⚡ Spam Protection in Indonesia

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

Indonesia is a Southeast Asian country with a population of over 279 million people.

According to our statistics, spam protection software is used on 10.3% of websites from Indonesia.

⭐ Most Popular in 2026

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

The most popular is Cloudflare Email Obfuscation with a substantial share of 57.9%, followed by reCAPTCHA with 36.4% and hCaptcha with 7.6%.

Cloudflare Email Obfuscation 57.9%
reCAPTCHA 36.4%
hCaptcha 7.6%
Cloudflare Turnstile 3.8%
Akismet 1.9%
CleanTalk 1.3%
Altcha 0.2%
GeeTest 0.03%
Tencent Captcha 0.03%
Yandex SmartCaptcha 0.03%
Friendly Captcha 0.03%
BitNinja 0.03%

🚀 Highlights

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

1. Cloudflare Email Obfuscation ^(-1)
7. Altcha ^(-2)
8. GeeTest ^(-2)
9. Tencent Captcha ^(-2)
12. BitNinja ^(-2)

✨ Best Spam Protection Software

Below is a more detailed list of 12 spam protection software solutions used on sites from Indonesia, ranked by their market share.

Rank	Name	Market share
1	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	57.9%
2	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	36.4%
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	7.6%
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$$$	3.8%
5	Akismet San Francisco, California, United States A comment spam filtering service originally developed for WordPress that can also be integrated with other CMS and forums. Free$14.95/month	1.9%
6	CleanTalk Carson City, Nevada, United States A cloud-based anti-spam protection service that protects websites from spambots. $12+/year	1.3%
7	Altcha Brno, Czech Republic An open-source, privacy-first, self-hosted captcha alternative that uses a proof-of-work mechanism to protect websites, APIs and online services from spam and unwanted content. FreeOpen source€24+/month	0.2%
8	GeeTest Wuhan, China A Chinese provider of CAPTCHA and bot management solutions. $$$	0.03%
9	Tencent Captcha Shenzhen, China Provides web and app developers with comprehensive human verification services through slider CAPTCHAs. Free tier$0.005+	0.03%
10	Yandex SmartCaptcha Moscow, Russia A captcha service from the Russian company Yandex. Free tier$0.80	0.03%
11	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	0.03%
12	BitNinja Debrecen, Hungary A server security suite with a centralized dashboard containing an AI-powered Linux malware scanner, IP reputation, WAF, and spam detection. Free$5+/month	0.03%

👉 See Also

🌎 Spam Protection in other countries

Data is based on the analysis of 33,096 websites from Indonesia.
Statistics were last calculated on March 30, 2026.
For details, see our methodology and disclaimer.