⚡ 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 11.1% of websites from Japan.

Statistics based on 201K+ analyzed websites. About this data

⭐ 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 80.5% share.
It is followed by Cloudflare Turnstile with 12.7% and hCaptcha with 11.4%.

reCAPTCHA 80.5%
Cloudflare Turnstile 12.7%
hCaptcha 11.4%
Cloudflare Email Obfuscation 4.4%
Akismet 1.6%
CleanTalk 0.2%
GeeTest 0.02%
Altcha 0.01%
Yidun Captcha 0.009%
Friendly Captcha 0.004%

🚀 Highlights

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

2. Cloudflare Turnstile ^(-2)
7. GeeTest ^(-3)
8. Altcha ^(-1)
9. Yidun Captcha ^(-4)

✨ 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	80.5%
2	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$$$	12.7%
3	hCaptcha San Francisco, California, United States A security service for detecting and preventing human and automated abuse on websites and applications, often used as a drop-in alternative to reCAPTCHA. Free$99+/month	11.4%
4	Cloudflare Email Obfuscation San Francisco, California, United States A Cloudflare Scrape Shield security feature that encrypts email addresses in HTML to hide them from harvesting bots and keep them visible and clickable for human visitors. Free$25+/month	4.4%
5	Akismet San Francisco, California, United States A comment spam filtering service originally developed for WordPress that can also be integrated with other CMS and forums. Free$14.95/month	1.6%
6	CleanTalk Carson City, Nevada, United States A cloud-based anti-spam service that protects websites from automated spam in online forms, comments, and registrations. $12+/year	0.2%
7	GeeTest Wuhan, China A Chinese bot management and CAPTCHA platform that uses behavioral analysis, machine learning, and device fingerprinting to distinguish human users from automated traffic. $$$	0.02%
8	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	0.01%
9	Yidun Captcha Hangzhou, China A captcha service provided by the Chinese company NetEase.	0.009%
10	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	0.004%

👉 See Also

🌎 Spam Protection 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 201,262 websites from Japan.
We currently track the presence of 18 spam protection software solutions across the web.
Of these, 10 were detected on websites from Japan.
Statistics were last calculated on September 27, 2026.
For more details, see our methodology and disclaimer.