⚡ 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 9.1% of websites from Japan.

Statistics based on 170K+ 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 89.2% share.
It is followed by Cloudflare Turnstile with 4.8% and hCaptcha with 4.8%.

reCAPTCHA 89.2%
Cloudflare Turnstile 4.8%
hCaptcha 4.8%
Cloudflare Email Obfuscation 4.1%
Akismet 1.9%
CleanTalk 0.3%
GeeTest 0.03%
Friendly Captcha 0.02%
Altcha 0.006%
Yidun Captcha 0.006%

🚀 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)
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	89.2%
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$$$	4.8%
3	hCaptcha San Francisco, California, United States A security service for detecting and preventing human and automated abuse on websites and applications, often used as a drop-in alternative to reCAPTCHA. Free$99+/month	4.8%
4	Cloudflare Email Obfuscation San Francisco, California, United States Cloudflare Email Address Obfuscation hides email addresses on web pages from bots by encrypting them. Free$25+/month	4.1%
5	Akismet San Francisco, California, United States A comment spam filtering service originally developed for WordPress that can also be integrated with other CMS and forums. Free$14.95/month	1.9%
6	CleanTalk Carson City, Nevada, United States A cloud-based anti-spam protection service that protects websites from spambots. $12+/year	0.3%
7	GeeTest Wuhan, China A Chinese provider of CAPTCHA and bot management solutions. $$$	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€99+/month	0.006%
10	Yidun Captcha Hangzhou, China A captcha service provided by the Chinese company NetEase.	0.006%

👉 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 170,082 websites from Japan.
We currently track the presence of 17 spam protection software solutions across the web.
Of these, 10 were detected on websites from Japan.
Statistics were last calculated on May 14, 2026.
For more details, see our methodology and disclaimer.