email Obfuscation with 4.2%.

reCAPTCHA 90%
hCaptcha 4.3%
Cloudflare Email Obfuscation 4.2%
Cloudflare Turnstile 3.7%
Akismet 2%
CleanTalk 0.3%
GeeTest 0.03%
Friendly Captcha 0.02%
Altcha 0.007%
Yidun Captcha 0.007%

🚀 Highlights

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

2. hCaptcha ^(-1)
7. GeeTest ^(-3)
10. Yidun Captcha ^(-3)

✨ Best Spam Protection Software

Below is a more detailed list of 10 spam protection software solutions used on sites from Japan, 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	90%
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	4.3%
3	Cloudflare Email Obfuscation San Francisco, California, United States Cloudflare Email Address Obfuscation hides email addresses on web pages from bots by encrypting them. Free$25+/month	4.2%
4	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$$$	3.7%
5	Akismet San Francisco, California, United States A comment spam filtering service originally developed for WordPress that can also be integrated with other CMS and forums. Free$14.95/month	2%
6	CleanTalk Carson City, Nevada, United States A cloud-based anti-spam protection service that protects websites from spambots. $12+/year	0.3%
7	GeeTest Wuhan, China A Chinese provider of CAPTCHA and bot management solutions. $$$	0.03%
8	Friendly Captcha Woerthsee, Germany A European captcha service that protects websites from bots and automated abuse while prioritizing user privacy, security, and accessibility. Free€9+/month	0.02%
9	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€24+/month	0.007%
10	Yidun Captcha Hangzhou, China A captcha service provided by the Chinese company NetEase.	0.007%

👉 See Also

🌎 Spam Protection in other countries

Data is based on the analysis of 157,427 websites from Japan.
Statistics were last calculated on March 30, 2026.
For details, see our methodology and disclaimer.